{"id":111,"date":"2020-07-18T12:57:37","date_gmt":"2020-07-18T12:57:37","guid":{"rendered":"http:\/\/www.misirliogullari.com\/?p=111"},"modified":"2020-07-18T12:59:08","modified_gmt":"2020-07-18T12:59:08","slug":"111","status":"publish","type":"post","link":"https:\/\/www.misirliogullari.com\/index.php\/2020\/07\/18\/111\/","title":{"rendered":"Elektrik Tesislerinde Sigorta Se\u00e7imi"},"content":{"rendered":"\n<p>Elektrik tesislerinde ak\u0131m\u0131n istenmeyen bir seviyeye y\u00fckselmesi durumunda devreyi a\u00e7an bir elemand\u0131r. Elektrik tesislerinde sigortalar bilin\u00e7li olarak b\u0131rak\u0131lan zay\u0131f noktalard\u0131r. Bir ar\u0131za durumunda bu zay\u0131f nokta atarak tesis enerjisiz kal\u0131r. Sigortalar a\u015f\u0131r\u0131 y\u00fcklenme ve k\u0131sa devrelere kar\u015f\u0131 tesisi korurlar. Ayr\u0131ca sigortalar\u0131n anma ak\u0131m\u0131, kablo iletken s\u0131cakl\u0131\u011f\u0131n\u0131n 70&nbsp;C deki ta\u015f\u0131d\u0131\u011f\u0131 ak\u0131m de\u011ferinin a\u015fmamal\u0131d\u0131r.<\/p>\n\n\n\n<p>Elektrik enerjisine olan talep g\u00fcnbeg\u00fcn s\u00fcrekli artmaktad\u0131r. \u00c7\u0131kan yang\u0131nlar\u0131n b\u00fcy\u00fck bir k\u0131sm\u0131 elektrik k\u00f6kenlidir. Yang\u0131nlar epeycene bir k\u0131sm\u0131 &nbsp;yanl\u0131\u015f sigorta se\u00e7iminden kaynaklanmaktad\u0131r. Sigorta amperi gere\u011finden b\u00fcy\u00fck se\u00e7ildi\u011finde devreyi kesmesi gerekirken kesmez bunun sonucunda a\u015f\u0131r\u0131 \u0131s\u0131nma sonucunda &nbsp;yang\u0131nlar olu\u015fur. Sigortalar\u0131n se\u00e7iminin incelendi\u011fi bu \u00e7al\u0131\u015fman\u0131n sonucunda a\u015fa\u011f\u0131daki \u00f6nerilerde bulunulabilir.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>I\u015f\u0131k linyelerinde normal tip sigorta &nbsp;yerine gecikmeli tip sigorta &nbsp;kullan\u0131l\u0131rsa elektrikli cihazlar bir ar\u0131za durumunda hasar g\u00f6r\u00fcrler. Gene motor devrelerinde gecikmeli tip sigorta yerine normal tip sigorta se\u00e7ildi\u011finde motor yol alma s\u00fcresi i\u00e7inde sigortalar devreyi keserler.<\/li><li>Sigorta ak\u0131m\u0131 y\u00fck\u00fcn \u00e7ekece\u011fi hat ak\u0131m\u0131na e\u015fit veya daha b\u00fcy\u00fck olmal\u0131d\u0131r. Aksi taktirde sigorta zamans\u0131z devreyi acar.<\/li><li>Sigortan\u0131n hatt\u0131n ta\u015f\u0131yaca\u011f\u0131 nominal ak\u0131ma g\u00f6re se\u00e7ilmesi durumunda sigorta ak\u0131m\u0131 hatt\u0131n ta\u015f\u0131yaca\u011f\u0131 nominal ak\u0131m de\u011ferinden k\u00fc\u00e7\u00fck olmal\u0131d\u0131r.<\/li><li>\u0130letken kesitinin de\u011fi\u015fti\u011fi yerlere mutlak surette sigorta konmal\u0131d\u0131r.<\/li><li>Koruma tedbirleri ba\u015fta l\u00fczumsuz bir harcama gibi g\u00f6z\u00fck\u00fcr. Bir ar\u0131za durumunda sistemin zarar g\u00f6rmeden korunmas\u0131 yap\u0131lan harcamalar\u0131n hakl\u0131l\u0131\u011f\u0131n\u0131 ortaya koyar.<\/li><li>G\u00fcn\u00fcm\u00fczde harmonik kaynaklar\u0131n art\u0131\u015f\u0131 g\u00f6z \u00f6n\u00fcnde bulundurularak, kompanzasyon tesislerinde kullan\u0131lan sigortalar nominal ak\u0131m\u0131n 1.7 kat\u0131 kadar se\u00e7ilmelidir. Gene sigortalar at\u0131yorsa tesiste kuvvetli dereceden harmonikler bulunmaktad\u0131r. Harmonikleri yok edecek filtre devreler mutlak surette kullan\u0131lmal\u0131d\u0131r.<\/li><li>Selektivite bir devrede sigortalar\u0131n anma ak\u0131mlar\u0131na g\u00f6re en k\u00fc\u00e7\u00fckten en b\u00fcy\u00fc\u011fe do\u011fru s\u0131ralanmalar\u0131d\u0131r.Selektiviteden ama\u00e7 ar\u0131zaya en yak\u0131n sigortan\u0131n devreyi kesmesini temin etmektir. IEC standard\u0131n\u0131n eriyen telli sigortalar i\u00e7in koydu\u011fu selektivite oran\u0131 \u00bd dir. Kaynaktan , \u015febeke u\u00e7lar\u0131na gidildik\u00e7e kablo kesit de\u011fi\u015fimlerinde sigorta nominal ak\u0131mlar\u0131 \u00bd oran\u0131nda de\u011fi\u015fecektir.<\/li><li>Sigortalar\u0131n ba\u011flant\u0131 noktalar\u0131ndaki temas diren\u00e7leri en aza indirilmelidir.<\/li><\/ul>\n\n\n\n<p>Yaz\u0131n\u0131n Devam\u0131 \u0130\u00e7in&nbsp;<strong><em><a href=\"http:\/\/www.misirliogullari.com\/wp-content\/uploads\/2020\/07\/Elektrik-tesislerinde-sigorta-se\u00e7imi.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">TIKLAYINIZ<\/a><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elektrik tesislerinde ak\u0131m\u0131n istenmeyen bir seviyeye y\u00fckselmesi durumunda devreyi a\u00e7an bir elemand\u0131r. Elektrik tesislerinde sigortalar bilin\u00e7li olarak b\u0131rak\u0131lan zay\u0131f noktalard\u0131r. Bir ar\u0131za durumunda bu zay\u0131f&#8230;<\/p>\n","protected":false},"author":1,"featured_media":112,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-misir","wpcat-1-id"],"_links":{"self":[{"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/posts\/111"}],"collection":[{"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/comments?post=111"}],"version-history":[{"count":2,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/posts\/111\/revisions"}],"predecessor-version":[{"id":114,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/posts\/111\/revisions\/114"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/media\/112"}],"wp:attachment":[{"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.misirliogullari.com\/index.php\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}