What are types of central ac plants?

1 Answers   HSL,

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L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE

1 Answers   Ambuja,

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what are the breakdown voltage rating of mini- curcuit'transfarmer!

0 Answers  

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the rating of fuse wire i always expressed in what?

3 Answers  

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difference between over current and over load protection?

5 Answers   BARC,

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what is the surge arrestor?how it operates?what is the range for it?

4 Answers  

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is it possible to use a tranformer to regulate an unstable system voltage?

3 Answers  

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Which oil can be used in transformer?

1 Answers  

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My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

2 Answers   Ariel,

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

0 Answers  

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What is the diameter of electromagnetic field around a 11000/415v transformer ? Dose it affect people who live 3-4 meter beside it?

0 Answers  

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