{"id":4414,"date":"2025-03-04T09:42:28","date_gmt":"2025-03-04T04:12:28","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=4414"},"modified":"2025-07-16T13:31:53","modified_gmt":"2025-07-16T08:01:53","slug":"fault-subsequent-clearance","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/ee\/power-generation-concepts\/fault-subsequent-clearance","title":{"rendered":"Fault Subsequent Clearance by Circuit Breaker"},"content":{"rendered":"

Let us consider a single machine tied to infinite bus through two parallel lines as shown below in figure.<\/p>\n

\"Circuit<\/p>\n

Let a fault occurs in the middle of one of the line (say X2 line).<\/p>\n

\"Circuit<\/p>\n

Using delta-star transformation circuit of above figure can be reduced as shown below in figure.<\/p>\n

\"Delta<\/p>\n

Using star-delta transformation above figure can be reduced to below figure as shown below.<\/p>\n

\"<\/p>\n

The power angle curve for the three different cases, i.e., before fault (prefault), during fault and post fault are respectively shown below in figure.<\/p>\n

\"Critical<\/p>\n

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Let us consider a single machine tied to infinite bus through two parallel lines as shown below in figure. Let<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1221,5],"tags":[1266,1262,1267,1258],"class_list":["post-4414","post","type-post","status-publish","format-standard","hentry","category-power-generation-concepts","category-ee","tag-circuit-breaker","tag-critical-clearing-angle","tag-delta-star-transformation","tag-power-angle-curve"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/4414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/comments?post=4414"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/4414\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=4414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=4414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=4414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}