{"id":219,"date":"2015-05-22T13:14:13","date_gmt":"2015-05-22T13:14:13","guid":{"rendered":"https:\/\/epa.de\/antriebe\/en\/?page_id=219"},"modified":"2016-12-14T15:10:43","modified_gmt":"2016-12-14T15:10:43","slug":"sinusoidal-filters","status":"publish","type":"page","link":"https:\/\/epa.de\/antriebe\/en\/products\/sinusoidal-filters\/","title":{"rendered":"Sinusoidal filters"},"content":{"rendered":"<p><div class=\"products\"><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1428 size-full\" src=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/sfaf2-400.jpg\" alt=\"\" width=\"1004\" height=\"932\" \/><\/p>\n<h2>SFAF2-400<\/h2>\n<p>High performance Sinusoidal Outputfilter three-phase from 2 &#8211; 600 A<\/p>\n<ul>\n<li>Rated voltage 400 V (also 500 V \/ 690 V available)<\/li>\n<li>Recommended for frequency inverter operation with long motor cables<\/li>\n<li>Generates sinusoidal output voltage<\/li>\n<li>VFD-operation with unshielded motor cable is possible<\/li>\n<li>Reduces motor noise<\/li>\n<li>Protects motor windings and bearings<\/li>\n<li>Reduces the dv\/dt values \u200b\u200b(spikes)<\/li>\n<li>Reduction of high-frequency leakage currents<\/li>\n<li>Improves the EMC (reduced emissions of interference)<\/li>\n<li>UL approved insulation material<\/li>\n<li>Even 4-line sinusoidal filters available<\/li>\n<\/ul>\n<p><a class=\"jump_to_downloads\" href=\"#downloads\"><i class=\"oi oi-data-transfer-download\"><\/i> Jump to downloads<\/a><\/div><\/p>\n<p><div class=\"products\"><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1429 size-full\" src=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/sfaf2-500.jpg\" alt=\"\" width=\"1004\" height=\"932\" \/><\/p>\n<h2>SFAF2-500<\/h2>\n<p>High performance Sinusoidal Outputfilter three-phase from 200 &#8211; 1200 A<\/p>\n<ul>\n<li>Rated voltage 500 V<\/li>\n<li>Recommended for frequency inverter operation with long motor cables<\/li>\n<li>Generates sinusoidal output voltage<\/li>\n<li>VFD-operation with unshielded motor cable is possible<\/li>\n<li>Reduces motor noise<\/li>\n<li>Protects motor windings and bearings<\/li>\n<li>Reduces the dv\/dt values \u200b\u200b(spikes)<\/li>\n<li>Reduction of high-frequency leakage currents<\/li>\n<li>Improves the EMC (reduced emissions of interference)<\/li>\n<li>UL approved insulation material<\/li>\n<li>Even 4-line sinusoidal filters available<\/li>\n<\/ul>\n<p><a class=\"jump_to_downloads\" href=\"#downloads\"><i class=\"oi oi-data-transfer-download\"><\/i> Jump to downloads<\/a><\/div><\/p>\n<h2>Use of sinusoidal filters on the frequency inverter output<\/h2>\n<p>Sinusoidal filters can be connected between inverter output and motor. Especially with long motor cables sinusoidal filters should be used to reduce parasitic capacities of the motor cable. If a suitable dimensioning of the LC filter, the pulse-width modulated (PWM) inverter output voltage is converted into a sinusoidal voltage.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1164\" src=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/Sinusfilter\u00fcbersicht.jpg\" alt=\"Sinusfilter\u00fcbersicht\" width=\"1400\" height=\"688\" \/><\/p>\n<p>Not only emissions on the motor cables are significantly attenuated, but also the voltage peaks which are caused by the inverter switching frequency. In addition to improved EMC the moptor is spared thus achieving a reliable and durable performance.<\/p>\n<h2>Comparison motor voltage (phase-phase) without sinusoidal filter and with sinusoidal filter<\/h2>\n<p><a href=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/sinusfilter_test.png\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1165\" src=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/sinusfilter_test.png\" alt=\"sinusfilter_test\" width=\"1310\" height=\"194\" \/><\/a><\/p>\n<h2>Example of the connection:<\/h2>\n<p>Inverter &#8211; Sinusoidal Filter &#8211; Motor<\/p>\n<p><a href=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/Sinusfilterprinzip.png\" data-rel=\"lightbox-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1166\" src=\"https:\/\/epa.de\/filter\/de\/wp-content\/uploads\/sites\/3\/2015\/02\/Sinusfilterprinzip.png\" alt=\"Sinusfilterprinzip\" width=\"1600\" height=\"375\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Use of sinusoidal filters on the frequency inverter output Sinusoidal filters can be connected between inverter output and motor. Especially with long motor cables sinusoidal filters should be used to reduce parasitic capacities of the motor cable. If a suitable dimensioning of the LC filter, the pulse-width modulated (PWM) inverter output voltage is converted into [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":613,"parent":152,"menu_order":8,"comment_status":"open","ping_status":"open","template":"page-downloads.php","meta":{"footnotes":""},"class_list":["post-219","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/pages\/219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/comments?post=219"}],"version-history":[{"count":6,"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/pages\/219\/revisions"}],"predecessor-version":[{"id":704,"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/pages\/219\/revisions\/704"}],"up":[{"embeddable":true,"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/pages\/152"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/media\/613"}],"wp:attachment":[{"href":"https:\/\/epa.de\/antriebe\/en\/wp-json\/wp\/v2\/media?parent=219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}