I know current,volt,powerfactor of an electrical line. In this line how I will

I know current,volt,powerfactor of an electrical line. In
this line how I will calculate Active power and Reactive power

Question Posted / joe

2 Answers
4898 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active pow..

Answer / ghanshyam singh

active power is V.I.cos(theta)
while reactive power is V.I.sin(theta)

Is This Answer Correct ?

6 Yes

1 No

I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active pow..

Answer / v.r. shinde

For active power.

P= V*i*cosQ ( watts) wherw Q is the angle between phase
vol. & phase current.

For Reactive power.

P = V*I. ( VA)

Is This Answer Correct ?

2 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

in three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than ohter two pin? what its purpose ?

6 Answers

Please explain, how to test vector group of tranformer(Delta y1) . Thank

0 Answers PGCB,

Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

0 Answers

sir, plz tell me how much kvar capacitor required for 1000 amp or 500 Kw load ? what is the formula ?

14 Answers CSPL,

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

0 Answers

it is possible to measurement of tension of slipring induction motor(SRIM)carbon brushes, any maesuring instruments are available in the markets.

0 Answers

What is the allowalable frequency variation in India and in US? Why there is the difference?

3 Answers

what is interpose? where it is used and why it is used?

0 Answers

What is difference between Earthing, Ground and Neutral?

1 Answers ABB, ABC, Indo Asian,

armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

0 Answers

What is the difference between KW & KVA ?

9 Answers

A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

0 Answers

For more Electrical Engineering Interview Questions Click Here