Answer / k.prakashchandra

Touch voltage is the voltage drop between the ground and
the conductor above.Step voltage is the pd along the ground

Practical applications of series connected resistances? 

1 Answers  

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What is the function of wave trap in an electrical substation?

2 Answers  

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what is the distance b/w EHV lines? 1.8m 2.11m 3.4m 4.14m

7 Answers   HAL,

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21. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10

3 Answers  

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whydoes the p.f of diesel generator always be 0.8 explain how will you determine the shortcircuit capacity of network

1 Answers   Dalkia,

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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how can we test the polarity of a 3-phase transformer?

2 Answers  

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what is settable hystersis protection? If any body knows plz kindly post the answer..

0 Answers  

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What are eddy current and define rms value?

4 Answers   NTPC,

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What is the difference between Neutral And Earth ?

2 Answers   Ambuja, Reliance,

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why in crona effect it give violet colour.

1 Answers  

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0 Answers   Bhel,

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