光伏并网发电与有源电力滤波器的统一控制

1、 66 2007 , 31 (8 , 男 , 教授 , 博士生导师 , 研究方向为新 丁 明 ( 1956 能源发电 、 电力系统及其自动化 。 hf . ah. cn ,男 ,硕士研究生 ,研究方向为电力电子 张铁良 ( 1980 与电力传动 。 Combined Control of Active Power Filter and PV Grid Connected Generation Z H A N G Guoron g , Z H A N G Tiel i an g , D I N G M i n g , S U J i anhui , W A N G H ai ni n g ( H

2、efei University of Technology , Hefei 230009 , China Abstract : A novel co mbined cont rol st rategy for bot h active power filter ( A PF and p hotovoltaic ( PV grid connected generation is p ropo sed. The shortage t hat PV grid connected generation at p resent operates during t he day and has to st

3、op at night is settled , and t he f unctions are reinforced by t he new co nfiguration and t he p ropo sed cont rol st rategy. The p ropo sed cont rol st rategy not o nly can achieve f unctio ns of A PF and PV grid co nnected generatio n at t he same time , but also compensate t he voltage interrupt

4、io ns. The system co nfiguratio n and cont rol st rategy are analyzed and verified by simulatio n wit h MA TL AB/ Simulink. The system comes t rue in p rototype based on TMS320L F2407DSP. The result s of experiment and simulation p rove t he feasibility of t he system configuration and cont rol st r

5、ategy p resented above. Key words : active power filter ; p hotovoltaic grid co nnected ; harmonics detection ; instantaneous reactive power t heory ( 上接第 55 页 co ntinued f ro m page 55 8 张桂斌 ,徐政 . 直流输电技术的新发展 . 中国电力 ,2000 ,33 ( 3 : 32235. ZHAN G Guibin , XU Zheng. The new develop ment of HVDC techno

6、logy. Elect ric Power , 2000 , 33 (3 : 32235. 9 李勇 ,罗隆福 ,许加柱 ,等 . 采用新型换流变压器的直流输电稳态 模型 . 电力系统自动化 ,2006 ,30 (21 :28232. L I Yong , L UO Longf u , XU Jiazhu , et al . The steady2state model of t he DC t ransmission wit h new2t ype converter t ransformer . Auto mation of Elect ric Power Systems , 2006 ,

7、 30 (21 : 28232. 10 许加柱 ,罗隆福 ,李季 ,等 . 自耦补偿与谐波屏蔽换流变压器的 接线方案和原理研究 . 电工技术学报 ,2006 ,21 (9 :44250. XU Jiazhu , L UO Longf u , L I Ji , et al . connection scheme of self2coupled Principle and and co mpensating C H EN Huashan. Measurement and calculation for reactance of alternated p hase. Transformer , 19

8、97 , 34 (3 : 22223. 13 徐政 ,蔡晔 ,刘国平 . 大规模交直流电力系统仿真计算的相关问 题 . 电力系统自动化 ,2002 ,26 (15 :428. XU Zheng , CA I Ye , L IU Guoping. So me problems in t he simulation of large2scale AC/ DC power system. Automation of Elect ric Power Systems , 2002 , 26 (15 : 428. suppressing harmonic converter t ransformers.

9、Transactions of China Elect rotechnical Societ y , 2006 , 21 (9 : 44250. 11 赵畹君 . 高压直流输电工程技术 . 北京 : 中国电力出版社 ,2004. ZHAO Wanjun. The HVDC engineering. Beijing : China Elect ric Power Press , 2004. 12 陈华山 . 换相电抗的测量与计算 . 变压器 ,1997 ,34 (3 :22223. ,男 ,博士研究生 ,主要从事基于新型换 李 勇 ( 1982 流变压器的直流输电系统新理论 、 谐波抑制及无功补

10、偿的研 究工作 。E2mail : goodliyong hot mail. com , 男 , 教授 , 博士生导师 , 中国电机工程 罗隆福 (1962 学会高级会员 ,主要从事现代电器设备的设计与优化 、 新型 换流变压器的研制及对应的高压直流输电新理论研究工作 。 ,女 ,博士研究生 ,主要从事现代电器设 尚荣艳 ( 1978 备的设计优化与仿真研究 、 自耦补偿与谐波屏蔽换流变压器 的研制以及直流输电新理论研究工作 。 Characteristics of Reactive Power Compensation of Valve Winding of a Novel DC Trans

11、mission System L I Yon g , L UO L on g f u , S H A N G Ron g y an , X U J i az hu , L I J i , L I U Fus hen g ( Hunan U niversity , Changsha 410082 , China Abstract : A novel DC t ransmissio n system using a new type of converter t ransformer is p ropo sed and it s topology is analyzed. Focus of dis

12、cussio n in t he paper is t he influence of t he level of reactive power co mpensation on t he operatio n of DC t ransmissio n system , when t he co rner delta windings of t he new type of co nverter t ransformer are connected wit h t he filtering and reactive2 load co mpensation equip ment o n t he

13、 valve side. Thro ugh statistical analysis on t he variations of t he commutating resistance of t he new type of co nverter t ransfo rmer at different levels of reactive power co mpensation , t he characteristic curves of commutating angle , DC voltage , and t he converter s reactive power character

14、istic are obtained , so t hat t he operating characteristics of t he novel DC t ransmission system influenced by t he level of reactive power co mpensation are analyzed. The analytical result s show t he superio rity of t he new system wit h t he new type of converter t ransfo rmer. This wo rk is suppo rted by t he Key Science and Technology Project of Hunan Province ( No . 06