what is the safety of ACB & VCB and how can this work and how can the service the ACB & VCB parts name with picture
21 93450how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
1615Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance
1 3984I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?
4 5878Hello friends, Can anyone explain the concept of zones in Bus bar protection and how can we differentiate the main zone and check zone in Bus bar protection
1 7923Post New ABB Electrical Engineering Interview Questions
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