how can a transformer test by megger?

1 Answers  

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how to improve power factor correction?

3 Answers  

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What is power factor? Whether it should be high or low ? why?

9 Answers  

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how do you find making current and breaking current of the circuit breaker

1 Answers  

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Why CT secondary should not be kept open?

7 Answers   Anna University,

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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what is voltage rise and voltage drop?

8 Answers   HP, jetking, TCS,

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why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??

0 Answers   Descon,

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fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

0 Answers   NIC,

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the rating of fuse wire i always expressed in what?

3 Answers  

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how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

3 Answers  

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What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

3 Answers   IOCL,

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