{"id":4596,"date":"2026-10-22T06:52:41","date_gmt":"2026-10-22T06:52:41","guid":{"rendered":"https:\/\/huyuglobal.com\/?p=4596"},"modified":"2026-10-22T06:52:43","modified_gmt":"2026-10-22T06:52:43","slug":"what-is-overload-protection","status":"publish","type":"post","link":"https:\/\/huyuglobal.com\/tr\/blog\/what-is-overload-protection\/","title":{"rendered":"A\u015f\u0131r\u0131 Y\u00fck Korumas\u0131 Nedir ve Hangi Cihaz Ger\u00e7ekten Sa\u011flar?"},"content":{"rendered":"

Bir konvey\u00f6r kay\u0131\u015f\u0131 tak\u0131l\u0131r. Motor, sadece 32 amper olarak derecelendirilmi\u015f devreden 90 saniye boyunca 38 amper \u00e7ekerken biri onu tamir etmeye gider. Her \u015fey sa\u011flamd\u0131r. Devre kesici ve t\u00fcm kontaklar\u0131 da sa\u011flamd\u0131r. Bobin, motor plakas\u0131nda belirtilen s\u0131n\u0131rdan 40 derece Celsius daha y\u00fcksek bir s\u0131cakl\u0131\u011fa y\u00fckselmesine ra\u011fmen, izolasyon zarar g\u00f6r\u00fcr ve 3 hafta i\u00e7inde yanar. Su\u00e7lu bir elektrik m\u00fchendisi olarak g\u00f6r\u00fcl\u00fcr. Yeni bir motor sat\u0131n al\u0131n\u0131r. 3 ay i\u00e7inde ba\u015fka bir ar\u0131za meydana gelir.<\/p>\n

\u201cG\u00fc\u00e7 t\u00fcketimi \u00e7ok fazlayd\u0131\u201d ve \u201cdevre korumas\u0131 \u00e7al\u0131\u015ft\u0131\u201d ifadeleri aras\u0131ndaki mesafe, jenerat\u00f6rlerin geli\u015ftirilme amac\u0131n\u0131 tam olarak kar\u015f\u0131layan mesafedir. Bu mesafeyi i\u00e7eren durumlar, motor koruma elemanlar\u0131n\u0131n yanl\u0131\u015f montaj\u0131 ve ayar\u0131n\u0131n en yayg\u0131n g\u00f6r\u00fclen durumlar\u0131 aras\u0131ndad\u0131r.<\/p>\n

H\u0131zl\u0131 cevaba g\u00f6re, a\u015f\u0131r\u0131 y\u00fck korumas\u0131, motoru nominal \u00e7al\u0131\u015fma s\u0131n\u0131r\u0131n\u0131n \u00fczerinde ancak k\u0131sa devre de\u011ferinin alt\u0131nda uzun s\u00fcreli ak\u0131mdan koruyan ters zamanl\u0131 bir koruma t\u00fcr\u00fcd\u00fcr. Bu t\u00fcr koruma, termal a\u015f\u0131r\u0131 y\u00fck r\u00f6lesi, elektronik a\u015f\u0131r\u0131 y\u00fck r\u00f6lesi, motor koruma devre kesicisi veya kal\u0131pl\u0131 devre kesici i\u00e7indeki termal eleman taraf\u0131ndan sa\u011flan\u0131r. Zamanlamalar IEC 60947-4-1 standard\u0131na g\u00f6re 10A, 10, 20 ve 30 s\u0131n\u0131flar\u0131 kullan\u0131larak belirlenir ve ayar \u00fcst s\u0131n\u0131r\u0131 NEC 430.32 taraf\u0131ndan belirlenir. HUYU, motor ba\u015flatmalar\u0131nda bu i\u015flevi yerine getirmek i\u00e7in ExQ7 elektromanyetik kontakt\u00f6rler, ExC7 kontakt\u00f6rler ve ExM3 kal\u0131pl\u0131 devre kesiciler \u00fcretmektedir.<\/p><\/blockquote>\n

