Answer / ragunathan.pr

step1

1.check in series for open circuit.
2. test lamp for Continuity test.

what is different between relay and plc?

3 Answers  

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WHY HOLDING CONTACTOR OF MOTOR STARTER IS CALLED NO VOLT COIL.

3 Answers  

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why characteristics of overcurrent relay is time-->psm instead of time-->current?

0 Answers   ABB,

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A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

0 Answers   VECL,

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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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Why we use series reactor in power system?

9 Answers   Cadbury, HEG, Uttam,

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how to caculate no load loss, load losses & impedance percentage in power or distribution transformers

4 Answers  

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wath is skin effect?

9 Answers  

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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Difference between auxliary relay & pla relay

1 Answers   Reddy Labs,

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Short circuit current of 2500 KVA 11/0.415 KV transformer both Secondary and primary side. best regards. Ali

1 Answers  

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In 3 phase induction motor 1hp current rating is 1.5 amps constant ? is correct or not ?

4 Answers   TATA,

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