Answer / k.prakashchandra

The earth fault current is very less

Answer / mahesh sali

as per IEC norm the protection of 11 kv generator against
the earth fault current will be controlled by adding
external resistance between the star point of generator
winding & earth pits.
but for low voltage as per IEC has recommeded solidly
earthing system as per std.

Answer / j.karthik(cce)

In my company we are generally using NGR for the secondary
side (433Voltage) of the Transformer....

figure of phasor diagram of transformer when full load or no load ?

1 Answers   Swastik, TCS,

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what is the difference b/w UHVDC and HVDC(LIGHT)?

4 Answers   L&T,

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Slipring moter find external resistance

1 Answers  

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What is Ten Delta Test ?

8 Answers   Areva,

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

0 Answers  

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how does damper winding produces torque in synchronous motor?

1 Answers  

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11KV electrical line going through the forest in cloudy night ,how can we find the direction of line.

5 Answers   Bhel, Cesco, HZL, Nesco,

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in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

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what happens when reactive power increases ? does the reactive power loss increase or decrease ?

2 Answers  

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why core is useful for a transformer ?and also in its operation ?

0 Answers  

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A resistance of 50 kΩ has a conductance of:(a) 20S(b) 0.02S(c) 0.02 mS(d) 20 kS

1 Answers  

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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

0 Answers  

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