A\u015f\u0131r\u0131 Y\u00fck Korumas\u0131n\u0131n Kapsad\u0131\u011f\u0131 ve Kapsamad\u0131\u011f\u0131 Durumlar<\/h2>\n

Genellikle kar\u0131\u015ft\u0131r\u0131lan \u00fc\u00e7 t\u00fcr ar\u0131za vard\u0131r. K\u0131sa devre, kiloamper cinsinden \u00f6l\u00e7\u00fclen ve sadece milisaniyeler s\u00fcren anl\u0131k bir ar\u0131zad\u0131r. Toprak ar\u0131zas\u0131, ar\u0131za ak\u0131m\u0131n\u0131n topra\u011fa gitmesi durumudur ve RCD veya GFCI taraf\u0131ndan korunur. A\u015f\u0131r\u0131 y\u00fck ise bu iki kategori aras\u0131nda yer al\u0131r; ak\u0131m normalden biraz fazla ve uzun s\u00fcreli oldu\u011funda ger\u00e7ekle\u015fir.<\/p>\n

Ancak, farklar insanlar\u0131n d\u00fc\u015f\u00fcnd\u00fc\u011f\u00fcnden \u00e7ok daha k\u00fc\u00e7\u00fckt\u00fcr. 32 A\u2019lik bir motor 36 A ile \u00e7al\u0131\u015f\u0131yorsa ,5 a\u015f\u0131r\u0131 y\u00fcke sahiptir, bu s\u0131cak bir yaz g\u00fcn\u00fcnde kabul edilebilir, ancak ayn\u0131 motor 45 A ile \u00e7al\u0131\u015f\u0131rsa sarg\u0131lar a\u015f\u0131r\u0131 \u0131s\u0131nmadan zarar g\u00f6r\u00fcr. 200 A ile \u00e7al\u0131\u015fma durumu ise manyetik koruma tripinin 20 milisaniyeden k\u0131sa s\u00fcrede devreye girmesi gerekti\u011fi anlam\u0131na gelir.<\/p>\n

Bu nedenle, a\u015f\u0131r\u0131 y\u00fck korumas\u0131 belirgin \u015fekilde daha yava\u015f \u00e7al\u0131\u015fmak zorundad\u0131r. Sadece ak\u0131ma de\u011fil, \u0131s\u0131ya dayand\u0131\u011f\u0131 i\u00e7in, cihaz tam y\u00fck ak\u0131m\u0131n\u0131n 1,5 kat\u0131na iki saniye i\u00e7inde ula\u015f\u0131rsa, her cihaz ba\u015flatmada ar\u0131za yapar. Ba\u015flatma s\u00fcresine dayanmal\u0131 ve ayn\u0131 zamanda a\u015f\u0131r\u0131 \u0131s\u0131nmay\u0131 tan\u0131mal\u0131d\u0131r.<\/p>\n

\"A\u015f\u0131r\u0131<\/p>\n

Trip Ger\u00e7ekten Nas\u0131l Ger\u00e7ekle\u015fir<\/h2>\n

Termal r\u00f6le, farkl\u0131 genle\u015fme \u00f6zelliklerine sahip iki metalik bile\u015fen i\u00e7erecek \u015fekilde tasarlanm\u0131\u015ft\u0131r. \u00d6rne\u011fin, b\u00fck\u00fclme hareketi, b\u00fck\u00fclme belirli bir seviyeyi a\u015farsa tetikleme mekanizmas\u0131n\u0131 harekete ge\u00e7irmek i\u00e7in \u00f6nceden ayarlanm\u0131\u015f bir e\u015fik de\u011ferine ula\u015f\u0131lmas\u0131n\u0131 sa\u011flar.<\/p>\n

