{"id":20265,"date":"2026-03-16T08:00:54","date_gmt":"2026-03-16T08:00:54","guid":{"rendered":"https:\/\/www.enertechsolution.it\/inverters-for-electric-motors-what-they-are-and-how-they-work\/"},"modified":"2026-09-24T15:34:46","modified_gmt":"2026-09-24T15:34:46","slug":"inverters-for-electric-motors-what-they-are-and-how-they-work","status":"publish","type":"post","link":"https:\/\/www.enertechsolution.it\/en\/inverters-for-electric-motors-what-they-are-and-how-they-work\/","title":{"rendered":"Inverters for Electric Motors: What They Are and How They Work"},"content":{"rendered":"[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; 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column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2>Key Points<\/h2>\n[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"icon-salient-check\" data-animation=\"false\" data-animation-delay=\"0\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>electric motors<\/b><span style=\"font-weight: 400;\"> account for up to <\/span><b>74%<\/b><span style=\"font-weight: 400;\"> of <\/span><b>industrial energy consumption<\/b><span style=\"font-weight: 400;\">: optimizing them is a priority.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>An inverter<\/b> <b>regulates<\/b><span style=\"font-weight: 400;\"> the <\/span><b>speed<\/b><span style=\"font-weight: 400;\"> of the electric motor <\/span><b>by varying the frequency<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>Traditional systems<\/b> <b>dissipate energy<\/b><span style=\"font-weight: 400;\">, whereas <\/span><b>the inverter<\/b><span style=\"font-weight: 400;\"> uses it efficiently.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The<\/span><b>efficiency of inverters<\/b><span style=\"font-weight: 400;\"> can reach up to <\/span><b>95%<\/b><span style=\"font-weight: 400;\">, resulting in tangible and measurable savings.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">The <b>payback<\/b> period can be less than one year.<\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>electric motors<\/b><span style=\"font-weight: 400;\">  They are among the most widely used machines in the industrial sector. According to estimates   <\/span><b>ENEA<\/b><span style=\"font-weight: 400;\"> approximately <\/span><b>74%<\/b><span style=\"font-weight: 400;\"> of<\/span><b>electricity<\/b><span style=\"font-weight: 400;\"> consumed in the <\/span><b>Italian industrial sector<\/b><span style=\"font-weight: 400;\"> is attributable to <\/span><b>motor systems<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">According to the<\/span><b>IEA<\/b><span style=\"font-weight: 400;\"> , on the other hand, nearly <\/span><b>50%<\/b><span style=\"font-weight: 400;\"> of<\/span><b>world\u2019s electricity<\/b><span style=\"font-weight: 400;\"> is consumed by <\/span><b>electric motors <\/b><span style=\"font-weight: 400;\">, with percentages reaching as high as <\/span><b>70%<\/b><span style=\"font-weight: 400;\"> in some <\/span><b>sectors<\/b><span style=\"font-weight: 400;\">. I  <\/span><b>electric motors<\/b><span style=\"font-weight: 400;\"> are, in fact, essential for powering:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>compressors<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>fans<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>pumps<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">other <\/span><b>rotary machinery<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Even in <\/span><b>the civil sector<\/b><span style=\"font-weight: 400;\"> there is a significant presence of <\/span><b>electric motors<\/b><span style=\"font-weight: 400;\"> as they are indispensable for <\/span><b>water distribution<\/b><span style=\"font-weight: 400;\"> and <\/span><b>heating systems<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2>Table of Contents<\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<ul>\n<li><a href=\"#1\">What determines the rotational speed of an electric motor?<\/a><\/li>\n<li><a href=\"#2\">How Does an Inverter for Electric Motors Work, and What Is It Used For?<\/a>\n<ul>\n<li><a href=\"#3\">The Limitations of Traditional Electric Motor Systems<\/a><\/li>\n<li><a href=\"#4\">The Role of the Inverter in Preventing Energy Waste<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#5\">Efficiency classes for electric motors according to IEC standards<\/a><\/li>\n<li><a href=\"#6\">Energy Savings with Inverters: Data and Application Examples<\/a><\/li>\n<li><a href=\"#7\">Induction Motors and Speed Control with Inverters<\/a><\/li>\n<li><a href=\"#8\">Industrial Applications of Inverters<\/a><\/li>\n<li><a href=\"#9\">Types of Inverters for Industrial Applications<\/a><\/li>\n<li><a href=\"#10\">Differences Between Variable-Frequency and Constant-Frequency Inverters: Inverters for Photovoltaic Systems<\/a><\/li>\n<li><a href=\"#11\">Frequently Asked Questions About Inverters<\/a>\n<ul>\n<li><a href=\"#11\">Why does an inverter help you save money?