What is the role of Dedicated earthing in UPS System?

0 Answers   HCL, MSPL,

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why using in cable mm square which is mm & which is square why using mm & square.

1 Answers   Airtel,

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draw a dol with the following rtds,stop/start,ct,vt and o/l supply is 6.6kv and the coil is 110v

1 Answers   Anglo Eastern,

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What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

0 Answers  

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how much importance of power factor in single phase. is it,s importance is quiet same as like three phase power system.

1 Answers  

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what is the function of commutator in dc motor?

10 Answers   CTS,

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What are the types of windings according to the construction?

0 Answers  

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Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

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why do transformer make a sound

4 Answers  

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can we calculate the diameter of the cable by its cross section?

1 Answers  

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why the supply frequency in india is 50hz?

2 Answers  

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new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

0 Answers  

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