Buna ek olarak, ortam s\u0131cakl\u0131\u011f\u0131 ile \u00e7al\u0131\u015fan ikinci bir bimetal, motorun \u00e7al\u0131\u015fmas\u0131ndan sorumlu olan di\u011ferini \u0131s\u0131t\u0131r. Kutu i\u00e7inde hava sirk\u00fclasyonu olmad\u0131\u011f\u0131nda ve s\u0131cakl\u0131k 50\u00b0C oldu\u011funda, r\u00f6le yaz boyunca veya k\u0131\u015f sezonunun sonlar\u0131nda istenmeyen \u015fekilde atabilir.<\/p>\n

Modern elektronik r\u00f6leler, \u00f6rnekleme yoluyla ger\u00e7ek RMS de\u011ferleri sa\u011flamak i\u00e7in transformat\u00f6rler ve mikrodenetleyiciler kullan\u0131r. Ayr\u0131ca termal haf\u0131za ve faz kayb\u0131 tespiti gibi i\u015flevleri, ayarlanabilir atma s\u0131n\u0131f\u0131n\u0131 ve \u00e7ok s\u0131k olarak 4\u201320 mA \u00e7\u0131k\u0131\u015f\u0131n\u0131 ekleyebilirler. Paketlenmi\u015f bir ba\u015flat\u0131c\u0131da, r\u00f6le do\u011frudan kontakt\u00f6r\u00fcn alt\u0131na c\u0131vatalan\u0131r ve ayn\u0131 a\u015f\u0131r\u0131 y\u00fck blo\u011fu \u00fczerinden kablolan\u0131r; bu, HUYU\u2019nun EXQ7 elektromanyetik ba\u015flat\u0131c\u0131s\u0131n\u0131n kontakt\u00f6r\u00fcn\u00fc a\u015f\u0131r\u0131 y\u00fck eleman\u0131 ile<\/a> iki ayr\u0131 DIN ray\u0131 par\u00e7as\u0131 yerine tek bir montajda e\u015fle\u015ftirmesidir.<\/p>\n

Atma S\u0131n\u0131f\u0131 Zamanlamay\u0131 Belirler<\/h2>\n

S\u0131n\u0131f numaras\u0131, IEC 60947-4-1 standard\u0131nda, s\u0131cak bir durumda atma ak\u0131m\u0131n\u0131n 7.2 kat\u0131 fakt\u00f6r\u00fcnde saniye cinsinden maksimum atma s\u00fcresi olarak tan\u0131mlan\u0131r. Ayn\u0131 standart, r\u00f6lenin atamayaca\u011f\u0131 \u00fcst s\u0131n\u0131r\u0131 1.05 kat ve r\u00f6lenin iki saatten fazla olmamak \u00fczere atmas\u0131 gereken alt s\u0131n\u0131r\u0131 1.2 kat olarak belirler.<\/p>\n\n\n\n\n\n\n\n
S\u0131n\u0131f<\/th>\n2 \u00d7 ayar (so\u011fuk) i\u00e7in atma s\u00fcresi<\/th>\n5 \u00d7 (s\u0131cak) i\u00e7in maksimum atma s\u00fcresi<\/th>\nTipik y\u00fck<\/th>\n<\/tr>\n
10A<\/td>\n2\u201310 sn<\/td>\n120 sn<\/td>\nHermetik kompres\u00f6rler, s\u0131cak yeniden ba\u015flatma g\u00f6revleri<\/td>\n<\/tr>\n
10<\/td>\n4\u201310 sn<\/td>\n240 sn<\/td>\nStandart IEC motorlar\u0131, VFD kontroll\u00fc pompalar ve fanlar<\/td>\n<\/tr>\n
20<\/td>\n6\u201320 sn<\/td>\n480 sn<\/td>\nNEMA Tasar\u0131m B motorlar\u0131, y\u00fckl\u00fc konvey\u00f6rler, kompres\u00f6rler<\/td>\n<\/tr>\n
30<\/td>\n9\u201330 sn<\/td>\n720 sn<\/td>\nK\u0131r\u0131c\u0131lar, santrif\u00fcjler, de\u011firmenler, y\u00fcksek ataleti olan fanlar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