<\/a><\/li>\n<li><a href=\"#11\">Do inverters require special maintenance?<\/a><\/li>\n<li><a href=\"#11\">For which systems is it most cost-effective to install an inverter?<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#12\">Inverters as a Strategic Tool for Energy Efficiency<\/a><\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;1&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>What determines the rotational speed of an electric motor?<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The  <\/span><b>rotational speed<\/b><span style=\"font-weight: 400;\">  of a  <\/span><b>electric motor<\/b><span style=\"font-weight: 400;\">  is determined by the  <\/span><b>number of poles<\/b><span style=\"font-weight: 400;\">  and from the  <\/span><b>voltage frequency<\/b><span style=\"font-weight: 400;\">  by  <\/span><b>power supply<\/b><span style=\"font-weight: 400;\">; since the  <\/span><b>network frequency<\/b><span style=\"font-weight: 400;\">  a fixed parameter (<\/span><b>50 Hz<\/b><span style=\"font-weight: 400;\">  (for Italy), electric motors typically operate at  <\/span><b>constant speed<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;17975&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;2&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>How Does an Inverter for Electric Motors Work, and What Is It Used For?<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">An<\/span> <b>inverter<\/b> <b>for an electric motor<\/b> <span style=\"font-weight: 400;\">allows you to<\/span> <b>vary the frequency<\/b> <span style=\"font-weight: 400;\">and therefore the<\/span> <b>rotation speed<\/b> <span style=\"font-weight: 400;\">.<\/span> An <b>inverter motor<\/b> is more <b>efficient<\/b> than a <b>traditional motor<\/b> because it drastically changes the <b>regulation principle.<\/b>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;3&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>The Limitations of Traditional Electric Motor Systems<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">In a <\/span><b>traditional electric motor<\/b><span style=\"font-weight: 400;\"> we have a <\/span><b>control<\/b><span style=\"font-weight: 400;\"> using <\/span><b>dissipative<\/b><span style=\"font-weight: 400;\"> (throttling valves, dampers, and the like); therefore, a certain amount of <\/span><b>energy to the fluid<\/b><span style=\"font-weight: 400;\"> than is necessary, which is then <\/span><b>dissipated<\/b><span style=\"font-weight: 400;\">\u2014and thus <\/span><b>wasted.<\/b>[\/vc_column_text][vc_row_inner equal_height=&#8221;yes&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221; el_id=&#8221;4&#8243;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>The Role of the Inverter in Preventing Energy Waste<\/strong><\/h3>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">To achieve the optimal point <\/span><span style=\"font-weight: 400;\">and avoid wasting energy,<\/span> <span style=\"font-weight: 400;\">by<\/span><span style=\"font-weight: 400;\">the use of an <\/span><b>inverter<\/b><span style=\"font-weight: 400;\"> , <\/span><b>modulate the speed<\/b><span style=\"font-weight: 400;\"> and\/or <\/span><b>torque<\/b><span style=\"font-weight: 400;\"> required so as to provide almost exactly the<\/span><b>required energy<\/b><span style=\"font-weight: 400;\">  without having to dissipate it. In the following images, you can see the difference in efficiency between a   <\/span><b>dissipative system<\/b><span style=\"font-weight: 400;\"> and a <\/span><b>non-dissipative<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;17977&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The difference between the <\/span><b>required power<\/b><span style=\"font-weight: 400;\"> (orange) and the <\/span><b>power output<\/b><span style=\"font-weight: 400;\"> with <\/span><b>inverter<\/b><span style=\"font-weight: 400;\"> (green) is the<\/span><b>efficiency of the inverter<\/b><span style=\"font-weight: 400;\"> which reaches approximately <\/span><b>95%<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;5&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Efficiency Classes for Electric Motors According to IEC Standards<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>electric motors <\/b><span style=\"font-weight: 400;\">do not, however, all have the <\/span><b>same efficiency<\/b><span style=\"font-weight: 400;\">; the <\/span><b>efficiency classes<\/b><span style=\"font-weight: 400;\"> defined by the <\/span><b>international standard IEC 60034-30-1<\/b><span style=\"font-weight: 400;\"> are as follows:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>electric motor<\/b><b> IE1<\/b><span style=\"font-weight: 400;\"> (standard efficiency);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>electric motor <\/b><b>IE2<\/b><span style=\"font-weight: 400;\"> (high efficiency);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>electric motor <\/b><b>IE3<\/b><span style=\"font-weight: 400;\"> (premium efficiency);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>electric motor <\/b><b>IE4<\/b><span style=\"font-weight: 400;\"> (super-premium efficiency).