Answer / kolhe g j

Fault level is useful to decide Circuit Breaker rating in
power system . It is decided on the basis of Three Phase
Short circuit current

Answer / vishal ingle

Fault level is useful to decide Circuit Breaker rating in
power system . Major factors affecting the fault level are
1. Number of Lines connected to Bus bar & their lengths
2. distance of the s/s from source i.e generator. Capacity
of power station. path of power from the power plant.
3. soil strata. etc

can i use 10 mfd + 6 mfd instead of 15 mfd capacitor in single phase motor as running capacitor

3 Answers  

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How to calculate no of EARTH PIT? Describe the formula as per IS standard?

0 Answers  

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different b/w counter poise and ground wire

1 Answers   L&T, TCS,

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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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Why we use stones in switchyard?

3 Answers   Havells, L&T,

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what is difference betwen genrator and alternator?

3 Answers   Tanfac,

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how to check the stabilty test for generator differential protection

1 Answers  

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how to determine Sq.mm size of finolex power cables.

0 Answers   Finolex,

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if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss

2 Answers  

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Hi, We have have the major losses between BBT ( Bus Bar Trunking) to LT Incomer & LT to HT incomer, how to arrive the losses?

1 Answers  

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what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

0 Answers   TNEB Tamil Nadu Electricity Board, Vestas,

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