S\u0131n\u0131f se\u00e7imi her zaman ba\u015flatma s\u00fcresi taraf\u0131ndan belirlenir ve ki\u015fisel tercihe ba\u011fl\u0131 de\u011fildir. Tam h\u0131zda sadece \u00fc\u00e7 saniyede \u00e7al\u0131\u015fan bir pompa i\u00e7in S\u0131n\u0131f 10 do\u011fru s\u0131n\u0131fland\u0131rmad\u0131r. Buna kar\u015f\u0131l\u0131k, maksimum h\u0131za ula\u015fmas\u0131 25 saniye s\u00fcren 200 kW\u2019l\u0131k bir santrif\u00fcj fan\u0131, normal ko\u015fullarda ba\u015flat\u0131ld\u0131\u011f\u0131nda r\u00f6lenin atmas\u0131n\u0131 \u00f6nlemek i\u00e7in S\u0131n\u0131f 30 gerektirir ve operat\u00f6r koruma sistemini devre d\u0131\u015f\u0131 b\u0131rakmak i\u00e7in ayar d\u00fc\u011fmesini \u00e7evirmek zorunda kal\u0131r.<\/p>\n

Bu mant\u0131k, motor devre koruyucular\u0131 ve kal\u0131planm\u0131\u015f kasa kesiciler i\u00e7in de ge\u00e7erlidir. Bu cihazlar ba\u015flat\u0131c\u0131larda birbirlerinin yerine kullan\u0131lamaz. Sadece manyetik prensiple \u00e7al\u0131\u015fan ve termal eleman i\u00e7ermeyen motor devre koruyucular\u0131 vard\u0131r; bu da termal koruma yap\u0131lamayaca\u011f\u0131 anlam\u0131na gelir. Farklar, bir motor devre koruyucusu ile bir devre kesici kar\u015f\u0131la\u015ft\u0131rmas\u0131nda<\/a>, belirtilmi\u015ftir ve ba\u015fkas\u0131 taraf\u0131ndan yaz\u0131lm\u0131\u015f bir malzeme listesine g\u00f6re ba\u015flat\u0131c\u0131 sipari\u015f ederken \u00f6nemlidir.<\/p>\n

\"Atma<\/p>\n

Bu \u0130\u015fi Yapan D\u00f6rt Cihaz<\/h2>\n\n\n\n\n\n\n\n
Cihaz<\/th>\nA\u015f\u0131r\u0131 y\u00fck eleman\u0131<\/th>\nK\u0131sa devre derecesi<\/th>\nS\u0131f\u0131rlama<\/th>\nEn uygun<\/th>\n<\/tr>\n
Termal a\u015f\u0131r\u0131 y\u00fck r\u00f6lesi<\/td>\nBimetal, ters zamanl\u0131<\/td>\nYok, yedekleme gerekir<\/td>\nManuel veya otomatik<\/td>\nStandart ba\u015flat\u0131c\u0131lar, IEC motorlar\u0131<\/td>\n<\/tr>\n
Elektronik a\u015f\u0131r\u0131 y\u00fck r\u00f6lesi<\/td>\nCT art\u0131 yaz\u0131l\u0131m<\/td>\nYok, yedekleme gerekir<\/td>\nManuel, uzaktan veya otomatik<\/td>\nKritik y\u00fckler, VFD\u2019ler, uzaktan s\u0131f\u0131rlama<\/td>\n<\/tr>\n
Motor koruma devre kesicisi<\/td>\nBimetal veya hidrolik-manyetik<\/td>\nDahil, tipik olarak 400 V'de 50\u2013100 kA<\/td>\nManuel kol<\/td>\nTek kompakt ba\u015flat\u0131c\u0131, yerel izolasyon<\/td>\n<\/tr>\n
Termal-manyetik tripli kal\u0131planm\u0131\u015f kutu kesici<\/td>\nBimetal art\u0131 manyetik<\/td>\nDahil, 25\u2013150 kA<\/td>\nManuel toggle<\/td>\nBesleyiciler, daha b\u00fcy\u00fck motorlar, kombinasyon ba\u015flat\u0131c\u0131lar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tablo eksik olan\u0131 g\u00f6r\u00fcyor musunuz? Bu d\u00f6rt se\u00e7enekten hi\u00e7biri di\u011ferinden daha iyi de\u011fildir. Bir termal r\u00f6le $25 i\u00e7in g\u00f6zetim yapar ve bir i\u015flevi yerine getirir, bunu firmware s\u00fcr\u00fcmlemesi olmadan yapar. Motor koruma devre kesici, termal r\u00f6lenin \u00fc\u00e7 kat\u0131 fiyat\u0131ndad\u0131r ve k\u0131sa devre alg\u0131lama bile\u015fenini ve ayr\u0131ca kablolamay\u0131 ortadan kald\u0131r\u0131r. T\u00fcm bunlar, 500 motorlu bir proje i\u00e7in daha k\u00fc\u00e7\u00fck paneller ve daha basit montaj ile sonu\u00e7lan\u0131r.<\/p>\n

