What are the various types of rotor used in the alternators?

0 Answers  

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what is electricial and mechnical interlock.

9 Answers   Control Dynamics, EFS, HP,

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what will be the minimum megger value for 132 Kv (earthed) potential transformer

3 Answers  

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why there is a temperature rise at different metal to metal contact at cable lug??suppose cable is aluminium and the lug is copper,than why the temperature rise takes place??

2 Answers   JK Cement,

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Any one can explain if there is any harm from humming noise heard from air circuit breaker : we have 415 switch board having two incomers from transformers 3.3KV/415V , when bus coupler closed, and open one ACB incomer to work in one of the transformers, the current started hunting around 50 Amps, and heard humming noise from the air circuit breaker, although the load current was only 1200 amps while the ACB capacity is 2500 Amps, and the transformer 1600 KVA. The same didn't happen when taken the other transformer offline. Why this humming noise and current fluctuation? is there any implication or danger, bearing in mind that we just returned everything back to normal and stopped the maintenance of the transformer. Shall we go ahead and ignore this noise?

6 Answers  

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why we used capacitor in induction motor?

4 Answers   Mitsubishi,

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if we have 320KVA Genset kindly advice how much load we can put it.

0 Answers  

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I want to know Electrical Circuit?

0 Answers  

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IF avr is voltage regulator of genset means why we are giving genset CT sense to AVR ?

3 Answers   ABB,

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How can we calculate D.C.Load current in terms of A.C. load current?

2 Answers  

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working principle of oil startar

0 Answers  

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Define demand factor?

0 Answers  

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