11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.000

3 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

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Short circuit test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D stator reactance

2 Answers  

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

0 Answers   L&T,

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What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

0 Answers  

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Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

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what is the Auto Mains Failure Panel function in DG?state its function?

3 Answers  

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I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

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What differance between Circuit brekar and Isolater?

14 Answers   TATA,

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what is the function and use of oil filled cables specify its advantages and disadvantages

7 Answers   Alstom,

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in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

0 Answers  

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