Answer / muhammed

first you calculat the load after that you calculate the current using this equation I= P/(ROOT3*V*POWER FACTOR)
after there is one cable selection table(available in google) using current rating check that cable and select the cable size

which is more dangerous AC\DC supply

3 Answers  

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hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer

3 Answers   Hindalco, Piramal Healthcare,

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What is means by MacAdam Ellipse?

1 Answers  

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what is the difference between multimeter and megger?

3 Answers   Bhel, Metro,

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why the transformer ratings in kva or mva?

4 Answers  

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Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

0 Answers   Kazi Farms, SKI Carbon Black,

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What is the minimum load that you can keep in a 3 Phase 40 KVA Diesel Generator? Is it neccessary to load all the 3 phases? Can a phase be left without load?

2 Answers   DRDO,

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what happens if generator is running leading power facotor?

9 Answers   century,

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How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

0 Answers  

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how can we calculate the current

3 Answers  

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How to calculate the cross section area for a 350 m cable, motor power is 26 kw???

1 Answers   Orient,

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Using 11000V/433V,3 ph,50Hz,500 KVA, what is the maximum capacity of motor in KW that can be connected and started at a single moment? Also explain about any calculations and formulas used in deriving the same.

4 Answers  

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