一种SAPF的谐波补偿和谐振阻尼复合控制策略_戴珂.pdfVIP

2013 9 Vol.28 No. 9 28 9 TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY Sep. 2013 SAPF 1 1,2 1 1 1. 430074 2. 410131 Shunt Active Power FilterSAPF SAPF SAPF TM761 A Hybrid Control Strategy of Harmonic Compensation and Resonance Damping Based on SAPF Dai Ke 1 Duan Kewei 1,2 Liu Cong 1 Wang Xin 1 1. State Key Laboratory of Advanced Electromagnetic Engineering and Technology Huazhong University of Science and Technology Wuhan 430074 China 2. Training Center of State Grid Hunan Electric Power Corpany Changsha 410131 China Abstract In small and independent power system or distribution network, capacitors are widely used to increase power factor, which together with system impedance generally cause resonant problems. In this paper, shunt active power filter (SAPF) is used to compensate harmonic and damp resonance. Firstly, the damping characteristics of SAPF with traditional load current detection methods (detecting current including or not including the capacitor current) are analyzed respectively. The results show detecting current not include the capacitor is better. Then the capability of SAPF to compensate harmonic and damp resonance under the better detecting is discussed. In traditional control strategy, SAPF have a c