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{"id":1451,"date":"2020-03-04T10:37:37","date_gmt":"2020-03-04T07:37:37","guid":{"rendered":"https:\/\/maxwellmuhendislik.com.tr\/?p=1451"},"modified":"2021-01-31T21:51:29","modified_gmt":"2021-01-31T18:51:29","slug":"orta-gerilim-hucreleri","status":"publish","type":"post","link":"https:\/\/maxwellmuhendislik.com.tr\/2020\/03\/04\/orta-gerilim-hucreleri\/","title":{"rendered":"Orta Gerilim H\u00fccreleri nin Kurulum Prosed\u00fcrleri"},"content":{"rendered":"
Orta Gerilim (OG) H\u00fccreleri nin Kurulumu<\/h2>
Orta gerilim (OG)\u00a0h\u00fccreleri nin kurulumuna ba\u015flamadan \u00f6nce t\u00fcm ba\u011flant\u0131lar\u0131n baralarla ve ana ve yard\u0131mc\u0131 devrelerle s\u0131k\u0131 bir \u015fekilde oldu\u011fundan emin olun, bunun i\u00e7in dikkatlice kontrol edin. Yal\u0131t\u0131m\u0131 da\u00a0dikkatlice inceleyin, \u00e7\u00fcnk\u00fc bu \u00f6nlemin uyulmamas\u0131 nedeniyle ba\u011flant\u0131lar\u0131n yand\u0131\u011f\u0131 durumlar s\u00f6z konusu olmu\u015ftur.<\/p>
Bozuk imal edilmi\u015f paneller, k\u0131r\u0131k saya\u00e7 cam\u0131 ve hasar g\u00f6ren ambalaj kutular\u0131 gibi belirgin hatalar tespit edilmeli ve hasar\u0131 d\u00fczeltmek veya h\u00fccreyi tedarik\u00e7iye geri iade etmek i\u00e7in acil ad\u0131mlar at\u0131lmal\u0131d\u0131r.<\/strong><\/p><\/blockquote>
Montajdan sonra, h\u00fccrenin nem, toz veya ge\u00e7ici hasar nedeniyle bozulmas\u0131n\u0131 \u00f6nlemeye y\u00f6nelik ad\u0131mlar at\u0131lmal\u0131d\u0131r. Trafo merkezleri temizlenmeli ve h\u0131zl\u0131 bir \u015fekilde kilitlenmeli ve h\u00fccre kurulumundan sonra TM OG h\u00fccre odas\u0131 bir at\u00f6lye gibi kullan\u0131lmamal\u0131d\u0131r.<\/p>
T\u00fcm montaj ve birle\u015ftirme \u00e7al\u0131\u015fmalar\u0131 tamamland\u0131\u011f\u0131nda, geride kalm\u0131\u015f olan kablo, yedek somunlar, pullar ve bak\u0131r teller toplanmal\u0131 ve birikmi\u015f tozlar iyice temizlenmelidir. Orta gerilim h\u00fccreleri ayr\u0131nt\u0131l\u0131 incelenmeli ve herhangibir civata pul somun yada ekipman i\u00e7erisinde unutulmamal\u0131d\u0131r. Aksi taktirde istenmeyen sonu\u00e7larla kar\u015f\u0131la\u015fabiliriz.<\/p>
Trafo merkezinin elle temizlenmesi ve vakumlanmas\u0131 en g\u00fczelidir.<\/strong><\/p>
Unutulmamas\u0131 gereken \u00f6nemli bir husus da, \u00f6zellikle hareket eden par\u00e7alardaki t\u00fcm ambalajl\u0131 malzemelerin \u00e7\u0131kar\u0131lmas\u0131 ve tabii ki ya\u011fl\u0131 devre kesicilerinin ilk kez ger\u00e7ekle\u015ftirilen su i\u00e7ermeyen ya\u011f dolumunun do\u011fru bir \u015fekilde sa\u011flad\u0131\u011f\u0131ndan emin olun (e\u011fer bu \u00e7e\u015fit Kesiciler varsa).<\/p>
H\u00fccrelerin kurulumunda a\u015fa\u011f\u0131daki hususlara dikkat edilmelidir.<\/strong><\/p>
\u00c7elik kanallar\u0131n kullan\u0131ld\u0131\u011f\u0131 yerlerde, bunlar\u0131n 3 m’de yakla\u015f\u0131k \u00b1 1 mm hassasiyette d\u00fczg\u00fcn bir \u015fekilde d\u00f6\u015fenmesini sa\u011flay\u0131n. Zemin malzemelerinin kirlenmesini \u00f6nlemek i\u00e7in maskeleme \u015feridi kullan\u0131n. \u00dcreticinin montaj talimatlar\u0131n\u0131 okuyun ve uygulay\u0131n ve somunlar\u0131n uygun \u015fekilde s\u0131k\u0131lmas\u0131 i\u00e7in tork anahtar\u0131 gibi do\u011fru aletleri kullan\u0131n.<\/p>