Cihazlar\u0131n Pratikte Nas\u0131l Farkl\u0131la\u015ft\u0131\u011f\u0131<\/h2>\n

Termal r\u00f6leler g\u00fcvenilir de\u011fildir. Bimetal bozulur ve kalibrasyon on y\u0131l i\u00e7inde birka\u00e7 y\u00fczde de\u011fi\u015febilir. \u00d6rne\u011fin, r\u00f6le yeni oldu\u011funda s\u0131n\u0131r\u0131 1.15 idi, ancak dolab\u0131n s\u0131cak ortam\u0131nda 8 y\u0131l sonra muhtemelen 1.30'a de\u011fi\u015fir. Termal r\u00f6le, y\u0131lda bir kez 1.5 kat ak\u0131m uygulanarak kontrol edilir; bu kontrol uygun test cihaz\u0131yla r\u00f6le ba\u015f\u0131na yakla\u015f\u0131k on dakika s\u00fcrer.<\/p>\n

Elektronik r\u00f6leler kalibrasyonu korumada \u00e7ok daha iyidir ve ger\u00e7ek sorunlar\u0131 \u00e7\u00f6zen ekstra \u00f6zellikler sunar. Elektronik r\u00f6lelerin termal haf\u0131za \u00f6zelli\u011fi, sarg\u0131lara zarar veren yeniden ba\u015flatma ve deneme d\u00f6ng\u00fcs\u00fcn\u00fc \u00f6nler. Faz kayb\u0131 alg\u0131lama yetene\u011fi, elektronik r\u00f6lelerin motor i\u00e7in m\u00fcmk\u00fcn olan en zararl\u0131 a\u015f\u0131r\u0131 y\u00fck\u00fc yakalamas\u0131n\u0131 sa\u011flar; \u00e7\u00fcnk\u00fc iki faz devreye girdi\u011finde, motor kalan sarg\u0131larda yakla\u015f\u0131k 1.7 ila 2 kat on kutuplu g\u00fc\u00e7 \u00e7ekerken \u00fc\u00e7\u00fcnc\u00fc faz aktif de\u011fildir ve basit \u00fc\u00e7 bimetal r\u00f6le \u00e7ok yava\u015f olur \u00e7\u00fcnk\u00fc sadece 2 eleman \u0131s\u0131t\u0131labilir.<\/p>\n

Kontakt\u00f6rler i\u00e7in, kontakt\u00f6r g\u00f6revi yerine getiremezse r\u00f6leyi ge\u00e7menin anlam\u0131 yoktur. HUYU\u2019nun EXC7 AC kontakt\u00f6r\u00fc<\/a> isim plakas\u0131nda yaz\u0131l\u0131 kullan\u0131m kategorisi ile AC-3 motor g\u00f6revine g\u00f6re derecelendirilmi\u015ftir ve bu kategoriyi ger\u00e7ek anahtarlama g\u00f6reviyle e\u015fle\u015ftirmek, \u00e7o\u011fu al\u0131c\u0131n\u0131n kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131 amper derecesiyle e\u015fle\u015ftirmekten daha \u00f6nemlidir.<\/p>\n

