To calculate the maximum permissible voltage drop, we need to determine the acceptable voltage limit according to electrical standards and regulations.
In general, most electrical standards consider a maximum voltage drop of 5% as acceptable. This means that the voltage at any point of consumption should not drop more than 5% of the supply voltage.
To calculate the maximum permissible voltage drop, we use the formula:
Maximum Voltage Drop = 0.05 * Supply Voltage
In this case, the supply voltage is 240 V:
Maximum Voltage Drop = 0.05 * 240 V
Maximum Voltage Drop = 12 V
Therefore, the maximum permissible voltage drop between the supply and any point of consumption is 12 V.
A block of flats is connected to a 240 V single-phase supply. Calculate The maximum permissible voltage drop between the supply and any point of consumption.
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