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 94151how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
1669Hello 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 4037please anyone suggest me some good intools training institutes with their place and contact nos.
1 3477I 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 5967Hello 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 7993Post New ABB Interview Questions
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Do anybody have any idea about the testing tools related to client-server apllications( for banking application or products ).Kindly tell me both open source and licensed tools. Thanks in advanceRegards
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hai i am balaji now i applied for the post of section engineer in rrb chennai............ if any body know the question peper and pattern of written exam please send to me
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