what r the preventive maintenance of air compressor

1 Answers   Jindal,

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in india why 50 hz and 220 volt taken as standard rating for equipments whereas in US 100hz and 110v is consided as standard rating.is this method save power.

5 Answers   Wipro,

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What is DPR relay, And what for??

2 Answers   Engro,

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what will happen if the bus PT fuses are accidently removed from the circuit in 6.6kV feeder?

1 Answers  

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1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.

1 Answers  

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what is power factor

5 Answers   Exide,

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what is on line transformer and off line transformer.

3 Answers   Cisco, HP, ICC,

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Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

0 Answers   SK Engineering,

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Can anyone send details regarding motor protection relays ? their manuals please ?

1 Answers  

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Is the theorem applicable to ac sources?

0 Answers  

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how to calculate the ct burden?

1 Answers  

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What is the difference between induction generator and synchronous generator?

3 Answers  

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