What will be the capcity of 3 phase DG set require for 25 KVA single phase lighting load?

7 Answers   Supernova,

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What are HT & LT Cables? What are their values?

3 Answers   IOCL,

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Why we are checking the vector group & turn ratio of Xformer while PM?

1 Answers  

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My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I -    is the value of AC fault current. t -    is the operating time of disconnecting device in seconds. K –  is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.

0 Answers   Premier,

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freuency meter

1 Answers  

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What is measurement?

0 Answers  

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If a earth leakage circuit breaker trips is it possible to tell which house circuit breaker (I have four) is the faulty circuit?

1 Answers  

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Which system use dc to dc high voltage gain A. Solar system B. Battery backup

1 Answers  

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how system voltage affect the power factor or vice-versa.

4 Answers  

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why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

0 Answers  

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State kirchoff voltage law?

0 Answers  

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why we cant control neutral instead of phase in single phase?

3 Answers  

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