what is name of transformer oil ?

58 Answers   L&T, MPSEB, OPTCL, Practical Viva Questions, Servo, TATA, XLPE, ZGL,

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What is the relation between the Peripheral speed(N) , no.of poles(P) and diameter(D) of a cylindrical rotor alternator ?

5 Answers   NTPC,

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Do you know how to maintain a generator, if so what are those maintenances?

4 Answers  

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trasnfarmaer core make

0 Answers   MPSEB,

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why electron flow is opposite to current flow?

3 Answers  

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Why current leads the voltage in case of capacitor load? Why voltage leads the current in case of inductive load? Why both are with in phase in case of restive load?

3 Answers   TATA,

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how many kw = one ton air condition?

2 Answers  

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Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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In transmission line 11kv,33kv etc are rms values are peak or others??

1 Answers  

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Why do we perform an open-circuit test and short-circuit test on the transformer?

0 Answers  

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what are advantage and disadvantage of hvdc transmission . please tell us technic of hvdc technology

2 Answers  

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how do you measure earth leakages in 3phase wires?

2 Answers  

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