CAJ | 학술논문

动态电压补偿器（ DVR）可治理配电网中的电压的跌落和不对称等动态电能质量问题，其输出滤波器的参数设计将影响电压跌落的补偿效果。本文对应用于中压配电网的级联H桥DVR的输出滤波器参数的设计进行了研究。通过对逆变器输出电压在电容两端和电感两端分配的情况进行分析，推导了滤波器电感和电容取值与电感两端和电容两端电压分配之间的关系，并结合低通滤波器谐振频率与DVR等效开关频率和系统工频的关系，计算得到电容和电感的取值。结合实例给出了具体的实现步骤，通过仿真计算验证了文中提出的滤波器参数设计方法的正确性和有效性。
동태전압보상기（ DVR）가치리배전망중적전압적질락화불대칭등동태전능질량문제，기수출려파기적삼수설계장영향전압질락적보상효과。본문대응용우중압배전망적급련H교DVR적수출려파기삼수적설계진행료연구。통과대역변기수출전압재전용량단화전감량단분배적정황진행분석，추도료려파기전감화전용취치여전감량단화전용량단전압분배지간적관계，병결합저통려파기해진빈솔여DVR등효개관빈솔화계통공빈적관계，계산득도전용화전감적취치。결합실례급출료구체적실현보취，통과방진계산험증료문중제출적려파기삼수설계방법적정학성화유효성。
Dynamic Voltage Compensator ( DVR) can be used to handle the dynamic power quality problems in distri-bution network, such as voltage sags and voltage unbalance, and the parameters of the output filter will have important affect on the voltage sag compensation results.In this paper, the parameter design method of the output filter of a cas-caded H-bridge based DVR applied in medium-voltage distribution grid is studied.Through the analysis of the distri-bution of inverter output voltage in the capacitor and inductor, and derives the relation between the value of induct-ance , capacitance and the voltage of inductance, capacitor, considering the relation of the low pass filter resonance frequency ,DVR equivalent switch frequency and system frequency, and calculates the value of capacitance and in-ductance.Combined with an examples, specific implementation steps are given, the correctness and validity of the de-sign method of filter parameters proposed in this paper are verified by simulation.