why ELCB can't work if N input of ELCB do not connect to ground?

5 Answers  

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A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?

0 Answers   Siemens,

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Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

0 Answers   TCCL,

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which is more dangerous A.c or D.C?

26 Answers  

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How can calculate the daily electrical consumption of 7.5 HP motor, if the moter runs 24 hrs continiously. Also have to know about 3.5 hp chiller.

0 Answers   Wipro,

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practicalLY what is impedence ...?

2 Answers  

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during positive and negative half cycle of ac supply what happenes in the load?

1 Answers   Siemens, Wipro,

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What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

0 Answers  

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can any one provide some material?

1 Answers  

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What is mean by hot and cold loop testing? What is the difference between them?

0 Answers  

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what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

0 Answers  

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Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

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