In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

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if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

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what is neutral?

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Why HT voltages are expressed in 11KV,22KV,33KV and so on? (ie in times of 11)

3 Answers   Bhel, Park Hotel,

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

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Which neutral is use when DG(3 Phase)is running?

3 Answers  

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how to select earthing conductor size of amy motor/panel etc.

1 Answers   Sony, VBB,

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

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how to decide the panel size like MDB ,SMDB PANEL SIZES

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what is the meaning of DY-11 Z-5%

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please send me the L&T Emb. sys. placement papers and entire details of pattren

0 Answers   HMM, L&T,

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