Answer / loganath

Winding differential protection, thermal overload, negative
sequence(unbalance), locked rotor, excess long start,
Instantaneous over current, earth fault, bearing,stator
winding temperature monitor

Answer / gowtham

High precision current transformer is used to trip the circuit breaker.for low rating motors current transformer is not required to trip the circuit breaker.

How to Calculate 11 KV Side Cable size of a 250 KVA Oil cooled transformer

2 Answers  

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if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !

1 Answers  

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WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?

0 Answers  

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how to identify conection leads of an unknown electric motor

0 Answers  

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what is capacitor voltage transformer?? how it is different from potential transformer?

0 Answers   NHPC,

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what is subtransient , transient and steady stateac components

0 Answers  

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In India which type of PLCC IS used?

2 Answers   Cipla, Ford, Jayashree,

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

0 Answers  

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what is phase voltage and line voltage? in line voltage how 415v is obtained?

9 Answers  

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what are feeder pillars & panels?

1 Answers  

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why use generator Earthing/Graunding.

4 Answers  

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ynchronous M/C with under excitation with reactive power absorption , acts as a) synch. Motor b) synch gen c) synchr capacit

4 Answers  

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