{"id":7944,"date":"2022-02-22T16:42:26","date_gmt":"2022-02-22T16:42:26","guid":{"rendered":"https:\/\/www.ed-k.de\/applications\/example-4-mains-line-choke-with-laminated-iron-plate\/"},"modified":"2026-03-16T13:03:33","modified_gmt":"2026-03-16T13:03:33","slug":"example-4-mains-line-choke-with-laminated-iron-plate","status":"publish","type":"page","link":"https:\/\/www.ed-k.de\/en\/applications\/example-4-mains-line-choke-with-laminated-iron-plate\/","title":{"rendered":"Example 4: mains line choke with laminated iron plate"},"content":{"rendered":"<div class='clear'><\/div><div id='sub_menu1'  class='av-submenu-container av-kzycy29d-2f8262a615cc4c27f46589c71bf69320 main_color  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  av-sticky-submenu container_wrap fullsize' style='z-index:301' ><div class='container av-menu-mobile-disabled av-submenu-pos-center'><ul id=\"menu-anwendungen-englisch\" class=\"av-subnav-menu\" role=\"menu\"><li role=\"menuitem\" id=\"menu-item-1178\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-1\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-1\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 1<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-7916\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-2\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-2-filter-reactor-with-ferrite-core-e32\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 2<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-8169\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-3\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-3-filter-choke-with-high-flux-core\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 3<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-7954\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-4\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-4-mains-line-choke-with-laminated-iron-plate\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 4<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-6792\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-5\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-5-vhf-choke-with-ferrite-cylinder-core\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 5<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-6793\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-6\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-6-3-phase-choke-for-mains-filter\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 6<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-1322\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-7\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-7\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 7<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-6794\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-8\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-8-filter-choke-with-iron-powder-core\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 8<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<\/ul><\/div><\/div><div class='sticky_placeholder'><\/div><div id='after_submenu_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-7944'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-365346-6a7ff5b610e83399ff785f1798935338\">\n.flex_column.av-365346-6a7ff5b610e83399ff785f1798935338{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-365346-6a7ff5b610e83399ff785f1798935338 av_one_full  avia-builder-el-1  el_after_av_submenu  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-31odme-d5123cf66650efb104abf8400d97d71d\">\n#top .av-special-heading.av-31odme-d5123cf66650efb104abf8400d97d71d{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-31odme-d5123cf66650efb104abf8400d97d71d .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-31odme-d5123cf66650efb104abf8400d97d71d .av-subheading{\nfont-size:17px;\n}\n<\/style>\n<div  class='av-special-heading av-31odme-d5123cf66650efb104abf8400d97d71d av-special-heading-h1 blockquote modern-quote  avia-builder-el-2  avia-builder-el-no-sibling '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Example 4: mains line choke with electrical sheet core<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2tyati-b20ecb27d7d974725f7782907274eed4\">\n.flex_column.av-2tyati-b20ecb27d7d974725f7782907274eed4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2tyati-b20ecb27d7d974725f7782907274eed4 av_two_fifth  avia-builder-el-3  el_after_av_one_full  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2qdri6-15d945ebb4880dae24ac8a743f87cb00\">\n#top .hr.hr-invisible.av-2qdri6-15d945ebb4880dae24ac8a743f87cb00{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-2qdri6-15d945ebb4880dae24ac8a743f87cb00 hr-invisible  avia-builder-el-4  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-2i7byu-03e9e23dc9426960fc582b024c078858 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>This diagram shows the inductance curve of a small mains line choke with electrical sheet core. The manufacturer specifies the inductance value at 15 H at 30 mA. Typical application is passive power factor correction.<\/p>\n<p>In that case again the typical inductance curve of iron based core materials can be seen. The initial inductance is much lower than the inductance at nominal current due to the low initial permeability. A small signal measurement yields in misleading and not reproducible results that are too low.<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2fo9f2-906bb83ead9b73d1456348bef2d55cc4\">\n.flex_column.av-2fo9f2-906bb83ead9b73d1456348bef2d55cc4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2fo9f2-906bb83ead9b73d1456348bef2d55cc4 av_three_fifth  avia-builder-el-6  el_after_av_two_fifth  el_before_av_one_full  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2ajagu-b556d61c56162f91cd76c3966199baee\">\n.avia-image-container.av-2ajagu-b556d61c56162f91cd76c3966199baee img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-2ajagu-b556d61c56162f91cd76c3966199baee .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-2ajagu-b556d61c56162f91cd76c3966199baee av-styling- avia-align-center  avia-builder-el-7  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-9864 avia-img-lazy-loading-not-9864 avia_image ' src=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/Ex4E.png\" alt='' title='Ex4E'  height=\"562\" width=\"663\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/Ex4E.png 663w, https:\/\/www.ed-k.de\/wp-content\/uploads\/Ex4E-300x254.png 300w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-21wtrq-05bd7de5713fb3311d7762b26e16a4a3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/ex\/Ex4E.