whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

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what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

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How can we define 'Phase'

4 Answers  

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why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?

2 Answers  

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What will be the effect of in HT XLPE 220 KV cable when one side of the Armour/cable ends are not grounded. Will there is difference between 3-phase voltages? like: if A. Both End of Cable grounded Phase Voltages:- V1=219 KV, v2=220 Kv, v3=220 KV. B. One End is grounded other is not: than Impact on Phase Voltages:- V1= KV, v2= Kv, v3= KV. Remain same or unchanged??

3 Answers   Jamshoro,

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i have 1500 kva generator how much maximum load avilable of use

1 Answers   Dr Reddys,

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draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups 

0 Answers  

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how we identify AC or DC machine at the time of seeing, with out use of name plate?

4 Answers  

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Define non-touching loop.

0 Answers  

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how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

4 Answers   Areva, KPTCL,

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How many safety of Disel Generator

5 Answers   Sail,

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whats happen if we disconnect the NGR of alternator in running condition?. Generally we observed that transformer netrul is directly grounded but alternator connected with NGR, then ground?

1 Answers  

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