What is the allowalable frequency variation in India and in US? Why there is the difference?

3 Answers  

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In Slip ring Induction Motor we use Liquid Rotor Starter for Starter Every Time Liquid Filling we need add Soda Sodium Carbonate or only Distilled water is Enough.

2 Answers  

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I have CNC Turning lathe,while doing electrical preventive maintenance what should I do & please brief me plan & shedule for the same.

1 Answers   DRJ ARDE,

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How much load can give on 1600 kva transformer 11kv/440

5 Answers  

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what is the difference between contactors & relay.

2 Answers  

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Is MV canble armour can be earthed at both ends?

2 Answers  

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What happens if we give ac supply to dc shunt and series motors individually

4 Answers   Essar,

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What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

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tell me exact relation b/n voltage and current and which one is depend other

7 Answers   HAL,

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What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

0 Answers  

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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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difference between ac series and parallel circuit

0 Answers  

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