Question: Why three-phase power is superior to single-phase power for many applications ?
Answer:
1st Reason :
Three-phase machines and controls can be smaller, lighter in weight, and more efficient than comparable single-phase equipment. More power is supplied to them in the same period than can be supplied by a single-phase power circuit.
2nd Reason :
Only about 75 percent as much copper wire is required for distributing three-phase power as is required for distributing the same amount of single-phase power.
Answer:
1st Reason :
Three-phase machines and controls can be smaller, lighter in weight, and more efficient than comparable single-phase equipment. More power is supplied to them in the same period than can be supplied by a single-phase power circuit.
2nd Reason :
Only about 75 percent as much copper wire is required for distributing three-phase power as is required for distributing the same amount of single-phase power.
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