Answer / kk

Rotor earth relay have 2
stage. One 4 alarm & other 4
trip. One can check the
bridge o/p voltage(mV) &
compare with comissioning
time value.

Answer / bhuvnesh kumawat

rotor earth fault alarm comes only if our carbon brushes
become earthed. it may be at the time of changing carbon
brushes.

Answer / sujeet kumar

we have to check the status of zero sequence relay..
if its not affected then there is not any earth fault

Answer / alok

rotor both side earth fault wire open and check countinuti
with the help of multimeter at rotor both end.but one side
wire who is grounded must be grounded.

How I design capacitor bank for different load.7MW connected load.

3 Answers   Samtel,

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how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 Answers  

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when we r using single phase load and we have power cable of 3.5core with .5 of neutral and neutral is suppose to the returen path of the phase how much current will flow in the neutral.reply.

2 Answers  

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what is harmonics? what are the factors it will depend upon

0 Answers   KSEB,

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Main Differance between Primary Distribution & Secondary Distribution Of Electricity....?

1 Answers  

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What happens when two positively charged material is placed together?

0 Answers  

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what are the types in Relay?

1 Answers   PLA,

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what is the full form of ka (100A mccb KA)

1 Answers  

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what is the dis-advantage of 3 phase 3 wire energy meter?

1 Answers   Exide, Nelco,

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what is servo motor principle? difference between induction motor & servo motor?

1 Answers  

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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why the power factor is low at no load?

1 Answers  

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