what is AVR and tell principle and working?

10 Answers   ITC Infotech, MIOT Hospitals, YCC,

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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What is open delta Xformer? It's adavntages & Use?

0 Answers  

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What is pole slipping relay? When it is operated?

2 Answers   Aditya Birla,

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What is the relay function?

2 Answers  

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why dose not transformer not rotate ?

3 Answers  

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What is the difference between earthing & neutral.

2 Answers  

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"What is the difference between voltage and potential differnce?"

15 Answers  

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In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

0 Answers  

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Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

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How to calculate that clean water supply in one Day from 150 KLD STP?

0 Answers  

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what mean by analog ,digital,numerical meters and relays? say the example?

0 Answers   ABB,

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