can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?

2 Answers   Maersk,

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can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

0 Answers   NTPC,

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WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

0 Answers  

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what is the function of closing coil in air circuit breaker?

0 Answers   Fresher,

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I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????

2 Answers  

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Can any one tell me the current VAT, Sales Tax, Octroi and Excise duty for the financial year 2009 -2010. Say control panels are manufactured in maharashtra, then what will be the taxes for within Maharashtra and outside Maharashtra?

1 Answers  

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why the AC or DC motor takes high starting current?

2 Answers  

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From the point of view of accuracy in the Measurement of Electrical energy should we select a potential transformer or a capacitor voltage transformers?.Kindly support your reply with reason and justification.

1 Answers  

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how to select DG set for certain load?

7 Answers   ACC,

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How can we calculate the KVA rating of a Distribution transformer from its core details?

0 Answers   ABB,

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why induction motors are rated at 0.8 power factor.

0 Answers   Bhel, TN,

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400Kv,can it be generated?why?

2 Answers  

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