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 ,

If MF is 30000, pt ratio is 110 kV/110 v then what is the ct ratio?

2 Answers  

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we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 Answers  

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what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

0 Answers   Bhel,

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Why Dyn11 Transformer is selected for distribution transformer?

3 Answers   JK Associates, MSETCL Maharashtra State Electricity Transmission Co Ltd,

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how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.

0 Answers   Hyundai,

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what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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Whether the Dc motor Droping the power factor like AC motor if lot of motor running in factory is it necessary to connect capacitor bank

2 Answers  

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what is the function of rccb how it diffrentiate between elcb

1 Answers  

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CTs Ratio

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why there using acb enclosure in big buildings

0 Answers   Tata Power,

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in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?

2 Answers   Areva,

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How to calculate multiplication factor in kva example 500kva ans pls ?

0 Answers  

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