I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 Answers   ABB,

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what is the current law ?

4 Answers   Aster, TCS,

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the relationship between phase and line voltages in a 3 phase generator is expressed in what formula?

4 Answers   Omicon,

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What is slip in induction motor?

3 Answers  

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When generator connected, the circuit ELCB exploded. What is the reson?

3 Answers  

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How to size the Neutral grounding resistor?

1 Answers  

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What is mean by hot and cold loop testing?

0 Answers  

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Advantages of using generator circuit breaker (GCB) scheme in a power station ?

0 Answers   Gridco,

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Electrical Engineering

0 Answers   Gamesa, Medha Servo,

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how we can improve P.F. by using capacitors ?

22 Answers  

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how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

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why nearly all the voltage levels are in the multiples of 11 like 3.3 ,6.6 ,33 ,11 kv.....

8 Answers   Suzlon,

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