A novel LS-SVM generalized inverse control of three-phase active power filter based on improved adaptive harmonic detection
2010
Aiming at the problem that the traditional control has a limited control bandwidth and delays in digital implementation, a novel generalized inverse control of three-phase active power filter is studied in this paper. And the generalized inverse system can be approximated by LS-SVM due to the fast operational speed of LS-SVM. On the other hand, since the traditional algorithm has slow convergence rate and that the adaptive method with LPF has the drawback of slow dynamic response; an improved adaptive method for harmonic detecting based on integrated mean value is researched in this paper. In order to have a good linearization control effect, the generalized pseudo-linear system can be obtained by internal model and the generalized inverse system. At last, the simulation results show that a good steady-state performance and a rapid transient response can be obtained under the improved method.
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