Why there is no provision of breaker in between primary of UAT and generator

1 Answers  

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Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

0 Answers  

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what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

0 Answers   Mega Power,

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What is the difference between the impedance percent and impedance voltage ?

0 Answers  

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I have 725KVA DG set how to Calculate the Ratio of KWH? Whatb is the Formila

7 Answers   HCL,

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Why fuel tanks to be earthed ?

6 Answers   Electronics, Hindustan Petroleum, HPCL, Ispat,

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What is a surge supressor why its is used in synchronous generators

0 Answers  

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Why we use RYB phase sequence?

3 Answers  

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What happens if ac excitation is given to the field of an alternator

3 Answers   Aurobindo,

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

0 Answers  

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What is the physical significant of power factor?

0 Answers   Cooper,

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in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.

0 Answers  

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