A maximum torque control with a controlled capacitor for asingle-phase induction motor |
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Authors: | Tian-Hua Liu |
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Affiliation: | Dept. of Electr. Eng., Nat. Taiwan Inst. of Technol., Taipei; |
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Abstract: | This paper presents a new method to achieve a maximum torque for a single-phase induction motor. An AC adjustable capacitor using an electronic switch in parallel with a capacitor is proposed. The capacitor is short-circuited in a different period by an electronic switch during each cycle to vary the effective value of the AC capacitor. Two new optimization algorithms, which obtain a maximum starting torque by adjusting the effective capacitor, are proposed. No starting capacitor or centrifugal switch is used here. A theoretical analysis, and simulated and experimental results are presented in this paper |
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