H\u00fccrenin d\u00fczg\u00fcn hizaland\u0131\u011f\u0131ndan emin olun. Bu, hem uzunlamas\u0131na hem de yanal do\u011frultuda dikey ve yatay olarak do\u011fru hizalanmas\u0131d\u0131r.<\/p>
Hatal\u0131 hizalama mekanik ba\u011flant\u0131lar\u0131n ve kablo ba\u011flant\u0131lar\u0131n\u0131n do\u011fru bir \u015fekilde yap\u0131lmas\u0131nda, devre kesicilerin ve di\u011fer \u00e7\u0131kart\u0131labilen par\u00e7alar\u0131n \u00e7\u0131kar\u0131lmas\u0131nda ve de\u011fi\u015ftirilmesinde zorluklara neden olur ve baralar ve toprak baralar\u0131 gibi ara ba\u011flant\u0131lara da ekstra bask\u0131 uygulanmas\u0131na sebep olur.<\/p>
“Bu sorunu GE OG H\u00fccrelerinin kurulumunda ya\u015fad\u0131m, h\u00fccrelerin do\u011fru bir \u015fekilde ve d\u00fcz bir zeminde hizalanmas\u0131 mekanik montajlar\u0131n\u0131 kolayla\u015ft\u0131r\u0131rken kesicilerin de rahat bir \u015fekilde test ve servis moduna getirilmesinde kolayl\u0131k sa\u011flar, aksi durumda \u00e7e\u015fitli zorlamalardan kaynakl\u0131 mekanik ar\u0131zalarla kar\u015f\u0131la\u015fmak \u00e7ok olas\u0131d\u0131r ki kar\u015f\u0131la\u015ft\u0131m da:)”<\/p><\/blockquote>
Zemin d\u00f6\u015fenirken ve \u00e7elik takma kanallar\u0131 olmad\u0131\u011f\u0131nda, zemin \u00f6nden arkaya d\u00fcz olmal\u0131d\u0131r ve h\u00fccreler aras\u0131 mesafe bir milimetreden daha fazla de\u011fi\u015fmemelidir. Zemin d\u00f6\u015fenirken, kurulum s\u0131ras\u0131nda kat\u0131 zeminden kesilmesine mani olmak i\u00e7in temel deli\u011fi konumlar\u0131na cepler olu\u015fturmak yayg\u0131n bir uygulamad\u0131r.<\/p>
Zemin, tesisat\u0131n kablo kanallar\u0131na, bina duvarlar\u0131na ve di\u011fer ekipmanlara g\u00f6re do\u011fru yerle\u015ftirildi\u011finden emin olmak i\u00e7in genellikle imalat\u00e7\u0131 taraf\u0131ndan sa\u011flanan h\u00fccre montaj \u00e7izimlerine uygun olarak i\u015faretlenmelidir. Bir referans \u00e7izgisi, genellikle arka temel c\u0131vatalar\u0131 boyunca olu\u015fturulmal\u0131d\u0131r; ve normal geometrik y\u00f6ntemlerle temel c\u0131vata delikleri bulunabilir. <\/p>
H\u00fccrelerin konumland\u0131r\u0131lmas\u0131, h\u00fccre b\u00fcy\u00fckl\u00fc\u011f\u00fc, bina konumu, saha eri\u015filebilirli\u011fi ve mevcut kald\u0131rma tekni\u011fi gibi bir tak\u0131m fakt\u00f6rlere ba\u011fl\u0131d\u0131r. Kald\u0131rma g\u00f6zleri ya panolara dahil edilir ya da \u00f6nceden i\u015flenmi\u015f deliklere vidalanabilir, ancak genellikle halatla \u00e7ekmek gereklidir ve bu kesinlikle imalat\u00e7\u0131n\u0131n tavsiyeleri do\u011frultusunda yap\u0131lmal\u0131d\u0131r.<\/p>
Bununla birlikte, vin\u00e7 kullanmadan, krikolar ve silindir \u00e7ubuklar\u0131 kullanan geleneksel manuel y\u00f6ntemler etkili olmaktad\u0131r.<\/p>
Bu insan eliyle kald\u0131rma i\u015flemi s\u0131ras\u0131nda kontrol kollar\u0131 gibi zay\u0131f k\u0131s\u0131mlara bask\u0131 uygulamak konusunda dikkatli olunmal\u0131d\u0131r. H\u00fccrelerin pozisyonlanmas\u0131, m\u00fcmk\u00fcn oldu\u011funca erken kurularak panolar\u0131n merkezinin yak\u0131n\u0131nda ba\u015flamal\u0131 ve herhangi bir \u00f6zel hazne veya kanal ile ili\u015fkilendirilmelidir.<\/p>
