Answer / akshat sharma

What i think, measured E/F is what we measure directly through a Zero-sequence C.T. or core balance CT. While derived E/F is which relay calculates from 3 c.t`s i.e vector sum of R/Y/B.

how many mega ohms insullation of the cable can't be use when testing with megger tester for Low voltage cable 240V use?

3 Answers  

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What is the difference between earthing,ground&nutral?

2 Answers   Bhel,

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Can without battery on line UPS,off line UPS or Invertor works please brief.

5 Answers  

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Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

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what is ELCB?

10 Answers   Wipro,

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why sec of ct should be kept shorted

2 Answers   Enercon,

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What is dry and wet flashover.

1 Answers  

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what is current actully?significance of current...not rate of change of flow.....

3 Answers  

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What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

0 Answers  

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wht is the purpose of the earth electrode other then earthing

1 Answers  

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is it possible to flow currnet between earth and nutral wire in a circuit???

2 Answers  

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which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

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