Answer / kk_lomdon

A motor in good condition should not take more than 1/3rd
of full load current of motor.

Answer / arun kokje

IT IS DEPENDING ON NUMBER OF POLES OF THE MOTOR.SAY FOR
2POLE AND 4POLE MOTORS IT IS APPROX. 20-30% OF FULL LOAD
CURRENT,FOR 6POLE AND 8 POLE IT IS AROUND 35-45% OF FULL
LOAD CURRENT. FOR HIGHER POLES THE NO LOAD CURRENT EQUALS
FULL LOAD CURRENT DUE CTO POOR NO LOAD POWER FACTOR.

is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?

1 Answers  

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what mean ohm

1 Answers   Shoba Devlopers,

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What is the differance between vacuum breaker and vacuume contactor

1 Answers  

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what are the ratings of sockets?

10 Answers   L&T,

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What is the Ideal Earth to Neutral Rating for Techonology Equipment like Routers, Switched, PABX, Computers etc etc?

2 Answers  

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what is "pu" in electrical engg.

4 Answers  

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what is the difference between vector scale and vector diagram?

1 Answers  

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How many points can we have in AC Circuit? Show by giving suitable example?

3 Answers  

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In an alternator running with a balanced zero p.f. lagging load, phase differernc between the resultant armature flux and main field flux is always____? options is 180 degree....why?? explain.

1 Answers   BREB,

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Is Softbitonline HT Transformer Design Software is AutoCAD compatible?

1 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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Generally In transformer Tap Changer on HT side, but I have seen in 66KV side in 220/66 KV, 100 MVA, Areva make transformer. Why ?

7 Answers  

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