新型大功率并聯(lián)混合注入式有源濾波器的研究與應用_圖文

1、 第1期 張加勝 ,等 : 雙向 AC DC 變換器的單相系統(tǒng)控制與建模 71 (Adv. Tech. of Elec. Eng. & Energy , 2003 , 22 ( 4 : 682 71. 4 John G Kassakian , Martin F Schlecht , George C Verghese. Principles of power electronics M . USA : MIT , 1991. 5 徐德鴻 ( Xu Dehong . 電力電子系統(tǒng)建模及控制 (Modeling and control of power electronics system

2、 M. 北京 : 機械工 6 張加勝 , 張磊 ( Zhang Jiasheng , Zhang Lei . PWM 逆變器 的直流側等效模型研究 ( Research on DC2side equivalent model of PWM inverters J . 中國電機工程學報 ( Proc. CSEE , 2007 , 27 (4 : 1032107. 7 謝 劍 英 ( Xie Jianying . 微 型 計 算 機 控 制 技 術 (Microcomputer control tech. M . 北京 : 國防工業(yè)出版 業(yè)出版社 (Beijing : China Machine

3、Press , 2006. 社 (Beijing : National Defence Press , 1996. Single phase system control and modeling of bidirectional AC DC converters ZHANGJia2sheng , LI Hao2guang ( China University of Petroleum , Dongying 257061 , China Abstract : Both“method of average value separated” and“method of half cycle ave

4、raging” which are applicable to system control modeling of single phase bidirectional AC DC converters are proposed in accordance with their state space averaging model and characteristic of output waveforms. Both transfer function model and discrete control model as concerns the AC2side current amp

5、litude and the DC2side output voltage are derived from theoretical analysis and linearization processing. Also some steady state quantitative relations are derived out . All of these provide basis for system design. The validity of the control models and theoretical analyses is confirmed by sample e

6、quipment experiment results. Key words : single phase bidirectional AC DC converters ; modeling method ; transfer function ; discrete control model ( 上接第 20 頁 , cont. from p. 20 Research and engineering application of a novel high2capacity shunt hybrid injection type active po wer filter ZHOU Ke , L

7、UO An , CHU Hong2bo 1 2 1 ( 1. Guangxi Electric Power Test & Reasearch Institute Limited Company , Nanning 530023 , China ; 2. Hunan University CSIE , Changsha 410082 , China Abstract : A novel shunt hybrid injection type active power filter ( HSHIAPF was designed to meet the integrated requirem

8、ents of high2capacity harmonic restraint and reactive power compensation in substations and industrial enterprises. The topology structure of HSHIAPF was very suitable for dynamic harmonic restraint in high voltage and large capacity situations , and the passive part of HSHIAPF could also provide mu

9、ch reactive power. Moreover , the initial investment was also small . The principle of HSHIAPF was introduced in detail , and then , a sliding2window and iterative harmonic current detection algorithm and a slide2model variable structure control strategy based on the recursive integral PI algorithm

10、were adopted to improve the response2speed and control2precision of HSHIAPF. The application results in the 220kV substation have shown the good performance and attractive prospect of HSHIAPF. The given methods and engineering experience are useful for applications and research of other active power filters. Key words : active power filter ; reactive power compensation ; shunt hybrid