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Three-phase power is particularly well-suited for large industrial motors due to its efficiency and capability to handle high power demands. Unlike single-phase power, which can struggle to deliver the necessary energy for industrial applications, three-phase power provides a more constant and stable flow of electricity. This is essential for motors that require high starting torque and continuous operation, such as those found in manufacturing and heavy machinery.

In industrial settings, three-phase systems allow for smaller and more efficient equipment compared to single-phase systems. This results in a decrease in wiring costs and minimized energy losses, making it a preferred choice for large-scale operations that need to ensure reliability and performance for heavy loads.

The other options, such as residential lighting, small appliances, and household fans, generally operate adequately on single-phase power because their power requirements are significantly lower, making three-phase systems unnecessary and more costly for those applications.