Answer / muhammad ali mughal

By changing KVAR(Reactive Power) will not effect KW(Active Power). If KVAR changes then KVA(Apparent Power) changes.

Answer / ritin

No but is ther any effect of KWHR or KVAR on KWH of KW ?

if we reduce KVAR then will Kw increse or decrease or no
change ?

Answer / k.prakashchandra

Just like KVAR and KW .It is KVARH not KWRH

How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

2 Answers   Essar, Philips,

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in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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How to find the voltage drop for short,medium,long transmission lines of a 33kv sub-station?

1 Answers  

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How to calulate Locked rotor amper(LRA) for compressor type motors?

0 Answers   MAF Dalkia,

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what is ht breaker

8 Answers  

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PAC and simple Ac different

0 Answers  

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why a single phase motor of same rating takes more amps than the three phase motor? as single phase motor at 230v takes 5amp per HP while 3 p motor takes 2.5amp per hp at 230v.

1 Answers  

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Which Transformer is commonly used for power distribution?

11 Answers   HSL,

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

0 Answers  

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How to distinguish between the armature wires with the field wires of a Dc motor ?

5 Answers  

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If one lamp connect between two phases it will glow or not?

9 Answers  

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