{"id":1672,"date":"2025-12-03T16:36:33","date_gmt":"2025-12-03T08:36:33","guid":{"rendered":"https:\/\/www.northpwr.cn\/?p=1672"},"modified":"2025-12-03T16:37:20","modified_gmt":"2025-12-03T08:37:20","slug":"the-reason-for-the-heating-up-of-the-high-voltage-switchgear-when-it-is-energized","status":"publish","type":"post","link":"https:\/\/www.northpwr.cn\/tr\/industry-news\/the-reason-for-the-heating-up-of-the-high-voltage-switchgear-when-it-is-energized\/","title":{"rendered":"Y\u00fcksek gerilim \u015falterinin enerjiye ba\u011fland\u0131\u011f\u0131nda \u0131s\u0131nmas\u0131n\u0131n nedeni"},"content":{"rendered":"<div class=\"e_richText-63 s_title clearfix response-transition\">\n<p>Y\u00fcksek gerilim \u015falter cihazlar\u0131yla k\u0131sa bir tan\u0131\u015fma yapt\u0131ktan sonra, y\u00fcksek gerilim \u015falter cihazlar\u0131n\u0131n enerjiye ba\u011fland\u0131\u011f\u0131nda neden \u0131s\u0131nd\u0131\u011f\u0131n\u0131 \u00f6\u011frenelim; merak ediyor musunuz bilmiyorum? Sizlere en kaliteli hizmeti sunmaya kendimizi adad\u0131k, hadi bir bakal\u0131m.<\/p>\n<p>(1) Farkl\u0131 metallerin genle\u015fme etkileri farkl\u0131d\u0131r. \u00c7elik c\u0131vatalar\u0131n metal genle\u015fme katsay\u0131s\u0131 bak\u0131r ve al\u00fcminyum ana bantlar\u0131nkinden \u00e7ok daha k\u00fc\u00e7\u00fckt\u00fcr; \u00f6zellikle c\u0131vata tipi ekipman ba\u011flant\u0131lar\u0131, \u00e7al\u0131\u015fma s\u0131ras\u0131nda y\u00fck ak\u0131m\u0131 ve s\u0131cakl\u0131k de\u011fi\u015fti\u011finde, al\u00fcminyum veya bak\u0131r ile demirin genle\u015fme ve daralma dereceleri farkl\u0131la\u015f\u0131r ve s\u00fcz\u00fclme ger\u00e7ekle\u015fir; yani metalin stres etkisi alt\u0131nda yava\u015f plastik deformasyonu, bu s\u00fcz\u00fclme s\u00fcreci de ba\u011flant\u0131 noktas\u0131ndaki s\u0131cakl\u0131\u011fa olduk\u00e7a ba\u011fl\u0131d\u0131r. Uygulamada kan\u0131tlanm\u0131\u015ft\u0131r ki, ba\u011flant\u0131 noktas\u0131ndaki \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 80\u00b0C'yi a\u015ft\u0131\u011f\u0131nda, ba\u011flant\u0131 metalinin a\u015f\u0131r\u0131 \u0131s\u0131nmadan dolay\u0131 genle\u015fmesi sonucunda temas y\u00fczeyi yerinden kayar, k\u00fc\u00e7\u00fck bo\u015fluklar olu\u015fur ve oksitlenmeye yol a\u00e7ar. Y\u00fck ak\u0131m\u0131 azald\u0131\u011f\u0131nda ve s\u0131cakl\u0131k eski temas konumuna geri d\u00f6nd\u00fc\u011f\u00fcnde, temas y\u00fczeyindeki oksit filminin varl\u0131\u011f\u0131 nedeniyle, orijinal montaj s\u0131ras\u0131nda metaller aras\u0131nda do\u011frudan temas sa\u011flanamaz. S\u0131cakl\u0131k de\u011fi\u015fimlerinin her d\u00f6ng\u00fcs\u00fcnde temas direncinin artmas\u0131, sonraki d\u00f6ng\u00fcn\u00fcn \u0131s\u0131nlmas\u0131n\u0131 art\u0131r\u0131r; artan s\u0131cakl\u0131k ise ba\u011flant\u0131 noktas\u0131n\u0131n \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131 daha da k\u00f6t\u00fcle\u015ftirerek, b\u00f6ylece k\u0131s\u0131r bir d\u00f6ng\u00fc olu\u015fturur.