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

1 Answers  

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what is polarity in ac system? and how do identified?

1 Answers  

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What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

0 Answers  

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how do using transformer 30 deg lag or 30 deg lead

1 Answers  

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

2 Answers  

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

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What is Biased Generator Differential Relay?

2 Answers  

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What is the equipment used to control the generator output?

4 Answers  

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What will happen if I apply DC to AC transformer? please send detailed answer at habib_rahman_habib786@yahoo.com

4 Answers  

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WHAT IS THE FULL FORM OF ONAN ( TYPE OF COLLING IN TRANSFORMER)

7 Answers  

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How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transformer

2 Answers   ABB,

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why multiplying factor is used in wattmeter???

1 Answers   Nippon,

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