مشاهدة النسخة كاملة : powerprotection


محمودزاهر
07-10-2005, 10:56 AM
the instanteneous overcurrent relay can be used as undervoltage relay

engwagdy2000
23-11-2005, 10:56 AM
my dear from yr qst
this (inst. over current relay )not used as over voltage or under voltage
because this current instantoes with draw