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Analysis of the influence of inverter PWM speed control methods on the operation of a BLDC motor

机译：逆变器PWM速度控制方法对BLDC电动机运行影响的影响分析

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An analysis of the influence of inverter PWM speed control methods on the operation of a brushless DC (BLDC) motor was carried out. Field-circuit models of the BLDC motor were developed taking into account rotational speed control by two classic methods: the unipolar H_ON_L_PWM and the bipolar H_PWM_L_PWM. Waveforms of the electrical and mechanical quantities and the motor parameters were computed. The results of the computations were verified by measurements performed on a specially designed test stand. On the basis of the measuredwaveforms of the electrical and mechanical quantities the dependence of the drive system efficiencies and power losses on rotational speed was determined for the two methods of inverter control.
机译：对逆变器PWM速度控制方法对无刷直流（BLDC）电动机操作的影响分析。 通过两种经典方法考虑转速控制，开发了BLDC电机的现场电路模型：UniPolar H_ON_L_PWM和BIPOLAR H_PWM_L_PWM。 计算电气和机械量的波形和电动机参数。 通过在专门设计的测试架上执行的测量来验证计算结果。 基于电气和机械量的测量布瓦地，针对两种逆变器控制方法确定了驱动系统效率和功率损耗对转速的依赖性。

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