{"id":2861,"date":"2024-08-25T19:44:40","date_gmt":"2024-08-25T19:44:40","guid":{"rendered":"https:\/\/workhouse.sweetdishy.com\/?p=2861"},"modified":"2024-08-25T19:44:40","modified_gmt":"2024-08-25T19:44:40","slug":"actual-transformer","status":"publish","type":"post","link":"https:\/\/workhouse.sweetdishy.com\/index.php\/2024\/08\/25\/actual-transformer\/","title":{"rendered":"ACTUAL TRANSFORMER"},"content":{"rendered":"\n<p id=\"para-395\">An actual transformer has (i) primary and secondary resistances\u00a0<em>R<\/em><sub>1\u00a0<\/sub>and\u00a0<em>R<\/em><sub>2<\/sub>, (ii) primary and secondary leakage reactance\u00a0<em>X<\/em><sub>1\u00a0<\/sub>and\u00a0<em>X<\/em><sub>2\u00a0<\/sub>(iii) iron and copper losses and (iv) exciting resistance\u00a0<em>R<\/em><sub>0\u00a0<\/sub>and exciting reactance\u00a0<em>X<\/em><sub>0<\/sub>. The equivalent circuit of an actual transformer is shown in\u00a0Figure 10.23.<\/p>\n\n\n\n<p id=\"para-396\">Primary impedance,&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learning.oreilly.com\/api\/v2\/epubs\/urn:orm:book:9789332558311\/files\/images\/z1.png\" alt=\"img\" width=\"16\" height=\"23\">&nbsp;=&nbsp;<em>R<\/em><sub>1<\/sub>&nbsp;+&nbsp;<em>jX<\/em><sub>1<\/sub><\/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\/page528_1.png\" alt=\"img\"\/><\/figure>\n\n\n\n<p id=\"para-397\"><strong>Fig. 10.23<\/strong>&nbsp;&nbsp;Equivalent circuit of an actual transformer on load<\/p>\n\n\n\n<p id=\"para-398\">Supply voltage is&nbsp;<em>V<\/em><sub>1<\/sub>. The resistance and leakage reactance of primary winding are responsible for some voltage drop in primary winding.<\/p>\n\n\n\n<p id=\"para-399\">\u2234<\/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\/page528_2.png\" alt=\"img\"\/><\/figure>\n\n\n\n<p id=\"para-400\">Where<\/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\/page528_3.png\" alt=\"img\"\/><\/figure>\n\n\n\n<p id=\"para-401\">Secondary impedance,<\/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\/page528_4.png\" alt=\"img\"\/><\/figure>\n\n\n\n<p id=\"para-402\">Similarly, the resistance and leakage reactance of secondary winding are responsible for some voltage drop in secondary winding. Hence,<\/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\/page528_5.png\" alt=\"img\"\/><\/figure>\n\n\n\n<p id=\"para-403\">The phasor (vector) diagrams of an actual transformer for resistive, inductive, and capacitive loads are shown in\u00a0Figure 10.24(a),\u00a010.24(b), and\u00a010.24(c), respectively. The drops in resistances are drawn in phase with current vectors and drops in reactance are drawn perpendicular to the current vectors.<\/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\/page528_6.png\" alt=\"img\"\/><\/figure>\n\n\n\n<p id=\"para-404\"><strong>Fig. 10.24<\/strong>&nbsp;&nbsp;Phasor diagram of an actual transformer at load (a) for resistive load (b) for inductive load (c) for capacitive load<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An actual transformer has (i) primary and secondary resistances\u00a0R1\u00a0and\u00a0R2, (ii) primary and secondary leakage reactance\u00a0X1\u00a0and\u00a0X2\u00a0(iii) iron and copper losses and (iv) exciting resistance\u00a0R0\u00a0and exciting reactance\u00a0X0. The equivalent circuit of an actual transformer is shown in\u00a0Figure 10.23. Primary impedance,&nbsp;&nbsp;=&nbsp;R1&nbsp;+&nbsp;jX1 Fig. 10.23&nbsp;&nbsp;Equivalent circuit of an actual transformer on load Supply voltage is&nbsp;V1. The resistance and leakage reactance [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2841,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[413],"tags":[],"class_list":["post-2861","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-single-phase-transformers"],"jetpack_featured_media_url":"https:\/\/workhouse.sweetdishy.com\/wp-content\/uploads\/2024\/08\/power-transformer.png","_links":{"self":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/2861","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=2861"}],"version-history":[{"count":1,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/2861\/revisions"}],"predecessor-version":[{"id":2862,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/2861\/revisions\/2862"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media\/2841"}],"wp:attachment":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media?parent=2861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/categories?post=2861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/tags?post=2861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}