Issues with cable cross-section selection? !

2019-03-29View Original

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The cross-section of cables is selected based on their current-carrying capacity. With power and voltage, the current can be determined. Single-phase electricity has a voltage of 220V, but it’s more difficult to determine the voltage for three-phase electricity. In a three-phase three-wire system, is the voltage across each cable 380V? Is the voltage 380V or 220V in three-wire, four-wire, and three-phase five-wire systems? Please give me some advice!

Reply #22019-03-29

Phase voltage: 220V, line (phase) voltage: 380

Reply #32019-03-29

I*380*sqrt(3)*power factor = power

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Issues with cable cross-section selection? !

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