if a motor has 1500rpm then what will its HP?

3 Answers   Willdale,

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Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

0 Answers   VECL,

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What is d role of reactive power in power system??How it produce & consume?

5 Answers   ABB,

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why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 Answers   Alstom, L&T,

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Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

0 Answers  

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can anyone tell me the website for star-delta control diagram?

1 Answers  

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how to check IR values in alternator winding?

3 Answers   Birla, Naftogaz,

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Why underground cables are used to connect transformers?In addition how are they again connected to lines after step up or step down?

1 Answers  

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what is active power and rective power and power factor

1 Answers  

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How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

0 Answers  

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define reactive power?

3 Answers   Alstom, TATA, TCS,

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

0 Answers   TNEB Tamil Nadu Electricity Board,

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