How can step up and step down process in power transformer

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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what are the analog quality input for protection function?what are minimum reqiments?

0 Answers  

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What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?

4 Answers   CGL,

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Define thermal resistance in the context of power amplifier.

0 Answers  

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What is the efficiency during maximum power transfer?

0 Answers  

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How many current ratings of MCB's are in the market? e.g: 1A, 2A, .......upto.

4 Answers  

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what type of oil is used in transformers? a)conduting b) insulating

25 Answers   ABB, LGS,

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Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

9 Answers   ABB, Reliance,

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1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

0 Answers   TATA,

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please explain me about traction application?

2 Answers  

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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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Why iron core transformers not used in high frequency applications ?

3 Answers  

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