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The <\/span><b>IE5 efficiency class<\/b><span style=\"font-weight: 400;\"> is still being defined, while the <\/span><b>IE1 class<\/b><span style=\"font-weight: 400;\">  It is no longer on the market. Switching from a   <\/span><b>motor <\/b><b>electric<\/b><b> IE2<\/b><span style=\"font-weight: 400;\"> single-phase <\/span><b>IE4<\/b><span style=\"font-weight: 400;\"> can result in a <\/span><b>increase in efficiency<\/b><span style=\"font-weight: 400;\"> of <\/span><b>2\u20133%<\/b><span style=\"font-weight: 400;\">, which translates to <\/span><b>significant savings<\/b><span style=\"font-weight: 400;\"> on large-scale systems.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>electric motors <\/b><span style=\"font-weight: 400;\">are, however, often overlooked when it comes to<\/span><b>energy efficiency<\/b><span style=\"font-weight: 400;\">; it is mistakenly believed that investing in <\/span><b>high-efficiency electric motors <\/b><b>and inverters<\/b><span style=\"font-weight: 400;\"> is more of an expense than a savings, leading them to choose <\/span><b>low-efficiency models<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;17979&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">Efficiency of electric motors by class, in accordance with EN 60034-30-1<\/span><\/em>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;6&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Energy Savings with Inverters: Data and Application Examples<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">A  <\/span><b>FIRE Case Study<\/b><span style=\"font-weight: 400;\">  shows that for a  <\/span><b>pumping system<\/b><span style=\"font-weight: 400;\">  from  <\/span><b>20 kW<\/b><span style=\"font-weight: 400;\">  that works  <\/span><b>4,000 hours\/year<\/b><span style=\"font-weight: 400;\">, using a  <\/span><b>throttle valve<\/b><span style=\"font-weight: 400;\">  this results in a  <\/span><b>cycle cost<\/b><span style=\"font-weight: 400;\">  of the life of  <\/span><b>76,300 \u20ac<\/b><span style=\"font-weight: 400;\">, whereas when using a  <\/span><b>inverter<\/b><span style=\"font-weight: 400;\">  the value drops to  <\/span><b>42,600 \u20ac<\/b><span style=\"font-weight: 400;\">, with a net savings of  <\/span><b>33,700 \u20ac<\/b><span style=\"font-weight: 400;\">  and a return time of approximately<\/span><b>  1 year<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A <\/span><b>ventilation<\/b><span style=\"font-weight: 400;\"> , on the other hand, with <\/span><b>a power rating of 10 kW<\/b><span style=\"font-weight: 400;\"> operating in three shifts for a total of <\/span><b>7,680 hours per year<\/b><span style=\"font-weight: 400;\"> would result in savings of <\/span><b>42,200 euros<\/b><span style=\"font-weight: 400;\"> over <\/span><b>12 years<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To perform calculations like the ones shown and determine whether <\/span><span style=\"font-weight: 400;\">the<\/span><b>inverter<\/b><b> for<\/b> <b>electric motor<\/b><span style=\"font-weight: 400;\"> is a worthwhile investment, you can consider the <\/span><b>following formula<\/b><span style=\"font-weight: 400;\"> to make a preliminary estimate of the <\/span><b>payback period<\/b><span style=\"font-weight: 400;\"> of an <\/span><b>inverter-driven electric motor<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;17981&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T: payback period (years)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">P: engine power [kW]<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cc: load coefficient (dimensionless)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">h: operating time (hours per year)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">c: cost of electricity (\u20ac\/kWh)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">effstd: standard motor rated output<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">effhem: rated output of a high-efficiency motor<\/span><\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;7&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Induction Motors and Speed Control with Inverters<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">Currently, many of these systems use <\/span><b>three-phase induction motors<\/b><span style=\"font-weight: 400;\"> which are excellent <\/span><b>simplicity<\/b><span style=\"font-weight: 400;\">, <\/span><b>durability<\/b><span style=\"font-weight: 400;\"> and <\/span><b>affordability<\/b><span style=\"font-weight: 400;\"> but that operate at <\/span><b>constant speed<\/b><span style=\"font-weight: 400;\"> and do not allow for <\/span><b>effective adjustment<\/b><span style=\"font-weight: 400;\">. The use of  <\/span><b>inverter<\/b><span style=\"font-weight: 400;\">, as we have seen, allows for <\/span><b>greater efficiency<\/b><span style=\"font-weight: 