In Scenario 230.26, what is the motor horsepower?

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Multiple Choice

In Scenario 230.26, what is the motor horsepower?

Explanation:
A motor’s horsepower comes from the actual electrical power it converts into mechanical power, not just the current it draws. To get horsepower, you multiply the input power by the power factor and the efficiency, then convert to horsepower. If the motor is fed from a three-phase supply, use HP = (√3 × V × I × PF × Eff) / 746. If it’s single-phase, use HP = (V × I × PF × Eff) / 746. The given values in Scenario 230.26, when worked through one of these formulas with the appropriate voltage, current, power factor, and efficiency, yield about 2 hp, which matches the motor’s rated output in that scenario.

A motor’s horsepower comes from the actual electrical power it converts into mechanical power, not just the current it draws. To get horsepower, you multiply the input power by the power factor and the efficiency, then convert to horsepower.

If the motor is fed from a three-phase supply, use HP = (√3 × V × I × PF × Eff) / 746. If it’s single-phase, use HP = (V × I × PF × Eff) / 746. The given values in Scenario 230.26, when worked through one of these formulas with the appropriate voltage, current, power factor, and efficiency, yield about 2 hp, which matches the motor’s rated output in that scenario.

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