what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers  

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A 11000/415V distribution transformer is fed 415V upon it's LT side,Do I get 11000V upon it's Primary side ?

7 Answers  

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Why the output of OP-AMP is always less than Vcc?

0 Answers  

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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what is the d/f b/w dol & star delta starter.

2 Answers  

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does magnetic interlocking take place in an induction motor ?

2 Answers  

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Why induction motor is widely used in industry

0 Answers   BARC, Honda,

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What is converter transformer? Diff b/w converter transformer and distribution transformer? why we use converter transformer in place of giving supply to drives?

1 Answers  

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why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

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What are the protection used for alternator,transformers.

2 Answers   Adani,

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what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?

3 Answers  

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(1)Electrical power is generated in KV, power consunmed is in MW and the transformers used are in KVA. How is KVA converted to MW as power being consumed by the consumers? (2)What is vector group of a transformer?

1 Answers  

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