A systematic description of the state switching in trilogic PWM signal generation of three-phase CSR by using the conversion between bilogic and trilogic switching functions.
通过二、三值逻辑开关函数间的转换，系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换；
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
建立了三相电压型PWM整流器电流控制数学模型，输入电流在静止坐标系下实现了固定开关频率的解耦控制。
In the three-phase inverter-fed motor drives, the switching devices'PWM waves generate shaft voltage and bearing current, and these make the motor's life shorter.
在三相逆变器驱动电机系统中，开关器件的PWM波导致了轴电压和轴承电流的产生，使电机受到危害，降低了电机的使用寿命。
The article introduces the direct power control (DPC) principle and constitution for three-phase boost - type PWM rectifiers and analyses switching table.
介绍了三相电压型PWM整流器直接功率控制(DPC)系统的组成与原理，分析了开关表的形成机理。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
The saw-tooth carrier waves with positive or negative slope alternately are studied and applied into the three-phase PWM inverter soft-switching operation.
研究采用正负斜率交替的锯齿载波，成功地解决了主电路在任何电压矢量下都能实现零电压开关动作；
The saw-tooth carrier waves with positive or negative slope alternately are studied and applied into the three-phase PWM inverter soft-switching operation.
研究采用正负斜率交替的锯齿载波，成功地解决了主电路在任何电压矢量下都能实现零电压开关动作；
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