Cihaz\u0131n Y\u00fcke Uygunlu\u011fu<\/h2>\n

Bo\u015fta ba\u015flayan fanlar ve pompa sistemleri basit bir durumdur; s\u0131n\u0131f 10, isim plakas\u0131ndaki FLA ve ortam telafisi kullan\u0131m\u0131 yeterlidir.<\/p>\n

Konvey\u00f6rler ve vidal\u0131 kompres\u00f6rler y\u00fckl\u00fc \u00e7al\u0131\u015f\u0131r ancak torka kar\u015f\u0131 ba\u015flar. 1.15 servis fakt\u00f6rl\u00fc bir NEMA motoru i\u00e7in s\u0131n\u0131f 20 uygundur. Bu durumda ayar, motor normal \u00e7al\u0131\u015fma modunda y\u00fckl\u00fcyken isim plakas\u0131ndaki FLA\u2019dad\u0131r.<\/p>\n

Dalg\u0131\u00e7 pompalar, hermetik so\u011futma kompres\u00f6rleri ve t\u00fcm VFD kontroll\u00fc sistemler s\u0131n\u0131f 10 veya 10A ile ba\u015flar. VFD, ba\u015flang\u0131\u00e7 ak\u0131m\u0131n\u0131 s\u0131n\u0131rlar, a\u015f\u0131r\u0131 y\u00fck r\u00f6lesi yava\u015f termal olaya kar\u015f\u0131 koruma sa\u011flar; daha h\u0131zl\u0131 s\u0131n\u0131f, gereksiz trip olmadan daha iyi sarg\u0131 korumas\u0131 sa\u011flar.<\/p>\n

K\u0131r\u0131c\u0131lar, de\u011firmenler ve b\u00fcy\u00fck ind\u00fcklenmi\u015f \u00e7eki\u015f fanlar\u0131 \u00f6nemli miktarda d\u00f6nen k\u00fctleye sahiptir, bu y\u00fczden h\u0131zlanma i\u00e7in 20 ila 60 saniye gerekir. Bu t\u00fcr i\u015flemler i\u00e7in S\u0131n\u0131f 30 mevcuttur. Y\u00fck ger\u00e7ekten bu kadar a\u011f\u0131r oldu\u011funda, izlenmesi gereken ar\u0131za modu, kesme de\u011fil, kontakt\u00f6r\u00fcn kilit rotor ak\u0131m\u0131nda duran bir motoru bir dakika boyunca tutmas\u0131d\u0131r ve bu k\u00f6t\u00fcye kullan\u0131m\u0131n belirtileri motor ar\u0131zalanmadan \u00e7ok \u00f6nce ortaya \u00e7\u0131kar, bu rehberde kontakt\u00f6r ar\u0131za belirtileri<\/a> a\u00e7\u0131klanmaktad\u0131r.<\/p>\n

\"Ayar<\/p>\n

Ayar Kadran\u0131: \u00d6nemli Say\u0131lar<\/h2>\n

NEC 430.32, 40\u00b0C veya daha az s\u0131cakl\u0131k art\u0131\u015f\u0131 olan veya 1.15 veya daha fazla servis fakt\u00f6r\u00fcne sahip motorlar i\u00e7in a\u015f\u0131r\u0131 y\u00fck ayarlar\u0131n\u0131 motorun tam y\u00fck ak\u0131m\u0131n\u0131n 5'ine s\u0131n\u0131rlar. Aksi takdirde, limit 5 olarak belirlenir. Tablo 430.32(A)(1)'e g\u00f6re, motor daha d\u00fc\u015f\u00fck ayarda ba\u015flamayacaksa s\u0131ras\u0131yla 0 ve 0 kullan\u0131labilir.<\/p>\n

