Answer / k.prakashchandra

This may be due to line earth fault . Disable generator instant trip due to earth fault and use only time delay of 200 - 500 ms

with the help of drive can we run the 50hz motor on 100hz,what will be its effect.

3 Answers   BPL,

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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what is the diffrence between preventive maintinance corrective maintinance?

7 Answers   Siemens,

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if 15 kv is grounding directly what will happen?

5 Answers  

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For 33 kv HT line how much amps fuse to be fitted pls explain with formula

1 Answers   Suzlon,

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If a capacitor bank is having rating 750kvar for 6.6kv. Then for 3.3kv how much will be the rating of capacitor bank.

1 Answers   OCL,

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why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

7 Answers   HCIL, Jindal, Siemens,

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FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???

10 Answers  

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what is difference between MCB & MCCB

1 Answers  

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how we calculate size of exciter(excit. volt and current) for generator?

1 Answers   century,

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I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?

2 Answers   Data Entry Operator, RRB, SSC,

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what is first pole to clear factor ?

3 Answers  

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