Simulation and Analysis of Three-phase Four-wire Four-leg APF with Deadbeat Control
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摘要: 文章以三相四线制四桥臂有源滤波器为研究对象,选取ip-iq法检测谐波电流,在指令电流跟踪环节采用全数字化的无差拍控制方法。Matlab/Simulink仿真结果表明,采用无差拍控制方法的有源滤波系统对谐波电流有较好的补偿效果,并能有效地抑制中线电流。Abstract: In the paper,three-phase four-wire four-leg APF was taken as study object,the i_p-i_q method was chosen to detect harmonic current,and the method of deadbeat control with full-digitalization was adopted in tracking link of order current.The Matlab/Simulink simulation results showed that the active filter system with deadbeat control method can compensate harmonic current well and inhibit neutral current effectively.
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Key words:
- active filter /
- APF /
- three-phase four-wire system /
- four-leg /
- deadbeat control /
- simulatio
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