400;\"> and <\/span><b>greater cost savings<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;8&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Industrial Applications of Inverters<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>inverters<\/b><span style=\"font-weight: 400;\"> are useful in a wide variety of fields, such as:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>pumps<\/b><span style=\"font-weight: 400;\"> and <\/span><b>fans<\/b><span style=\"font-weight: 400;\"> for <\/span><b>HVAC systems<\/b><span style=\"font-weight: 400;\">; <\/span> <\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>compressors<\/b><span style=\"font-weight: 400;\"> for <\/span><b>compressed air<\/b><span style=\"font-weight: 400;\"> and <\/span><b>industrial gases<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>elevators<\/b><span style=\"font-weight: 400;\"> and <\/span><b>escalators<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>agitators<\/b><span style=\"font-weight: 400;\"> and <\/span><b>mixers<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">frames;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">calendras;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">presses;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">centrifuges.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">All of these sectors use almost exclusively <\/span><b>variable-frequency drives<\/b><span style=\"font-weight: 400;\"> for the reasons mentioned at the beginning.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;9&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Types of Inverters for Industrial Applications<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">There are various types of inverters on the market, each suited to specific application needs.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>single-phase inverters<\/b><span style=\"font-weight: 400;\">: used with small motors.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>three-phase inverters<\/b><span style=\"font-weight: 400;\">:<\/span> <span style=\"font-weight: 400;\">are the most widely used in industrial settings and cover a wide range of power ratings.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>digital inverters<\/b><span style=\"font-weight: 400;\">: are equipped with <\/span><b>displays<\/b><span style=\"font-weight: 400;\"> and allow for easier setup and <\/span><b>monitoring<\/b><span style=\"font-weight: 400;\"> of parameters.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>energy-saving inverters<\/b><span style=\"font-weight: 400;\">: They modulate the operating frequency to reduce electricity consumption.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>hybrid inverters<\/b><span style=\"font-weight: 400;\">: manage <\/span><b>photovoltaic<\/b><span style=\"font-weight: 400;\"> connected to <\/span><b>batteries and the power grid<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Stationary <b>power inverters<\/b> are used in continuous-duty applications such as <b>compressors<\/b> and <b>refrigeration systems<\/b>.<\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;10&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Differences Between Variable-Frequency and Constant-Frequency Inverters: Inverters for Photovoltaic Systems<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">A special mention is also due <\/span><b>constant-frequency inverters<\/b><span style=\"font-weight: 400;\"> which <\/span><b>convert<\/b><span style=\"font-weight: 400;\"> the <\/span><b>direct current<\/b><span style=\"font-weight: 400;\"> into alternating current at <\/span><b>50 Hz<\/b><span style=\"font-weight: 400;\">. The latter  <\/span><b>inverter<\/b><span style=\"font-weight: 400;\">  are used in  <\/span><b>solar power systems<\/b><span style=\"font-weight: 400;\">  and in the  <\/span><b>uninterruptible power supplies<\/b><span style=\"font-weight: 400;\">  where necessary  <\/span><b>convert<\/b><span style=\"font-weight: 400;\">  the  <\/span><b>direct current<\/b><span style=\"font-weight: 400;\">  in  <\/span><b>alternating<\/b><span style=\"font-weight: 400;\">  for the  <\/span><b>public network<\/b><span style=\"font-weight: 400;\">  or the  <\/span><b>utility accounts<\/b><span style=\"font-weight: 400;\">  that absorb it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the case of <\/span><b>photovoltaic systems<\/b><span style=\"font-weight: 400;\">, the inverter plays a broader role than simply <\/span><b>conversion of electrical current<\/b><span style=\"font-weight: 400;\">. In addition to transforming the<\/span><b>energy generated<\/b><span style=\"font-weight: 400;\"> by the DC-to-AC panels, manages the <\/span><b>overall operation of the system<\/b><span style=\"font-weight: 400;\">, <\/span><b>while monitoring<\/b><span style=\"font-weight: 400;\"> the <\/span><b>performance<\/b><span style=\"font-weight: 400;\"> and <\/span><b>adjusting the<\/b><span style=\"font-weight: 400;\"> of energy into the <\/span><b>grid<\/b><span style=\"font-weight: 400;\"> or into <\/span><b>storage systems<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This means that the choice of<\/span><b>photovoltaic inverter<\/b><span style=\"font-weight: 400;\"> cannot be separated from the system sizing: the power rating must be consistent with the installed capacity.