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Difference between single phase supply and three phase supply
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S.No. Single phase supply Three phase supply
1 The single phase supply requires two wires (one phase and one neutral) for completing the circuit. The three phase system consist four wires, tree conductors and one neutral
2 In single phase supply, the power flows through one conductor. the three phase supply consists three conductors for power supply.
3 The single phase supplies the voltage up to 230V Three phase supply carries the voltage up to 415V
4 The single phase has two wire which makes the network simple. The single phase system has only one phase wire, and if the fault occurs on the network, then the power supply completely fails. Three phase system the network has three phases, and if the fault occurs on any one of the phases, the other two will continuously supply the power
5 The single phase supply is mostly used in the house and for running the small loads. he three phase supply is used in large industries and for running the heavy loads.
6 The single phase supply requires more maintenance and become costly as compared to three phase supply. The three phase supply requires less maintenance and become less costly as compared to single phase supply
7 The efficiency of the single phase supply is less as compared to three phase supply. Because the three phase supply requires less conductor as compared to single phase supply for the equivalent circuit. The efficiency of the three phase supply is more as compared to single phase supply
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