{"id":129,"date":"2015-03-10T09:59:50","date_gmt":"2015-03-10T09:59:50","guid":{"rendered":"https:\/\/epa.de\/filter\/en\/?page_id=129"},"modified":"2025-09-24T16:45:22","modified_gmt":"2025-09-24T14:45:22","slug":"harmonic-filters","status":"publish","type":"page","link":"https:\/\/epa.de\/en\/emc\/products\/harmonic-filters\/","title":{"rendered":"Harmonic Filters"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">The HFE-5P and HFE-8P models are <strong>highly efficient<\/strong>, <strong>two-stage passive harmonic filters<\/strong> specifically designed to reduce harmonics generated by frequency inverters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Under realistic operating conditions \u2013 such as already distorted mains voltage or uneven mains load \u2013 the filters reliably reduce the line current distortion (THDi) to below 5% (HFE-5P) or below 8% (HFE-8P). They thus meet the requirements of relevant standards and guidelines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In contrast to conventional absorption circuits, which specifically attenuate the 5th harmonic, both models utilize a two-stage filter design. This typically reduces the THDi to around 3% \u2013 without concentrating on a single frequency. Instead, the entire harmonic spectrum is effectively attenuated.<\/p>\n\n\n\n<div style=\"height:var(--wp--preset--spacing--50)\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Our harmonic filters have the following properties:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduction of harmonics and low frequency distortion<\/li>\n\n\n\n<li>Improvement of the THDi values (&lt;5% possible)<\/li>\n\n\n\n<li>Compliance with the harmonic emission requirements of <strong>IEC 61000-3-12<\/strong><\/li>\n\n\n\n<li>Less expensive than active harmonic filters<\/li>\n\n\n\n<li>Significantly reduced input current (<strong>energy saving<\/strong>)<\/li>\n<\/ul>\n\n\n\n<div style=\"height:var(--wp--preset--spacing--60)\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<h1><\/h1>\n<div class=\"wp-block-epa-am-epa-produkte\">\n    <div class=\"epa-block-products\" id=\"HFE-5P\">\n        <div class=\"card border-0 rounded-0\">\n            <div class=\"card-body\">\n\n                <div class=\"row g-0\">\n                    <div class=\"col-md-4\"><img decoding=\"async\" src=\"https:\/\/epa.de\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/product_HFE-A-22-400-1024x768.jpg\" class=\"fluid img-thumbnail border border-primary rounded-0\" alt=\"Produktbild HFE-5P\"><\/div>                    <div class=\"col-md-8\">\n                        <div class=\"card-body\">\n                            <div class=\"product-sharing-options ps-2 pe-2 position-absolute top-0 end-0 m-2 bg-white rounded\">\n                                <a href=\"mailto:?subject=Sehen%20Sie%20sich%20HFE-5P%20auf%20epa.de%20an%21&#038;body=Hier%20der%20Link%3A%20https%3A%2F%2Fepa.de%2Fen%2Femc%2Fproducts%2Fharmonic-filters%2F%23HFE-5P\" target=\"blank\" class=\"me-2\"><i class=\"bi bi-envelope\"><\/i><\/a>\n                                <a href=\".\/#HFE-5P\" target=\"blank\"><i class=\"bi bi-link-45deg\"><\/i><\/a>\n                            <\/div>\n\n                            <h3 class=\"card-title\">HFE-5P<\/h3>\n                            <p><p>Harmonic filters for frequency inverters<\/p><\/p>\n                            <ul class=\"list-group list-group-flush\"><li class=\"list-group-item\">Current ratings from 10\u2009A up to 410\u2009A<\/li><li class='list-group-item'>Optimized for B6 bridge rectifiers<\/li><li class='list-group-item'>Reduction of harmonic content (THDi <\u20065\u2006%)*<\/li><li class='list-group-item'>Input current will be reduced (saves energy)<\/li><li class='list-group-item'>User-friendly commissioning<\/li><li class='list-group-item'>Cost-efficient compared to active filters<\/li><li class='list-group-item'>* Typical values for 6-pulse inverters with internal DC chokes<\/li><\/ul>                        <\/div>\n\n                        <!