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| New Control Strategy and Stability of Hybrid Active Power Filters |
| Wang Shaojie1, 2, Luo An1, Ma Fujun1 |
| 1. Hunan University Changsha 410082 China 2. Shaoyang University Shaoyang 422000 China |
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Abstract Based on the analysis of hybrid active power filters (HAPF) for basic working principle, the analysis and comparison of the two types control strategies for its harmonic and resonant suppression characteristics is given. A new control strategy is proposed with detection of supply harmonic current and supply harmonic voltage to control the output of HAPF. A detailed analysis for its stability is given in Routh. The results show that the system becomes more stable, and the effect of harmonic compensation has become more ideal. Simulation and experimental results verify the validity and reliability of the control strategy described.
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Received: 30 June 2009
Published: 07 March 2014
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2011, Vol. 26 
