The Cable voltage drop is the expected voltage drop on a cable circuit, based on the length and cross sectional area of the bar. Where there are a number of cables in parallel, assume the cable cross sectional area is the actual area multiplied by the number of cables in parallel. i.e. 5 cables of 6 mm in parallel would give the same resistive voltage drop as a single cable of 30mm.
To calculate the voltage drop of a length of cable, select the cable size and the current passing through the cable. The circuit configuration also needs to be specified. "Single Cable" refers to the voltage drop along a single length of cable, while "Single Phase" refers to the voltage drop of two equal lengths of cable, one in the active circuit and one in the neutral circuit. "Three Phase" calculates the voltage drop between the supply and a three phase load where three equal cables are used for the three phase circuits. The program displays the voltage drop for a copper cable.
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