Answer / manoj

p=vi
where
p=power
v=voltage
i=current

Answer / anket

For DC system  it is V*I

For AC system

P = V*I*COS0 (True power)

Q = V*I*SIN0 (Reactive power)

S = V*I (Apparant power)

Answer / ganesh bidgar

p=v*i

415v 14kw so can u tell me how i can measure the cable size.then size of the earth also

1 Answers  

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why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other

2 Answers   HCL,

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What is difference b/w Microwave and OPGW ??

1 Answers  

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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why need to be maintain power factor for industrial customer?

2 Answers  

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1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

4 Answers   Havells,

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Natural frequency in the control system represents nature of a. Transient response b. Oscillations c. Overshoot d. Speed of responce

1 Answers  

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how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

0 Answers  

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How to work definite,over pluxing,revers power,OSR relay

0 Answers   Ford,

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why power dissipation is due to low frequency?

1 Answers  

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What is the function of NER and NET?

0 Answers   Asian Paints, GHH RAND,

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

0 Answers  

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