{"id":2713,"date":"2024-08-24T21:05:58","date_gmt":"2024-08-24T21:05:58","guid":{"rendered":"https:\/\/workhouse.sweetdishy.com\/?p=2713"},"modified":"2024-08-24T21:05:58","modified_gmt":"2024-08-24T21:05:58","slug":"significance-of-back-emf","status":"publish","type":"post","link":"https:\/\/workhouse.sweetdishy.com\/index.php\/2024\/08\/24\/significance-of-back-emf\/","title":{"rendered":"Significance of Back EMF"},"content":{"rendered":"\n<p>The current flowing through the armature is given by the relation:&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/learning.oreilly.com\/api\/v2\/epubs\/urn:orm:book:9789332558311\/files\/images\/page607_5.png\" alt=\"image\"\/><\/figure>\n\n\n\n<p>&nbsp;When mechanical load applied on the motor increases, its speed decreases that reduces the value of&nbsp;<em>E<\/em><sub>b<\/sub><em>.<\/em>&nbsp;As a result, the value (<em>V<\/em>&nbsp;\u2212&nbsp;<em>E<\/em><sub>b<\/sub>) increases that consequently increases&nbsp;<em>I<\/em><sub>a<\/sub><em>.<\/em>&nbsp;Hence, motor draws extra current from the mains. Thus, the back emf regulates the input power as per the extra load.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The current flowing through the armature is given by the relation:&nbsp; &nbsp;When mechanical load applied on the motor increases, its speed decreases that reduces the value of&nbsp;Eb.&nbsp;As a result, the value (V&nbsp;\u2212&nbsp;Eb) increases that consequently increases&nbsp;Ia.&nbsp;Hence, motor draws extra current from the mains. Thus, the back emf regulates the input power as per the extra [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"class_list":["post-2713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dc-machines-generators-and-motors"],"jetpack_featured_media_url":"https:\/\/workhouse.sweetdishy.com\/wp-content\/uploads\/2024\/08\/dc.png","_links":{"self":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/2713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/comments?post=2713"}],"version-history":[{"count":1,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/2713\/revisions"}],"predecessor-version":[{"id":2714,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/2713\/revisions\/2714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media\/2709"}],"wp:attachment":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media?parent=2713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/categories?post=2713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/tags?post=2713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}