Neural Network and Bandless Hysteresis Approach to Control Switched Capacitor Active Power Filter for Reduction of Harmonics

被引:93
|
作者
Radzi, Mohd Amran Mohd [1 ]
Rahim, Nasrudin Abd. [1 ]
机构
[1] Univ Malaya, Dept Elect Engn, Ctr Res Power Elect Drives Automat & Control, Kuala Lumpur 50603, Malaysia
关键词
Bandless hysteresis; harmonic; neural network; power factor; switched capacitor active power filter (SCAPF); GENERATOR; SHUNT;
D O I
10.1109/TIE.2009.2013750
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper proposes a combination of neural network and a handless hysteresis controller, for a switched capacitor active power filter (SCAPF), to improve line power factor and to reduce line current harmonics. The proposed active power filter controller forces the supply current to be sinusoidal, in phase with line voltage, and has low current harmonics. Two main controls are proposed for it: neural network detection of harmonics and handless digital hysteresis switching algorithm. A mathematical algorithm and a suitable learning rate determine the filter's optimal operation. A digital signal controller (TMS320F2812) verifies the proposed SCAPF, implementing the neural network and handless hysteresis algorithms. A laboratory SCAPF system is built to test its feasibility. Simulation and experimental results are provided to verify performance of the proposed SCAPF system.
引用
收藏
页码:1477 / 1484
页数:8
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