what is difference between megger & Contact resistance meter & its Application?

2 Answers  

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what is excitation/

0 Answers   ABB, Tata Steel Limited,

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what is the meaning of DSL

4 Answers   Airtel,

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operation principle of a generator? Gss, Diesel and HFO which is better and why?

1 Answers  

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why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

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how did the differential relay work to protect the power transformer

4 Answers  

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if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

0 Answers  

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Why effective AC resistance is more than DC resistance of a transmission line?

9 Answers   HCL, ONGC,

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what is the need of capacitor in transmission lines?and how it works.

2 Answers   SCCL,

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why Copper loss is represented as I square R ?

5 Answers   L&T,

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examples of resistive inductive and capacitive load

1 Answers  

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How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

0 Answers  

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