Kadran\u0131, motorun etiket ak\u0131m\u0131na, kesme ak\u0131m\u0131na veya amperaj\u0131na g\u00f6re ayarlay\u0131n. 7.5\u201311 A aral\u0131\u011f\u0131nda 10 A'ya ayarlanm\u0131\u015f bir r\u00f6le, 10.5 A'da kesmez ancak 12 A'da iki saat i\u00e7inde keser. \u00d6rne\u011fin, bir pens ampermetre \u00e7al\u0131\u015fma ak\u0131m\u0131n\u0131 9.6 A olarak \u00f6l\u00e7erse, ayar iyidir ve daha fazla ayar gerekmez. Okuma 10.8 A ise, y\u00fckle ilgili bir sorun oldu\u011funu g\u00f6sterir ve kadran\u0131 12 A'ya y\u00fckseltmek daha fazla komplikasyona yol a\u00e7ar.<\/p>\n

Ortam s\u0131cakl\u0131\u011f\u0131 ayar\u0131 ikinci s\u0131rada yer al\u0131r. Kompansasyonlu bir r\u00f6le, ayarlanmadan \u221220\u00b0C ile +60\u00b0C aral\u0131\u011f\u0131nda \u00e7al\u0131\u015fabilir. 300 A kontakt\u00f6r\u00fcn yan\u0131na monte edilmi\u015f kompansasyonsuz bir r\u00f6le, d\u00fc\u015f\u00fck ayarlanm\u0131\u015f olur ve ayar kadran\u0131n\u0131 y\u00fckselterek yap\u0131lan kompansasyon do\u011fru bir d\u00fczeltme y\u00f6ntemi de\u011fildir.<\/p>\n

Koruma Sistemini Bozan Hatalar<\/h2>\n

Yayg\u0131n hata, \u00e7ok b\u00fcy\u00fck bir \u0131s\u0131t\u0131c\u0131 kullanmakt\u0131r. 40 A t\u00fcketen bir motor i\u00e7in tasarlanm\u0131\u015f bir r\u00f6le, 32 A gerektiren bir cihazla birlikte \u00e7al\u0131\u015ft\u0131\u011f\u0131nda, do\u011fru seviyenin 'inde \u00e7al\u0131\u015f\u0131r ve kapanmaz; bu da s\u00fcr\u00fcc\u00fc bobini yanana kadar koruma sa\u011flamad\u0131\u011f\u0131 anlam\u0131na gelir.<\/p>\n

Di\u011fer sorun, uzaktan ekipman i\u00e7in kullan\u0131lan kendini s\u0131f\u0131rlayan cihazlard\u0131r. Sezonluk \u00e7al\u0131\u015fan bir pompa i\u00e7in kendini s\u0131f\u0131rlayan cihazlar\u0131n kullan\u0131lmas\u0131 uygun olsa da, s\u0131k\u0131\u015fm\u0131\u015f bir konvey\u00f6rle her 90 saniyede bir tetiklenmeleri durumu s\u0131k\u0131\u015fmadan daha k\u00f6t\u00fc hale getirir.<\/p>\n

Ayr\u0131ca, ba\u015flat\u0131c\u0131n\u0131n konuma kilitlenememesi nedeniyle kurulum s\u0131ras\u0131nda 95\u201396 kontaklar\u0131n\u0131n s\u0131kl\u0131kla atlanmas\u0131 ve sonras\u0131nda tekrar a\u00e7\u0131lmamas\u0131 yayg\u0131nd\u0131r. R\u00f6le do\u011fru \u015fekilde kalibre edilmi\u015f olsa bile art\u0131k d\u00fczg\u00fcn \u00e7al\u0131\u015fmaz. A\u015f\u0131r\u0131 y\u00fck korumas\u0131n\u0131n ar\u0131zal\u0131 bobine ba\u011fl\u0131 olmad\u0131\u011f\u0131ndan emin olmak i\u00e7in sistemi ara s\u0131ra kontrol etmek ve bir \u00f6l\u00e7\u00fcm cihaz\u0131yla test etmek \u00f6nerilir.<\/p>\n

