Which of the following motors will operate at high power factor ?
Correct answer: D. Capacitor run motor
- A. Shaped pole motor
- B. Split phase motor
- C. Capacitor start motor
- D. Capacitor run motor
Explanation
The running capacitor remains in circuit in a capacitor-run motor and continuously supplies reactive current, improving the phase relationship and giving a relatively high power factor. A capacitor-start motor uses its capacitor only during starting.
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