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Entire measurement report<\/a><\/strong><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1z3dri-23e0eed6f17c99d17367389ebebb251d\">\n.flex_column.av-1z3dri-23e0eed6f17c99d17367389ebebb251d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1z3dri-23e0eed6f17c99d17367389ebebb251d av_one_full  avia-builder-el-9  el_after_av_three_fifth  el_before_av_two_fifth  first no_margin flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1tbwmm-b85d5b9d4068acd520bb27a9e1f5726c\">\n#top .hr.hr-invisible.av-1tbwmm-b85d5b9d4068acd520bb27a9e1f5726c{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-1tbwmm-b85d5b9d4068acd520bb27a9e1f5726c hr-invisible  avia-builder-el-10  avia-builder-el-no-sibling '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1jkxli-30f96a68f86769a40f58f41cf3523404\">\n.flex_column.av-1jkxli-30f96a68f86769a40f58f41cf3523404{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1jkxli-30f96a68f86769a40f58f41cf3523404 av_two_fifth  avia-builder-el-11  el_after_av_one_full  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-52gbi-4fb6352e99a94cff0ff33b7f09f231b6\">\n#top .hr.hr-invisible.av-52gbi-4fb6352e99a94cff0ff33b7f09f231b6{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-52gbi-4fb6352e99a94cff0ff33b7f09f231b6 hr-invisible  avia-builder-el-12  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-4fv1q-43c553475e24af70c5f6f12dd8119634 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Sometimes it is helpful to display the inductance as a function of the voltage-time-integral \u222bU(t)dt applied to the inductor. Both display modes are togglable at the Power Choke Tester DPG10.<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-10x0jy-13bd7f1af03e30f1184885b2cbaf3f8e\">\n.flex_column.av-10x0jy-13bd7f1af03e30f1184885b2cbaf3f8e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-10x0jy-13bd7f1af03e30f1184885b2cbaf3f8e av_three_fifth  avia-builder-el-14  el_after_av_two_fifth  el_before_av_hr  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-zmnkm-5f997971b674b8a6f82bd469ac8834c8\">\n.avia-image-container.av-zmnkm-5f997971b674b8a6f82bd469ac8834c8 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-zmnkm-5f997971b674b8a6f82bd469ac8834c8 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-zmnkm-5f997971b674b8a6f82bd469ac8834c8 av-styling- avia-align-center  avia-builder-el-15  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1217 avia-img-lazy-loading-not-1217 avia_image ' src=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-4-report-e2.png\" alt='Example 4 measurement report e2' title=''  height=\"320\" width=\"670\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-4-report-e2.png 670w, https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-4-report-e2-300x143.png 300w, https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-4-report-e2-450x215.png 450w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jgqm7cp2-afdc10866c9136667de121f7e08159d8\">\n#top .hr.hr-invisible.av-jgqm7cp2-afdc10866c9136667de121f7e08159d8{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-jgqm7cp2-afdc10866c9136667de121f7e08159d8 hr-invisible  avia-builder-el-16  el_after_av_three_fifth  el_before_av_one_fourth '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class='flex_column_table av-qv7v2-fa6ad5801fddc4fa04c0247fa927da54 sc-av_one_fourth av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qv7v2-fa6ad5801fddc4fa04c0247fa927da54\">\n.flex_column.av-qv7v2-fa6ad5801fddc4fa04c0247fa927da54{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-qv7v2-fa6ad5801fddc4fa04c0247fa927da54 av_one_fourth  avia-builder-el-17  el_after_av_hr  el_before_av_one_half  first flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><\/div>\n<div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l6riu-a401aca0039c082cef8c1ad04e671b66\">\n.flex_column.av-l6riu-a401aca0039c082cef8c1ad04e671b66{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-l6riu-a401aca0039c082cef8c1ad04e671b66 av_one_half  avia-builder-el-18  el_after_av_one_fourth  el_before_av_one_fourth  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2tyfrc-866776f0dca0eb9645e2b8497ef1f47c\">\n#top .av_textblock_section.av-2tyfrc-866776f0dca0eb9645e2b8497ef1f47c .avia_textblock{\nfont-size:15px;\n}\n<\/style>\n<section  class='av_textblock_section av-2tyfrc-866776f0dca0eb9645e2b8497ef1f47c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ol>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-1\/\">PFC choke with nanocrystalline core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-2\/\">Smoothing choke\u00a0with ferrite core under temperature influence<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-3\/\">Smoothing choke\u00a0with high flux core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-4\/\">Mains line choke with laminated iron core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-5\/\">VHF choke with ferrite rod core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-6\/\">3-phase choke for mains filter<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-7\/\"> Current compensated chokes<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-8\/\">Filter choke with iron powder core<\/a><\/strong><\/li>\n<\/ol>\n<\/div><\/section><\/div>\n<div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-a3giu-0b8b07ea04e1f9c91a2c01b8bb476426\">\n.flex_column.av-a3giu-0b8b07ea04e1f9c91a2c01b8bb476426{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-a3giu-0b8b07ea04e1f9c91a2c01b8bb476426 av_one_fourth  avia-builder-el-20  el_after_av_one_half  avia-builder-el-last  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":7872,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7944","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Example 4: mains line choke with laminated iron plate - description and measurement protocol<\/title>\n<meta name=\"description\" content=\"Example 4: inductance curve of a small mains line choke with laminated iron plate core. 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