-- <div class=\"product-offset-border\"><\/div> -->\n                    <\/div>\n                <\/div>\n            <\/div>\n 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class=\"table-dark\"><tr><th><i class=\"bi bi-file-earmark-fill\"> File<\/th><th class=\"filesize\"><i class=\"bi bi-hdd-fill\"><\/i> Size<\/th><\/tr><\/thead><tbody><tr class=\"foldername\"><td colspan=\"2\"><i class=\"oi oi-folder\"><\/i> <strong>Data_Sheets <span>\u00bb<\/span> EMC <span>\u00bb<\/span> Harmonic_Filters<\/strong><\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/03_Data_Sheets\/03.01_EMC\/03.01.07_Harmonic_Filters\/EPA_Harmonic-filters_HFE-5P-600-60_data-sheet.pdf\">EPA_Harmonic-filters_HFE-5P-600-60_data-sheet.pdf<\/a><\/td><td class=\"filesize\">2.42 M<\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/03_Data_Sheets\/03.01_EMC\/03.01.07_Harmonic_Filters\/EPA_Harmonic-filters_HFE-5P_5.5-250_data-sheet.pdf\">EPA_Harmonic-filters_HFE-5P_5.5-250_data-sheet.pdf<\/a><\/td><td class=\"filesize\">2.61 M<\/td><\/tr><tr class=\"foldername\"><td colspan=\"2\"><i class=\"oi oi-folder\"><\/i> <strong>Manuals <span>\u00bb<\/span> EMC<\/strong><\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/04_Manuals\/04.01_EMC\/EPA_Harmonic-Filters_HFE-5P_HFE-8P_Instruction_Manual.pdf\">EPA_Harmonic-Filters_HFE-5P_HFE-8P_Instruction_Manual.pdf<\/a><\/td><td class=\"filesize\">19.52 M<\/td><\/tr><\/table><\/div><\/div><\/div>\n\n<h1><\/h1>\n<div class=\"wp-block-epa-am-epa-produkte\">\n    <div class=\"epa-block-products\" id=\"HFE-8P\">\n        <div class=\"card border-0 rounded-0\">\n            <div class=\"card-body\">\n\n                <div class=\"row g-0\">\n                    <div class=\"col-md-4\"><img decoding=\"async\" src=\"https:\/\/epa.de\/en\/wp-content\/uploads\/sites\/2\/2025\/05\/product_HFE-A-22-400-1024x768.jpg\" class=\"fluid img-thumbnail border border-primary rounded-0\" alt=\"Produktbild HFE-8P\"><\/div>                    <div class=\"col-md-8\">\n                        <div class=\"card-body\">\n                            <div class=\"product-sharing-options ps-2 pe-2 position-absolute top-0 end-0 m-2 bg-white rounded\">\n                                <a href=\"mailto:?subject=Sehen%20Sie%20sich%20HFE-8P%20auf%20epa.de%20an%21&#038;body=Hier%20der%20Link%3A%20https%3A%2F%2Fepa.de%2Fen%2Femc%2Fproducts%2Fharmonic-filters%2F%23HFE-8P\" target=\"blank\" class=\"me-2\"><i class=\"bi bi-envelope\"><\/i><\/a>\n                                <a href=\".\/#HFE-8P\" target=\"blank\"><i class=\"bi bi-link-45deg\"><\/i><\/a>\n                            <\/div>\n\n                            <h3 class=\"card-title\">HFE-8P<\/h3>\n                            <p><p>Harmonic filters for frequency inverters<\/p><\/p>\n                            <ul class=\"list-group list-group-flush\"><li class=\"list-group-item\">Current ratings from 2.2\u2009A up to 1030\u2009A<\/li><li class='list-group-item'>Optimized for B6 bridge rectifiers<\/li><li class='list-group-item'>Reduction of harmonic content (THDi <\u20068\u2006%)*<\/li><li class='list-group-item'>Input current will be reduced (saves energy)<\/li><li class='list-group-item'>User-friendly commissioning<\/li><li class='list-group-item'>Cost-efficient compared to active filters<\/li><li class='list-group-item'>* Typical values for 6-pulse inverters with internal DC chokes<\/li><\/ul>                        <\/div>\n\n                        <!-- <div class=\"product-offset-border\"><\/div> -->\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n\n    <!