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针对电气化铁道谐波、无功的综合治理要求和特点，利用一种单相并联型混合有源电力滤波器，将有源滤波器的输出电压反馈控制，保证了有源滤波器输出的基波电压为零，有效地减少了有源滤波器容量。通过分析混合滤波器谐波补偿原理，探讨系统控制电路。在ＭＡＴＬＡＢ／ＳＩＭＵＬＩＮＫ的仿真软件下，建立混合滤波器仿真模型，验证了方案的正确性和可行性。
Aiming at the requirements and characteristics of integrated control of harmonic and reactive power in electrified railway, a single-phase parallel hybrid active power filter is adopted to feedback control the output voltage of the active filter to ensure the fundamental wave output from the active filter The voltage is zero, effectively reducing the active filter capacity. By analyzing the principle of hybrid filter harmonic compensation, the system control circuit is discussed. Under the simulation software of MATLAB / SIMULINK, a hybrid filter simulation model is established, which proves the correctness and feasibility of the scheme.