State any two nuclear power stations in India, with their generating capacity.

0 Answers  

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How does an oscillator differ from an amplifier?

0 Answers  

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How to set a Zone 1 distance relay for distribution feeder?

0 Answers   Schweitzer Engineering,

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Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 Answers  

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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What is ill conditioned power system?

1 Answers  

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What is ramp signal?

0 Answers  

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what are the main parts of DG? explian thier functions?

8 Answers   Apollo Power, Tata DoCoMo, Tyco, Vizag Steel,

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what ll happen to current if two phases get short circuited

2 Answers   Kirloskar,

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why any centrifugal blower draw more current in starting. consider id fan and fd fan?

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In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

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For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

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