A Dead-Beat Control Method for APF Based on Mixed Prediction
Affected by the signal sampling,processing and executing delays,the conventional dead-beat control is actually a one-step-delay control.To solve this problem,an improved dead-beat control method is discussed in this paper.The method calculates the output average voltage one sampling period earlier using the prediction reference current value two sample instants in advance and the inverter output prediction current value one sample instant in advance,and then the “real dead-beat control will be achieved.A mixed prediction strategy is also proposed considering both the steady and dynamic states of the load,which will make the control method process a better precision and dynamic characteristic.At last,simulation and experiment prove that the improved dead-beat control in this scheme can compensate the harmonic current very effective both in the steady and dynamic conditions.
Dead-beat control Mixed prediction Adaptive forward linear prediction Active power filter
Han Wei Wang Dazhi Li Yunlu Liu Zhen
Institute of Electric Power System and Motor Drives,School of Information Science & Engineering,Nort Institute of Electric Power System and Motor Drives,School of Information Science & Engineering,Nort
国际会议
长沙
英文
3487-3491
2014-05-31（万方平台首次上网日期，不代表论文的发表时间）