how freewheeling diode improves the powerfactor

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6.6Kv feeder feeding tow step down transformers-415V-,what the possible consideration for parrellel operation?

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Can we use all 3 cores of a cable to connect DC motor + ve terminal and similarly one more cable for - ve terminal.

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What is the value of specific gravity in charged lead acid batteries.

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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how can we calculate fault current of a line in a 6 bus syatem if the faulted line is known?

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Does the total power means fundamental plus Harmonics?

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what is the effect of power factor of machines in starting current

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Can Dy11 and Dy1 vector group transformers be paralleled?

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our factory is going under construction mean time transformer 1000 kva 2 nos &load break swithch 12 kv & 4 nos 750 kva 2 nos & 380 kva 2 nos generator to be errcted.how to arrange earth pits &how to earth connect & neutral pit how to calculate in earth bit size.

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why would amp draw on neutral wire be as much as amp draw on the hot leg.

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Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

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