-- Modal -->\n    <div class=\"modal modal-xl fade\" id=\"modal1148607988\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"exampleModalLongTitle\" aria-hidden=\"true\">\n        <div class=\"modal-dialog\" role=\"document\">\n            <div class=\"modal-content\">\n                <div class=\"modal-header\">\n                    <h3 class=\"modal-title\" 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marting-bottom: 2.5rem;\"><div class=\"rounded p-2 border border-dark\"><table class=\"table table-striped mb-0 pb-0 wp-block-epa-am-epa-produkte\"\"><thead class=\"table-dark\"><tr><th><i class=\"bi bi-file-earmark-fill\"> File<\/th><th class=\"filesize\"><i class=\"bi bi-hdd-fill\"><\/i> Size<\/th><\/tr><\/thead><tbody><tr class=\"foldername\"><td colspan=\"2\"><i class=\"oi oi-folder\"><\/i> <strong>Data_Sheets <span>\u00bb<\/span> EMC <span>\u00bb<\/span> Harmonic_Filters<\/strong><\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/03_Data_Sheets\/03.01_EMC\/03.01.07_Harmonic_Filters\/EPA_Harmonic-filters_HFE-8P-600-60_data-sheet.pdf\">EPA_Harmonic-filters_HFE-8P-600-60_data-sheet.pdf<\/a><\/td><td class=\"filesize\">2.42 M<\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/03_Data_Sheets\/03.01_EMC\/03.01.07_Harmonic_Filters\/EPA_Harmonic-filters_HFE-8P_2.2-182_data-sheet.pdf\">EPA_Harmonic-filters_HFE-8P_2.2-182_data-sheet.pdf<\/a><\/td><td class=\"filesize\">2.60 M<\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/03_Data_Sheets\/03.01_EMC\/03.01.07_Harmonic_Filters\/EPA_Harmonic-filters_HFE-8P_217-1030_data-sheet.pdf\">EPA_Harmonic-filters_HFE-8P_217-1030_data-sheet.pdf<\/a><\/td><td class=\"filesize\">2.47 M<\/td><\/tr><tr class=\"foldername\"><td colspan=\"2\"><i class=\"oi oi-folder\"><\/i> <strong>Manuals <span>\u00bb<\/span> EMC<\/strong><\/td><\/tr><tr><td class=\"filepath\"><i class=\"bi bi-arrow-return-right\"><\/i> <a href=\"\/download\/en\/04_Manuals\/04.01_EMC\/EPA_Harmonic-Filters_HFE-5P_HFE-8P_Instruction_Manual.pdf\">EPA_Harmonic-Filters_HFE-5P_HFE-8P_Instruction_Manual.pdf<\/a><\/td><td class=\"filesize\">19.52 M<\/td><\/tr><\/table><\/div><\/div><\/div>\n\n\n<div style=\"height:var(--wp--preset--spacing--70)\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Normative requirements<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u2026 that make the use of a harmonic filter necessary:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>IEC\/EN 61000-3-2<\/td><td>IEC\/EN 61000-3-12<\/td><td>IEC\/EN 61000-3-4<\/td><\/tr><tr><td>IEC 61000-2-2<\/td><td>IEC 61000-2-4<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The HFE-5P and HFE-8P models are highly efficient, two-stage passive harmonic filters specifically designed to reduce harmonics generated by frequency inverters. Under realistic operating conditions \u2013 such as already distorted mains voltage or uneven mains load \u2013 the filters reliably reduce the line current distortion (THDi) to below 5% (HFE-5P) or below 8% (HFE-8P). They <a href=\"https:\/\/epa.de\/en\/emc\/products\/harmonic-filters\/\" class=\"more-link\">&#8230;<span class=\"screen-reader-text\">  Harmonic Filters<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":426,"parent":3574,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-129","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/pages\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/comments?post=129"}],"version-history":[{"count":1,"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/pages\/129\/revisions"}],"predecessor-version":[{"id":6312,"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/pages\/129\/revisions\/6312"}],"up":[{"embeddable":true,"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/pages\/3574"}],"wp:attachment":[{"href":"https:\/\/epa.de\/en\/wp-json\/wp\/v2\/media?parent=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}