what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

1 Answers  

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During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

7 Answers   ABB, SDBL,

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What is plc and how to do preventive maintenance

1 Answers  

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WHY TRANSFORMERS ARE RATED IN 11KV 22KV 33KV Instead off 10kv 20kv 30kv

5 Answers  

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calculation of knee point voltage of current transformer?

2 Answers   TATA,

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why transformer rating is expressed in kva.

4 Answers   Electrosteel, L&T,

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Distinguish between Earth & Neutral?

5 Answers   Essar,

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800A 22KV TP OCB. explain

1 Answers  

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how percentage impedence effect on the size of the power transformer?

2 Answers   Bhel,

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why t/f are rated in kva. is it conserned with p.f.

3 Answers  

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There is any especial requirement for motor to drive through with VFD?

0 Answers  

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when turbine trips generator will becomes induction motor or synchronous motor?

4 Answers   JSW,

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