双馈风电场新型无功补偿及电压控制方案.pdf

32 19 Vol.32 No.19 Jul.5, 2012 16 2012 7 5 Proceedings of the CSEE ©2012 Chin.Soc.for Elec.Eng. 0258-8013 (2012) 19-0016-08 TM 76 A 470·40 1 1 1 2 2 2 (1() 071003 2 050021) A New Scheme of Reactive Power Compensation and Voltage Control for DFIG Based Wind Farm 1 1 1 2 2 2 LI Ran , TANG Fan , LIU Yingpei , WANG Tieqiang , JIA Jinghua , CHENG Lun (1. State Key Laboratory of Alternate Electrical Power System With Renewable Energy Sources (North China Electric Power University), Baoding 071003, Hebei Province, China; 2. Hebei Electric Power Company, Shijiazhuang 050021, Hebei Province, China) ABSTRACT: In order to coordinate positive and negative SVC reactive power capacity of doubly fed induction generator (DFIG) and improve voltage stability of the grid, a parallel reactive power compensation scheme of DFIG based wind farm was proposed. By this scheme, capacitor whose capacitance equals to countdown of stator inductance of DFIG is installed at the terminal of every wind turbine, and static var compensator (SVC) is installed in low voltage side of step-up 0 transformer of the wind farm. Based on the reactive power compensation, a coordinated voltage control scheme was introduce