Answer / nor

one of the protection relayes in generatores that dependes
on reactanse of transe and generatores

Answer / manohar

when angular displacement of the rotor exceeds the stability
limit then rotor slips a pole pitch or we can say rotor flux
slips with respec to rotor flux. this is called pole
slipping .This relay is or protection used in generators. It
needs long explanation please refer the books

Bhel supervision exam question: If 2 generators are working in a network. And if suddenly the field of anyone generator weakens. What will happen in the network? 1. The generator will run as motor 2. The generator will run as motor in reverse direction 3. The generator will take lighter load 4. The generator will take more load

9 Answers   Bhel,

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what are the problems that generally occur in power flows??

1 Answers  

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6 Answers  

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We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 Answers  

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1 Answers   GPSC Gujarat Public Service Commission,

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3 Answers   IOCL,

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10 Answers   Siemens,

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0 Answers  

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31 Answers   RTCC, Tivoli Grand,

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3 Answers  

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125Kva Dg can take up how much amphere load.

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