Characteristic Analysis of Three Phase Salient Pole Synchronous Motor Driven by 180°Type Thyristor Inverter 〔Ⅱ〕

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  • 180°形サイリスタインバ-タ駆動による突極形三相同期電動機の特性解析〔Ⅱ〕
  • 180 ケイ サイリスタ インバータ クドウ ニヨル トツキョクケイ サンソウ

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When the synchronous motor is driven by the thyristor inverter，higher harmonic currents，caused by the harmonic contents of the inverter output voltage，are induced in the field winding and the damper winding of the motor. The characteristics of the motor are adversely affected by these harmonic currents，as has been qualitatively recognized in may papers. In this paper comparisons are discussed of the experimental and theoretically calculated values of harmonic contents determined by analysis，using a simplified graphical approach to Fourier analysis of the armature current，the armature active power and the power factor of a synchronous motor driven by a 180°-type thyristor inverter，and the influence of harmonic contents on the characteristics of the motor is quantitatively analyzed.

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