Answer / syed azam shareef

If the cable is earthed or shorted with other cable ...in
that case diff relay acts.

why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

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what are the names and size of various conductors used in transmission lines

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0 Answers  

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what is the difference between contactors & relay.

2 Answers  

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I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

0 Answers   NTPC,

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Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

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Under Ground Power cable earthing is required at both end or single end? and reason for the same

3 Answers  

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