Answer / mintuk1@gmail.com

In India standard frequency 50 .we are made all machine /device at this frequency.that's why no working properly either it's ok less or more. It's due to if frequency is high then more impedance will offer. on the other hand if it less then current will high in the system

how the calculation is done if the DG set require for the -- -48 to -51v 4000 ah battery set .

1 Answers   BSNL,

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hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer

3 Answers   Hindalco, Piramal Healthcare,

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why supervision relay is used in incoming feeders?

1 Answers  

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what is counter poise conductors

0 Answers   IBM,

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how many bulb of 60watt at 300volt is used to maintain 0.25 amp.with valid reason?

4 Answers   Cords Cable, TATA,

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What does VVVF stands for in VVVF drive ? How does it differ from VVF drive?

8 Answers   HAL,

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How to calculate the Efficiency of Chiller

0 Answers   Knight Frank, L&T,

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why all selected supply voltages are multiple of 11.i.e440,11 kv,33 kv,66 kv,110 kv etc

6 Answers   Suzlon, TCS,

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How much resistance between neutral earthing and body earthing of Power transformer?

1 Answers  

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what meant by Locked Rotor Current ?

2 Answers  

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draw singleline diagram of star to delta and dol starters

0 Answers   JCP,

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if three phase supply is given to single phase transformer, what will happen?

3 Answers  

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