Answer / sushil259

What is EB meter............?

Answer / pradeep

capicitors are normally used to improve the power factor.
because of this it is used in meters.

one hp 3phase motor what generate power factor

1 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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WHY 6.6KV MOTORS ARE STAR CONNECTED AND WHY NOT DELTA CONNECTED,

15 Answers   Bhel,

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Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?

1 Answers  

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what is the difference between real and reactive power? and what is the importance of these

3 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

1 Answers   DLF, Tata Steel Limited,

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While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

0 Answers  

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What is the disadvantage in proportional controller?

0 Answers  

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At the time of 1st charging of transformer, there were huge inrush current, so why at that diffrential relay are not operated? Why?

3 Answers   Adani,

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why needtwo winding LV and HV in transformer?

1 Answers   Organic Industries,

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Reason of secondary of ct always short

5 Answers   ANITS, EID Parry,

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