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this case, therefore, we are not talking about <\/span><b>energy efficiency<\/b><span style=\"font-weight: 400;\"> but rather a <\/span><b>conversion necessary for the appliances to function<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;11&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][toggles style=&#8221;default&#8221; border_radius=&#8221;none&#8221;][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;Why does an inverter help you save money?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">An inverter helps you save money<\/span><span style=\"font-weight: 400;\"> because it is not a <\/span><b>energy-wasting control logic<\/b><span style=\"font-weight: 400;\"> \u2014that is, a <\/span><b>system<\/b><span style=\"font-weight: 400;\"> in which energy is supplied to the <\/span><b>fluid<\/b> <b>much more energy than is necessary<\/b><span style=\"font-weight: 400;\"> , which is then largely <\/span><b>dissipated<\/b><span style=\"font-weight: 400;\">  to achieve the final result. A   <\/span><b>Modula inverter<\/b><span style=\"font-weight: 400;\"> modulates the <\/span><b>power supply frequency<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>electric motor<\/b><span style=\"font-weight: 400;\"> in order to reduce the <\/span><b>electricity consumption<\/b><span style=\"font-weight: 400;\"> when necessary.<\/span>[\/vc_column_text][\/toggle][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;Do inverters require special maintenance?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>modern inverters<\/b><span style=\"font-weight: 400;\"> are reliable devices that <\/span><b>require minimal maintenance<\/b><span style=\"font-weight: 400;\">. All it takes is a  <\/span><b>Periodic cleaning<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>cooling fans<\/b><span style=\"font-weight: 400;\"> and a <\/span><b>visual inspection<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>connections<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/toggle][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;For which systems is it most cost-effective to install an inverter?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>inverters<\/b><span style=\"font-weight: 400;\"> are particularly advantageous in <\/span><b>systems that operate for many hours<\/b><span style=\"font-weight: 400;\"> per year (<\/span><b>over 3,000 hours<\/b><span style=\"font-weight: 400;\">), have <\/span><b>variable loads<\/b><span style=\"font-weight: 400;\"> (pumps, fans, compressors), <\/span><b>require frequent adjustments<\/b><span style=\"font-weight: 400;\"> in speed or flow rate, and currently use <\/span><b>energy-wasting methods<\/b><span style=\"font-weight: 400;\"> (valves, dampers).<\/span>[\/vc_column_text][\/toggle][\/toggles][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; id=&#8221;12&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Inverters as a Strategic Tool for Energy Efficiency<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>inverters <\/b><b>for electric motors<\/b><span style=\"font-weight: 400;\"> are therefore an essential component for<\/span><b>energy efficiency<\/b><span style=\"font-weight: 400;\"> , especially in <\/span><b>the industrial sector<\/b><span style=\"font-weight: 400;\">. Using them results in a considerable  <\/span><b>cost savings<\/b><span style=\"font-weight: 400;\"> with competitive payback periods and improved system performance.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For more information on inverter applications in electric motors <\/span><a href=\"https:\/\/www.enertechsolution.it\/en\/contact\/\"><b>please contact<\/b><\/a><span style=\"font-weight: 400;\"> the <\/span><b>Enertech Solution<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][nectar_global_section id=&#8221;8729&#8243;][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221;&#8230;<\/p>\n","protected":false},"author":5,"featured_media":17976,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpb_vc_js_status":"","_wpb_shortcodes_custom_css":""},"categories":[173,163],"tags":[],"class_list":["post-20265","post","type-post","status-publish","format-standard","has-post-thumbnail","category-design","category-plant-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Inverters for Electric Motors: What They Are and How They Work<\/title>\n<meta name=\"description\" content=\"Reduce the energy consumption of electric motors with inverters: find out how they work, where they\u2019re used, and when it\u2019s worth installing them.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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