<\/p>\n<p>(2) Tip testinin \u00f6l\u00e7\u00fclen verileri genellikle laboratuvarda tamamlan\u0131r ve s\u00fcre uzun de\u011fildir, genellikle 8 saati ge\u00e7mez; bunun s\u0131cakl\u0131k art\u0131\u015f\u0131n\u0131n k\u00fcm\u00fclatif etkisi yoktur ve uzun s\u00fcreli \u00e7al\u0131\u015fma ile s\u00fcrekli \u0131s\u0131tma ekipmanlar\u0131yla e\u015fitlenebilir de\u011fildir.<\/p>\n<p>(3) Ba\u011flant\u0131 b\u00f6l\u00fcm\u00fcndeki sabitleme c\u0131vatalar\u0131n\u0131n uygun olmayan bas\u0131nc\u0131. Baz\u0131 kurucular veya bak\u0131m personeli, iletken ba\u011flant\u0131s\u0131nda ba\u011flant\u0131 c\u0131vatalar\u0131 ne kadar s\u0131k\u0131ca s\u0131ksalar o kadar iyi oldu\u011funu d\u00fc\u015f\u00fcn\u00fcrler; ancak asl\u0131nda durum b\u00f6yle de\u011fildir. \u00d6zellikle al\u00fcminyum ana bant i\u00e7in elastiklik katsay\u0131s\u0131 k\u00fc\u00e7\u00fckt\u00fcr; somunun bas\u0131nc\u0131 belirli bir kritik de\u011ferine ula\u015ft\u0131\u011f\u0131nda, malzemenin mukavemeti zay\u0131fsa ve uygun olmayan bas\u0131n\u00e7 artmaya devam ederse, temas y\u00fczeyi k\u0131smen deformeye u\u011frar ve y\u00fckselir; bunun sonucunda temas alan\u0131 azal\u0131r, temas direnci artar ve iletkenin temas etkisi bozulur. Se\u00e7ilen iletken malzemelerin iletkenli\u011fi gereksinimleri kar\u015f\u0131lamaz ve bunlar\u0131n \u00e7o\u011fu iletken ham maddelerinin yetersiz safl\u0131\u011f\u0131ndand\u0131r.<\/p>\n<p>(4) Yerindeki di\u011fer fakt\u00f6rler, \u00f6rne\u011fin uygun olmayan kurulum ve bak\u0131m prosed\u00fcrleri; mesela ana bant\u0131n i\u015flenme, ba\u011flant\u0131 ve montaj s\u00fcrecinde, ana bant\u0131n temas y\u00fczeyi yerinde de\u011fil, d\u00fczensiz, p\u00fcr\u00fczl\u00fc ve \u00f6zel g\u00fc\u00e7 ya\u011flar\u0131 uygulanmam\u0131\u015ft\u0131r vb.; bunun sonucunda etkin temas alan\u0131 azal\u0131r, temas direnci artar ve \u0131s\u0131n\u0131r.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Y\u00fcksek gerilim \u015falter cihazlar\u0131yla k\u0131sa bir tan\u0131\u015fma yapt\u0131ktan sonra, y\u00fcksek gerilim \u015falter cihaz\u0131n\u0131n enerjiye ba\u011fland\u0131\u011f\u0131nda \u0131s\u0131nmas\u0131n\u0131n nedenlerini \u00f6\u011frenelim; bunun sizin i\u00e7in ilgi \u00e7ekici olup olmad\u0131\u011f\u0131n\u0131 bilmiyorum? Sizlere en kaliteli hizmeti sunmaya kendimizi adad\u0131k, hadi bir bakal\u0131m. (1) [...]nin genle\u015fme etkisi<\/p>","protected":false},"author":2,"featured_media":1676,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","footnotes":""},"categories":[67],"tags":[],"class_list":["post-1672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/posts\/1672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/comments?post=1672"}],"version-history":[{"count":1,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/posts\/1672\/revisions"}],"predecessor-version":[{"id":1675,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/posts\/1672\/revisions\/1675"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/media\/1676"}],"wp:attachment":[{"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/media?parent=1672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/categories?post=1672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.northpwr.cn\/tr\/wp-json\/wp\/v2\/tags?post=1672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}