南方电网技术2017，Vol.11Issue(7)：68-77,10.DOI:10.13648/j.cnki.issn1674-0629.2017.07.011
面向风电并网运行稳定性的SMES-FCL控制策略研究
Research on SMES-FCL Control Strategy for Operating Stability of Wind FarmIntegrated System
谭逸雪 1苏小林 1米警伟 1李丹丹 2曲彤1
作者信息
- 1. 山西大学电力工程系, 太原030013
- 2. 国网山西省电力公司临汾供电公司, 山西临汾041000
- 折叠
摘要
Abstract
Aiming at the problem of weak low voltage ride-through performance and unstable output power of doubly-fed induction generator ( DFIG) , the superconducting magnetic energy storage-fault current limiter system( SMES-FCL) suitable for grid-connected DFIG is constructed and analyzed, which achieves dual functions of energy storage and fault current limiting.Considering the nonlin-ear characteristics of the grid-connected DFIG with SMES-FCL, fuzzy-PI control strategy is used to establish a voltage and current double closed-loop control system of the SMES-FCL inverter and realize coordinated control with chopper, which overcomes the short-comings of traditional PI control including difficult parameter tuning and poor robustness.Simulation model of DFIG with SMES-FCL is established by MATLAB/Simulink, simulation analysis and research are carried out under multi-conditions, such as normal opera-tion and short circuit fault.Results show that the proposed method can not only improve the output power stability of DFIG, but also enhance the low voltage ride-through capability.关键词
双馈风电机组/低电压穿越/超导储能系统/超导限流器/模糊PI控制Key words
doubly-fed induction generator ( DFIG)/low voltage ride-through/superconducting magnetic energy storage ( SMES)/superconducting fault current limiter ( SFCL)/fuzzy-PI control分类
信息技术与安全科学引用本文复制引用
谭逸雪,苏小林,米警伟,李丹丹,曲彤..面向风电并网运行稳定性的SMES-FCL控制策略研究[J].南方电网技术,2017,11(7):68-77,10.
