Answer / annu singh

power factor is cosine value of angle between voltage and
current. is represents that votage is leading /lagging from
current or not.

Answer / tiger

PF IS THE RATIO OF ACTIVE POWER TO APPARENT POWER.

Answer / biswa

Pf is the co sine angle between voltage & current,it depends on kind of load ,if the angle is more gen "ll hv more current(actual +reactive current) un necesserily(kvar),which means same load more current,causes overheating of d/g,in case of comparatively less load over current trip will occur.

gas turbine genrator reactances

0 Answers  

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HOW TO CALCULATE THE ILLUMINATION IN INDOOR LIGHTING?

0 Answers   L&T,

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what is meant by generator differencial protection?

1 Answers  

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why transformer rating is mentioned in kva?

1 Answers   JK Electric Works,

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how many types of ACB breakers, describe briefly..?

0 Answers  

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what is meant by excitation which supply is used whether ac r dc in the lab applications

1 Answers  

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a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 Answers  

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in shunt clippers why a resistor is used in sereis with the input

0 Answers  

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if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

0 Answers   Power Plant,

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what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

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wwht is wave trap used in ht line

4 Answers  

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Is there any decided or standard frequency to check the meager testing of transformer, DG set, LT Panel in the industries in a year. I means how many times we should be check the same.

2 Answers  

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