Yan muhafazalar\u0131n dik oldu\u011fundan ve her iki ray d\u00fczl\u00fc\u011f\u00fcn\u00fcn her iki d\u00fczlemde de d\u00fcz oldu\u011fundan emin olmak i\u00e7in birinci muhafaza yerle\u015ftirilmeli ve kontrol edilmelidir. \u0130lk muhafaza paneli do\u011fru \u015fekilde ayarland\u0131\u011f\u0131nda, \u00f6n panoya k\u0131r\u0131lmam\u0131\u015f bir \u00e7izgi yapmak i\u00e7in kalan panolar\u0131n ard\u0131\u015f\u0131k olarak bu panelin di\u011fer yanlar\u0131na yerle\u015ftirilmesi gerekir.<\/p>
Kabinetlerin dikey ve yatay olarak do\u011fru oldu\u011fundan emin olmak i\u00e7in gerekli olan kan\u0131tlar ne olursa olsun, biti\u015fik muhafazalar, do\u011fru \u015fekilde hizaland\u0131ktan sonra birlikte c\u0131vata ile yerle\u015ftirilmelidir. Tespit c\u0131vatalar\u0131, temel deliklerine yerle\u015ftirilmeli ve \u00e7imentonun s\u0131k\u0131lmas\u0131 i\u00e7in yeterli s\u00fcre b\u0131rak\u0131larak \u00e7imentolanmal\u0131d\u0131r.<\/p>
Kablo ve di\u011fer ba\u011flant\u0131lar\u0131n kontrol\u00fc<\/h2>
Siemens Metal-Clad H\u00fccre Sistemi: SIMOSEC – Kanal kablo ba\u011flant\u0131s\u0131<\/p><\/figure>
Uzak u\u00e7lardaki ba\u011flant\u0131lar\u0131n do\u011frulu\u011funun test edilmesi de dahil olmak \u00fczere, gelen ve giden t\u00fcm devre ve yard\u0131mc\u0131 kablolar\u0131n daha ayr\u0131nt\u0131l\u0131 bir incelemesi yap\u0131lmal\u0131d\u0131r; bu, dahili ve yard\u0131mc\u0131 ba\u011flant\u0131lar da dahil olmak \u00fczere t\u00fcm kablolar\u0131n ve kablolar\u0131n izolasyon direncini ve s\u00fcreklili\u011fini \u00f6l\u00e7meyi i\u00e7ermelidir.<\/p>
Gerekti\u011finde, \u00fc\u00e7 fazl\u0131 s\u00fcr\u00fcc\u00fcler(r\u00f6leler) enerjilendirilmeden \u00f6nce faz rotasyon kontrolleri <\/strong>yap\u0131lmal\u0131d\u0131r.T\u00fcm hareketli par\u00e7alar\u0131n etkin oldu\u011fundan emin olmak i\u00e7in kontrollar de yap\u0131lmal\u0131d\u0131r<\/p>
Dashpot’lar, do\u011fru s\u0131v\u0131 seviyesine g\u00f6re do\u011fru seviyeye kadar doldurulmal\u0131 ve ikincil veya birincil enjeksiyon testleri ile saya\u00e7lar\u0131n ve r\u00f6lelerin \u00e7al\u0131\u015fmas\u0131 ve do\u011frulu\u011fu kontrol edilmelidir<\/p>
T\u00fcm ayarlar konusunda m\u00fc\u015fterinin m\u00fchendisleriyle mutab\u0131k kalmal\u0131d\u0131r.<\/strong><\/p>
T\u00fcm kablo kutular\u0131 d\u00fczg\u00fcn bir \u015fekilde doldurulmal\u0131 ve bile\u015fik doldurma a\u011f\u0131zlar\u0131 kapat\u0131lm\u0131\u015f olmal\u0131d\u0131r. T\u00fcm izolat\u00f6rler ve a\u011f\u0131zlar temiz ve kuru olmal\u0131 ve plakalar\u0131n t\u00fcm vidalar\u0131 s\u0131k\u0131ca vidalanarak s\u0131k\u0131\u015ft\u0131r\u0131lmal\u0131 ve havaland\u0131rma delikleri engellenmemelidir. H\u00fccrenin \u00fcst k\u0131sm\u0131nda kir ve \u00e7\u00f6p bulunmad\u0131\u011f\u0131ndan da emin olun.<\/p>
Terminallere gelen ve giden t\u00fcm kablo ba\u011flant\u0131lar\u0131 i\u00e7in son bir kontrol yap\u0131lmas\u0131, bunlar\u0131n s\u0131k\u0131 olduklar\u0131n\u0131 ve yeterli a\u00e7\u0131kl\u0131\u011fa sahip olmalar\u0131n\u0131 sa\u011flar.<\/p>