SSS<\/h2>\n

A\u015f\u0131r\u0131 y\u00fck korumas\u0131, dalgalanma koruyucusuyla ayn\u0131 m\u0131d\u0131r?<\/h3>\n

Hay\u0131r, birbirinin yerine kullan\u0131lamazlar. Bir a\u015f\u0131r\u0131 gerilim koruyucu, mikro saniyeler i\u00e7inde ger\u00e7ekle\u015fen ge\u00e7ici bir voltaj s\u0131\u00e7ramas\u0131n\u0131 yakalar ve ak\u0131mla hi\u00e7 ilgilenmez. A\u015f\u0131r\u0131 y\u00fck korumas\u0131 ise saniyeler veya dakikalar boyunca devam eden a\u015f\u0131r\u0131 ak\u0131ma maruz kal\u0131nd\u0131ktan sonra devreye girer. Bir pano her iki korumaya da ihtiya\u00e7 duyabilir ve genellikle duyar; servis giri\u015finde bunlar\u0131n nas\u0131l etkile\u015fti\u011fi, kar\u015f\u0131la\u015ft\u0131rmas\u0131nda ele al\u0131nm\u0131\u015ft\u0131r. bir devre kesici ile a\u015f\u0131r\u0131 gerilim koruyucu kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/a>.<\/p>\n

A\u015f\u0131r\u0131 y\u00fck korumas\u0131n\u0131n en basit \u015fekli nedir?<\/h3>\n

Termal a\u015f\u0131r\u0131 y\u00fck r\u00f6lesi, 95-96 konta\u011f\u0131 \u00fczerinden kontakt\u00f6r bobinine seri ba\u011fl\u0131 bir bimetal elemandan olu\u015fur. Giri\u015f ve \u00e7\u0131k\u0131\u015f i\u00e7in iki\u015fer tel, ayr\u0131ca ak\u0131m ayar d\u00fc\u011fmesi ve manuel s\u0131f\u0131rlama butonu bulunur. Herhangi bir yard\u0131mc\u0131 g\u00fc\u00e7 kayna\u011f\u0131 veya yap\u0131land\u0131rma gerektirmez, bu y\u00fczden genel ama\u00e7l\u0131 starterler i\u00e7in ilk tercih olmaya devam eder.<\/p>\n

\u201cA\u015f\u0131r\u0131 y\u00fck korumas\u0131 yok\u201d ne anlama gelir?<\/h3>\n

Devrenin yaln\u0131zca k\u0131sa devreler ve toprak hatalar\u0131ndan korundu\u011funu g\u00f6sterir. Manyetik bir kesici veya bir grup sigorta, bir motorun nominal ak\u0131m\u0131n\u0131n 0'sinde s\u00fcrekli \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar \u00e7\u00fcnk\u00fc 0 manyetik atma noktas\u0131ndan olduk\u00e7a uzakt\u0131r. Ne yaz\u0131k ki, motor ar\u0131zalanacakt\u0131r ancak bu dramatik de\u011fil, termal bir ar\u0131za olacakt\u0131r.<\/p>\n

A\u015f\u0131r\u0131 y\u00fck koruyucu ne yapar?<\/h3>\n

Elektrik ak\u0131m\u0131n\u0131 izler, motor elektrik devresinin sarg\u0131s\u0131nda olu\u015fan \u0131s\u0131y\u0131 sim\u00fcle eder ve \u0131s\u0131 sarg\u0131n\u0131n s\u0131n\u0131r\u0131n\u0131 a\u015ft\u0131\u011f\u0131nda kontrol devresini keser. \u00c7\u0131k\u0131\u015f i\u015flemi ana kontaklar\u0131 a\u00e7may\u0131 de\u011fil, sadece kontakt\u00f6r bobinini d\u00fc\u015f\u00fcrmeyi i\u00e7erir; bu nedenle a\u015f\u0131r\u0131 y\u00fck konta\u011f\u0131 g\u00fc\u00e7 devresi yerine kontrol devresine ba\u011flan\u0131r.<\/p>\n

Referanslar<\/h2>\n