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If you know the size of the load to be served, multiply it by 125% ( times 1.25) and choose a conductor that is rated for that ampacity or higher.

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13y ago

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Could you Calculate cable size for 100 kw load?

To calculate the cable size for a 100 kW load, you would need to consider factors such as the voltage of the system, the type of cable insulation, the ambient temperature, and the installation method. The cable size is typically determined by the maximum current the cable will carry without overheating. Using the formula: Cable size (mm²) = (2 x L x I x R) / (√3 x V x cosΦ), where L is the cable length, I is the load current, R is the resistance of the cable, V is the voltage, and cosΦ is the power factor, you can calculate the appropriate cable size for the 100 kW load.


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The length of the cable is determined by the distance from the center of the distribution panel to the center of the load.


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What is load cable?

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What is the formula to calculate the load on 2.5 square mm cable?

To calculate the load on a 2.5 square mm cable, you can use the formula: Load (in watts) = Current (in amps) × Voltage (in volts). The maximum current that a 2.5 mm² cable can safely carry depends on factors such as insulation type and installation conditions, typically around 20-25 amps for standard installations. To find the load capacity, multiply the maximum current by the voltage of the circuit. Always consult local electrical codes for specific guidelines and safety standards.


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.


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How do you calculate a cable size for a certain load?

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What will the voltage drop on a 1.5 mm cable run 1.5 kilometres be?

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