lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root of 2. now the question is, IS this above formula correct for both STAR and DELTA connected system???

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what is the differnce between vector and phasor? are both same or there is difference between two term.?

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i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

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Define unilateral circuit?

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Which is is best option for 33 kv line incomer.I am Desinging the panel for new projects and i would like to get Your opinion on this Vcb or sf6. Please help me with your replies. Thanks D p singh

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why we step down the voltage from 440 to 220 in machines

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what is frequency response?

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anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

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how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)

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Why need 3phase machine double earthing?

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why chock were used in old tubelights but are not newest tubelights?

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What is mean by spike arrester(Voltage Operated)

0 Answers   Siemens,

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