why two over current realy used in vcb.

2 Answers   BSES, Wipro,

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What is the Surge suppresor? Why using in a UDB's and How it works?

0 Answers  

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In pakistan appliances work on 220v at 50hz and in us appliances work on 110v at 60hz what is basic theory to explain it

1 Answers   SNGPL,

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why we are using2 wave trap in a feeder?

1 Answers  

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I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

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what do you mean by mf of energy meter & its formula?

4 Answers  

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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how to calculate the size of cable for 100 kva load,?can somebody tell me with a formula

7 Answers   Havells,

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why dc source used for HV breakers and Relays operation?

2 Answers   Cethar,

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While miss missed name platform fo electric motor how to calculate simple fourmul,?

1 Answers   ABB, ABC,

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Meaning of CTPT ,how it works &how it measures the reading on trivecter meter,&what is trivecter meter

1 Answers   PF, Student, TSSPDCL,

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how much excitation voltage required to generate 1mw power?

0 Answers   Saudi Oger,

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