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This paper proposes two unconventional voltage supplies, over voltage and under voltage, and unbalanced voltage conditions. In case of voltage unbalance, only amplitude of unbalance voltage is taken into account. In addition, the influence of unconventional voltage sources on three-phase induction motor performances is presented. This is advantage in terms of the relationship between the condition of unconventional voltage and the derating factor of motor horse power to prevent the motor damages
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Faculty of Engineering and Technology
Mahanakorn University of Technology
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