What is 2P*0.5 sqmm screened copper cable and what is the use of it..?

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Determine the minimum cable size for a 28A single phase final sub circuit originating from the distribution board supplied by three phase submain. The route length of the final sub circuit is 54 m. Assume 1% voltage drop in the consumer's mains. Submain specification: Cable: 50mm2 4 core V75 copper; Route length 42m; Maximum demand 135A per phase

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

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Is it true that IPT are more accurate than CVT for Measuring purpose?

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what is wave traps and why it is been used in switchyards?

1 Answers   NHPC,

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what is total power generation in tamilnadu What are the methods used powerfactor improved? which place DC transmission line usde?

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What is the formula to calculate the size of Aluminium and copper cable?

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what are the duty ratings in DG sets?

1 Answers   L&T,

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What is the difference between ohmic resistance and effective resistance?

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Define pole pitch?

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How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

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what is subtransient , transient and study state ac components

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