Daha sonra y\u00fcksek voltaj testi uygun h\u00fccre \u015fartnamesinde belirtilen test \u015fekillerine g\u00f6re yap\u0131labilir veya testlere tan\u0131kl\u0131k etmesi ve test sonu\u00e7lar\u0131n\u0131 imzalamas\u0131 gereken m\u00fc\u015fteri m\u00fchendisleri taraf\u0131ndan belirtildi\u011fi \u015fekilde ger\u00e7ekle\u015ftirilebilir.<\/p>
Testten sonra test i\u00e7in \u00e7\u0131kar\u0131lan kapaklar\u0131n c\u0131vatalar\u0131n\u0131 s\u0131kmadan \u00f6nce herhangi bir statik elektri\u011fi bo\u015faltmak ve test ba\u011flant\u0131lar\u0131n\u0131 \u00e7\u0131karmak i\u00e7in \u00f6nlemler al\u0131nmal\u0131d\u0131r. Enerji vermeden \u00f6nce, t\u00fcm devre kesicilerin ve r\u00f6lelerin \u00e7al\u0131\u015fmas\u0131, manuel ve elektriksel olarak teyit edilmelidir; bu sayede herhangi bir yap\u0131\u015fma veya ar\u0131za bulunmad\u0131\u011f\u0131ndan emin olunmal\u0131d\u0131r. Elle a\u00e7ma ve kapatma i\u015flemleri ile a\u015f\u0131r\u0131 ak\u0131m r\u00f6lelerinin ve ka\u00e7ak ak\u0131m koruma cihazlar\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131na \u00f6zellikle dikkat edilmelidir.<\/p>
Hayatta Kalmak<\/h2>
H\u00fccre servis d\u0131\u015f\u0131 oldu\u011funda, hizmet d\u0131\u015f\u0131 olan t\u00fcm devreler her iki u\u00e7ta da kilitlenmeli ve g\u00fcvenlik i\u015fletme usulleri benimsenmelidir.<\/p>
T\u00fcm kilitleme i\u015flemleri yetkili bir ki\u015fi taraf\u0131ndan yap\u0131lmal\u0131d\u0131r.<\/p>
Trafo Merkezi giri\u015f ve acil durum kap\u0131lar\u0131 \u00e7al\u0131\u015f\u0131r durumda olmal\u0131 ve a\u00e7\u0131k olmal\u0131 ve engellenmemelidir.<\/li>
H\u00fccre \u00e7al\u0131\u015fmaya ba\u015flad\u0131\u011f\u0131nda TM OG h\u00fccre odalar\u0131 kilitli tutulmal\u0131 ve yaln\u0131zca yetkili personele s\u0131n\u0131rland\u0131r\u0131lmal\u0131d\u0131r.<\/li>
Tehlike, Emniyet, \u015eok kartlar\u0131 ve yasal bildirimler dikkat \u00e7ekici \u015fekilde g\u00f6sterilmelidir ve etiketlenmelidir.<\/li>
Kumanda panosunu \u00e7al\u0131\u015ft\u0131rmak i\u00e7in gerekli aletler, ekipman\u0131n yan\u0131nda uygun raflar veya dolaplarda saklanmal\u0131d\u0131r.<\/li>
Devre ve kilitleme anahtarlar\u0131 yetkili personelin kontrol\u00fc alt\u0131ndaki \u00f6zel dolaplarda bulunmal\u0131 ve yedek anahtarlar\u0131n sistemin g\u00fcvenli\u011fini durdurmas\u0131na izin verilmemelidir.<\/li>
Ak\u00fcler ilk \u015farj\u0131 ald\u0131klar\u0131ndan ve elektrolitin do\u011fru seviyede ve uygun \u00f6zg\u00fcl a\u011f\u0131rl\u0131klarda oldu\u011fundan emin olmak i\u00e7in bak\u0131mlar\u0131 ve kontrolleri d\u00fczg\u00fcn yap\u0131lmal\u0131d\u0131r.<\/li>
Yang\u0131nla m\u00fccadele \u015fart\u0131 kontrol edilmelidir ve e\u011fer CO2 s\u00f6z konusu ise, g\u00fcvenlik kilitleme prosed\u00fcr\u00fcn\u00fcn, trafo merkezine girme yetkisi olan personel taraf\u0131ndan anla\u015f\u0131ld\u0131\u011f\u0131ndan emin olunmal\u0131d\u0131r.<\/li>
Herhangi bir yabanc\u0131y\u0131 yanl\u0131\u015fl\u0131kla bo\u011fulmaktan korumak i\u00e7in harici uyar\u0131 bildirimleri d\u00fczeltilmelidir.<\/li><\/ol>