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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

where AVR is connected in power plant.

7 10324

what are the parameters plays a major role in Potential transformer Burden calculation??

1571

What is the meaning of high reputuring in HRC fuse.?

1 4507

where rlc series ckt used?

1742

Why transformer ratings in KVA not in KW?

6 8398

what is the difference between arc and spark

2 6424

What is the differentional relay...what is the work of this in power Tx. how it is works..

1413

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 93450

what is ten delta ?

2 4651

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

1615

what mean by analog ,digital,numerical meters and relays? say the example?

1726

Hello 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 3984

I 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 5878

Hello 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 7923

Difference between earthing & grounding.?

3 5091

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ABB Electrical Engineering Interview Questions


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547


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169


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613


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Why does mode in arm in cpsr have 5 bits instead it can have only 3 bits to define all the 7 modes?

537