Answer Posted / kumar

i think isolator is an switchigns divces only but circuit
breaker is ony safety divces for ex any short circuit and
over current (reated current )that time circuit braker is
trip.

what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

1729

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What is Control & Relay Panel? And Remote Control Center?

1751

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WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

1815

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when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

1758

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can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

1564

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How we calculate DC inducation moter Amp? Sir pls give me formula......

1441

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we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1331

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How can we increase the capacity of Energy.?

1685

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What is the vector group of a transformer,how can it be found out?

1575

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Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1043

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before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

1190

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what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

2764

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What is the bundle conductor?

737

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how to calculate IR value of 33KV cable ??

1342

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there are cam operated switches - why we call cam operated , What is cam ?

1479

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