Answer / maruth sk

Power plant produces electricity such as Thermal..

Power station transmits electricity to ESCOMS

Can i replace Earth leakage relay to the faulty Earth Faulty Relay

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why we used.c source in the field of the alternator , why not a.c source.

1 Answers  

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how to compare with Relay settings for HT&LT panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

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I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

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Rated moter voltage and frequency is 380volt 60 hz but moter is running at 380votac 50hz is this harmful for moter winding

1 Answers   Infosys,

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hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

0 Answers   HPCL,

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What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?

2 Answers  

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how i meggar value of 11kv alternator winding.and with meggar.

1 Answers  

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The loads are connected with phase and ground then why current flow as the loads ?

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the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

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what is black out?,what is brown out?

1 Answers  

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