why on delay timer used for fully automatic star delta starter?

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what is the accaptable voltage between neutral to earth & How to reduse the resistance of earth in chemical earthing

4 Answers  

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Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

0 Answers  

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Transformer/insulating oil tester(BDV tester)

1 Answers  

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What is reverse power relay?

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the winding of Generator and Motor is star or in delta ? and why

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why C.T secondary are rated 5A generally?

13 Answers   ABC, Bhel,

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How much voltage we need to apply in 33kv cable during hipot test of cable

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A distribution transformer giving afrequency of 200HZ, where it is rated for 50HZ. when it will occure?

2 Answers  

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for 24000kv transformer what is the value earthing resistence?

1 Answers  

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electricity requires a medium to flow and it cannot flow through air. so how does lightning come to earth through air without any medium?

3 Answers  

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what is the benift of HT metering & LT metering

1 Answers  

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