Answer / hardik sakariya

when due to any sudden disturbance in the power system any
surge(switching or lightning) is produce than the voltage at
which the Circuit Breaker opens is called the transient
voltage and the voltage at which the circuit breaker extinct
the arc and either isolate or restore the fault is known as
recovery voltage.

in dc transmission the frequency pi is zero, then how it will transmit communication signal?

1 Answers  

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HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?

0 Answers   TATA,

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Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?

0 Answers  

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what the different types of cables used for 11kv and 33kv over head work and what is the size of cable in sqmm.

2 Answers   Ordnance Factories Board,

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why transformer is rated in kva?

2 Answers  

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where would be tap changer in transformer & why?

2 Answers   Kentz,

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IF 5000amp current on LT 440V. then how much it will draw amp on HT 11KV side

10 Answers  

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Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?

3 Answers   Wipro,

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why are transformers rated in KVA and not in KW

8 Answers   ABB, Bosch,

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What is different between resistance grounding system and resistance earthing system?

0 Answers  

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,

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which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer

5 Answers  

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