what is ATS & RING MAIN UNIT in Distribution System?And its Function.

0 Answers  

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How to calcluate the current by means wires/cables in square mm

2 Answers  

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A three phase load, around 4 km away from the 11/0.433KV distribution transformer (Neutral of Transformer is solidily earthed) and consisting of mainly very costly and sensitive electronic equipments is giving trouble due to high voltage difference between neutral and body earth. Whether this problem can addressed by connecting neutral at the load point solidly to earth?

3 Answers  

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I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

0 Answers  

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when we r using single phase load and we have power cable of 3.5core with .5 of neutral and neutral is suppose to the returen path of the phase how much current will flow in the neutral.reply.

2 Answers  

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What type of DC motor would you see for a lift?

0 Answers   Ericsson,

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

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Name the earthings?

3 Answers   HSL,

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What is a thermocouple, and it working principle?

2 Answers  

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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Why should we use the igniter in the sodium vapour lamp.

7 Answers   ABB, Delphi, Mudhra, NTPC, PICT,

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How CFL &T5 tube light glows?

0 Answers   HAL,

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