Answer / m tashfeen abbasi

UPS calculate in watt and battery calculate in AH(ampere hour)

Answer / aamirali

we can use this formula: Max Amp= (KVA rating)/ (kv*1.73)
for three phase supply.

In aircraft,why we use 400 htz equipment.and use common earthing

1 Answers  

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why most of the induction are delta connected?

6 Answers  

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How npn and pnp transistor works

0 Answers  

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if two bulb of 50w &30w apply in series having 230v the which bulb glow bright ,why

10 Answers  

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what is the healthy specific gravity of lead acid battery used in DG sets ?

3 Answers   Bhushan Power Steel,

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what are difference between indoor and out door substation

1 Answers  

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DG drop how much freqency at 100% load?

3 Answers  

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if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

2 Answers  

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In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

0 Answers   Siemens,

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what is self capacitance of inductor

0 Answers   Bhel,

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how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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what is the use of the puls transformer in UPS & how it works???????????

0 Answers  

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