Answer / shahbaz shaikh

it is the ratio of active power to appearent power it is
denoted by cos phi
it is used to find the power ,and othe rcalculation

Answer / ghulammohyhuddin

what is power factor

apparent lode and actual lode is power factor

why is it so important

this is very impotent because control mager demand

that min is if your lode is govt 100amp approval if is
goning to 120 whan to start motor or etc will be amp high
for a second . this will be meter record in meter
electrical company . so power factor work is leed or lage
in this mater . whan lode is going up capastor is working
sablish the voltage and crrent not gonig up ,

Why the arms of delta in a delta-wye power transmission system are kept constant??

0 Answers  

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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Where we use 30mA , 100mA & 300mA RCCB ?

3 Answers   BEL,

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On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?

3 Answers   Ambe Consultancy, Siemens,

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operation of protection relay watchdog contact?

0 Answers   L&T,

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What is mean by ideal infinite bus? Why it is required to consider in fault short circuit calculations?

1 Answers  

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What is “pu” in electrical engineering?

0 Answers  

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I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

0 Answers   College School Exams Tests,

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what do u understand from filter factor of reactor?

0 Answers  

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What does Transformer vector connection Dy11y5 means?

1 Answers  

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During speed control of dc shunt motor with flux control methode,when armature voltage is constant, How can it possible to increasing the armature current?

1 Answers  

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why odd hormonics only will effect the power system.why not even hormonics

1 Answers  

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