CAJ | 학술논문

　　三相电压源型并网逆变器交流侧采用LCL滤波器可有效地减小滤波器体积和容量，但易引起滤波器谐振问题。采用有源阻尼控制方法可以避免滤波器的谐振问题，在不额外增加传感器的前提下，提出了基于带通滤波器的有源阻尼控制策略。分析了带通滤波器环节分别采用调制波带通滤波控制、反馈电流带通滤波控制和比例积分谐振(proportion integration resonant，PIR)调节器控制的3种控制方法，并对3种有源阻尼方案进行性能比较。仿真和试验结果验证了3种有源阻尼控制方法的有效性，且采用PIR调节器的方法更适应于谐振频率多变的系统。
　　삼상전압원형병망역변기교류측채용LCL려파기가유효지감소려파기체적화용량，단역인기려파기해진문제。채용유원조니공제방법가이피면려파기적해진문제，재불액외증가전감기적전제하，제출료기우대통려파기적유원조니공제책략。분석료대통려파기배절분별채용조제파대통려파공제、반궤전류대통려파공제화비례적분해진(proportion integration resonant，PIR)조절기공제적3충공제방법，병대3충유원조니방안진행성능비교。방진화시험결과험증료3충유원조니공제방법적유효성，차채용PIR조절기적방법경괄응우해진빈솔다변적계통。
Although LCL filter can reduce filter volume and capacity effectively in three phase voltage PWM rectifier, it causes resonance problem. Using active damping control can avoid resonance, but traditional active damping strategies need extra sensors or get differential disturbed. An AD control strategy based on band pass filter(BPF) is proposed without extra sensors. The modulation voltage control, current feedback control and PIR control are analyzed in different BPF position. Based on parameters influence on resonance suppression and stability control, the advantages and disadvantages of three AD method are analyzed. The simulation and experimental results indicate the correctness of BPF active damping strategies.