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中文摘要：
针对三相电压型（pulse-width modulation,PWM）整流器的能量成形和端口受控哈密顿（PCH）控制中恒阻尼注入存在的问题,本文建立了三相PWM整流器的功率PCH模型,设计了三相电压型PWM整流器的PCH控制器,并采用跟踪微分器调整注入控制系统的阻尼值,实现了整流器的变阻尼控制。仿真结果表明,当阻尼注入较小时,电压达到稳态时较慢;当阻尼注入较大时,电压输出会有较大的超调,稳定性差,因此选择合适的输入函数和参数值,可以实现阻尼值按期望变化。该方法实现了三相PWM整流器的单位功率因数运行,输出电压快速达到设定值并且保持恒定,满足了控制要求,并为电力电子功率变换提供了新途径。
英文摘要：
For the three-phase voltage-type PWM converter using energy shaping and port controlled Ham- iltonian to design controller, the power model of three-phase PWM rectifier is established in this paper and the PCH controller of rectifier is designed, and it changes damper by the tracking-differentiator to realize the variable damping control. Simulation results show that when the value of damper injection is small, the system starts slow. While the injection is too big, it induces a lot of the output voltage overshoot. There- fore, by selecting appropriate input function and parameter values, damper values can be achieved by ex- pectations. The method can make rectifier run with unit power factor, the output voltage quickly reaches the set value and keeps stable to meet control requirements, and provides a new approach for the power e- lectronic converter.
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