Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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what is a lightning arrester???

12 Answers   ABB, NTPC,

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What do u understand voltage reg. of an alternator?

0 Answers   IOCL,

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WHY TRANSFORMER IS MEASURED IN KVA?

10 Answers  

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Why (In India) we preferably go for +-30 deg connection of transformer? what are the advantages in this connection?

2 Answers  

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State magnitude criterion.

0 Answers  

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what is meant by class 1 E in electrical power supply?

0 Answers  

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what is the difference between Resistance VS capacitance

2 Answers   Jindal,

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Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

0 Answers  

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am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

0 Answers   L&T,

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what is a pilot wiring and whys that called a pilot wiers

0 Answers  

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what is the reason for choosing DYn11 in transformer, why not DYn12 or something else

1 Answers  

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