How can we calculate the resistance of earthing & how can we control it?

2 Answers  

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why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

1 Answers  

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I have a 3 phase 600 volt prim. feed and a 120/208 sec. Isolateing tranformer .We are using this system for safety against shock . What is the proper grounding ?? Does the common on sec. get earth ground ???

1 Answers  

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how to compute kvar in substation feeder to improve power factor and sending voltage

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What are the types of bus duct?

1 Answers  

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Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

0 Answers  

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HOW many type of Circut Breaker in the world used in 400 kv substation?

14 Answers   Power Grid,

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What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

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When is lag lead compensator is required?

0 Answers  

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Why RCD trips on connecting to one Socket but not trips one other circuit on same RCD.

1 Answers  

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

0 Answers  

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