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Which size of copper cable in mm should use for 90kW 440V 3phase 50Hz motor and can you know how is calculate?
MoeMinThan
cable size for the 90kW motor is 3CX150sqmm aluminum cable
Wiki User
∙ 12y ago
Wiki User
∙ 13y ago90kW = roughly 150A, depending on installation methodology and distance from source, I would start at a 50mm² with a 25mm² IEW or BCEW.
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To answer this question the voltage of the unit must be given.
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100 kw is the power drawn by the load. to calculate the cable size you need to know the voltage. From that you can calculate the current. this decides the cable size. for example if the voltage is 400Volts then the current flowing in the circuit when the load is 100 KW will be 250 amps. (100,000/400). for 250 amps to flow with out causing excessive heating of the cable the cross sectional area of the copper cable should be 150 sq mm.for a round cross section the diameter will be roughly 15mm.
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How to calculate cable conductor weight?
Basic calculation is: no. of cores x cross-section of one core x 9,6 = copper weight in kg/km e.g. copper weight for cable 4x2,5 = 4 x 2,5 x 9,6 = 96 kg/km This is how cable manufacturers calculate the copper weight. Pls notice that it's valid formula only for cables without screening/shielding. If you know cross-section of screening, you can add that to the formula.
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What size cable should be used for a 3phase 10kw Air Heater?
To answer this question the voltage of the unit must be given.
How you calculate voltage drops in a cable knowing resistance or impedance and line current in a 3phase system?
Ohm's Law - V = IR.
If you can see a copper conductor cable what should you do with the cable?
according to CompTIA A+ guide to hardware Lab Manual: "Any visible copper is an indication you need a new cable." -jazzmarazz13
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copper cost more to mine then aluminum so aluminum will cost less then copper cable.
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A copper cable transports electrical signals. An optical cable transports light signals.
For 100kw which cable size is good and how to find out cable size?
100 kw is the power drawn by the load. to calculate the cable size you need to know the voltage. From that you can calculate the current. this decides the cable size. for example if the voltage is 400Volts then the current flowing in the circuit when the load is 100 KW will be 250 amps. (100,000/400). for 250 amps to flow with out causing excessive heating of the cable the cross sectional area of the copper cable should be 150 sq mm.for a round cross section the diameter will be roughly 15mm.
How do you calculate weight of copper in 50mm square core size of cable?
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What ia Standard of dc loop resistance of copper cable?
It depends on the length of th cable and the diameter of the copper cable used.
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