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.

If two generator running parallel, at that condition both ngr Taken in line or taken any one ngr, but why any one or both Ngr in line? Ngr is use for which purpose?

3 Answers  

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why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 Answers   ABB, KVPY,

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what is diffrenance between ACB and Isolator

3 Answers  

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what is pmu

1 Answers   Alstom,

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difference b/w eath and neutral

10 Answers   ABB,

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how do you test tachos and servos

0 Answers  

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Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

0 Answers   Gasco,

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What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

0 Answers   Eskom,

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diff. between tension mode & speed mode

0 Answers   BSL,

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what is use of mccb.

1 Answers   Simplex,

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I completed my BE EEE degree 2006 .... which license should i apply .... ?????

0 Answers   Real Estate,

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how to generator maintenance (A Check, B check,Etc)

0 Answers   Cummins, HCL,

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