What is mean by earthed & unearthed cable? Voltage grade of 1.9/3.3 kV(E), 3.3/3.3 kV(UE), 3.8/6.6 kV(E)what it indicates??

2 Answers  

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how sensors are working?

1 Answers   Amazon,

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what is main reason for grid earthing for any industry

4 Answers  

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star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

7 Answers   HP,

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why two over current realy used in vcb.

2 Answers   BSES, Wipro,

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Which device of PlC does share load between DG sets when DG are running in perallel?

0 Answers  

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generaly all power generating devices is expressed in KVA or MVA then why power ststion is expressed in MW

6 Answers  

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what are frequency changers ? Tell me about commertially availble frequency changers ?

1 Answers   GE,

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How to select a cable size for particular load?

0 Answers   Amit Enterprises, Takasago Engineering, Techno Electric and Engineering,

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IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

2 Answers  

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Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?

1 Answers  

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why dc supply is not applied for step up or down in transformer

3 Answers  

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