一种无谐波检测的三相四线有源电力滤波器  被引量:1

A Three Phase Four Wire Active Power Filter without Harmonic Detection

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作  者:韩旗[1] 张艳军[2] 

机构地区:[1]海军驻上海704研究所军事代表室,上海200031 [2]中国船舶重工集团公司第704研究所,上海200031

出  处:《机电设备》2015年第6期84-88,共5页Mechanical and Electrical Equipment

摘  要:介绍了一种无谐波检测的三相四线有源电力滤波器,可以同时补偿谐波和无功且不需要对谐波和无功进行检测。采用控制流入直流侧电流的大小和方向的方法使直流侧电压稳定,详细分析了负载有功电流对直流侧电压的影响;将负载有功电流作为扰动,提出了一种无谐波检测的新型控制策略,省去了复杂的检测算法,避免了检测算法引起的误差和延时,提高了动态响应速度。介绍了主电路参数的选型,并研制了一台实验样机,实验结果表明所提出的无谐波检测的三相四线有源电力滤波器具有较好的谐波、无功和不平衡补偿效果,较快的动态响应速度。A non-harmonic detection three phase four wire active power filter is introduced, which can compensate harmonics and reactive power without harmonic and reactive power detection. A DC voltage control method,controlling the magnitude and direction of the current flowing into DC side to make DC voltage steady is proposed. The influence of load active current on the DC voltage is analyzed in detail. A new non- harmonic detection control strategy is proposed with load active current as a perturbation. The proposed control strategy avoids complex detection algorithm, errors and delay caused by detection algorithm, which improves dynamic response speed. The main circuit parameters selection method is introduced and a prototype is developed. Experiment results exhibit excellent harmonic, reactive power and unbalance compensation performance and fast dynamic response speed.

关 键 词:三相四线 有源电力滤波器 无谐波检测 

分 类 号:TM464[电气工程—电器]

 

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