what's the different between ELCB, ELR and ELS?

1 Answers   CP,

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what is self commutation how a thyristor discharges through a capacitor and inductor

3 Answers  

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An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

0 Answers  

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what is difference between multimeter and transmitter

1 Answers  

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why a pure inductive circuit has zero power output?

8 Answers  

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where HT & LT capacitor uses ?

2 Answers   NTPC,

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what is the transformer rush current?

0 Answers  

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WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1 Answers  

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why transformer is rated in kva instead of kw?

1 Answers  

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How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

0 Answers  

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why C.T secondary are rated 5A generally?

13 Answers   ABC, Bhel,

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why we r not earthed Control cable of C.T. terminals

0 Answers   HCC,

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