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文章摘要
多馈入直流输电系统的协调恢复策略研究
Research on Coordinated Recovery Strategy for MIDC System
Received:October 24, 2016  Revised:October 24, 2016
DOI:
中文关键词: 多馈入直流输电系统  协调恢复策略  前馈控制  Fuzzy-VDCOL
英文关键词: MIDC, coordinated  recovery strategy, feed  forward control, fuzzy-VDCOL
基金项目:国网福建省电力有限公司电力科学研究院科技项目支持(SGFJDK00DWJS1500098)
Author NameAffiliationE-mail
JIANG Wei Electric Power Research Institute of Fujian Electric Power Company 451445436@qq.com 
ZHANG Biao School of Electrical Engineering and Information,Sichuan University 451445436@qq.com 
WANG Yuhong School of Electrical Engineering and Information,Sichuan University 451445436@qq.com 
CHEN Jinxiang Electric Power Research Institute of Fujian Electric Power Company 451445436@qq.com 
HUANG Daoshan Electric Power Research Institute of Fujian Electric Power Company 451445436@qq.com 
TANG Hua* School of Electrical Engineering and Information,Sichuan University tanghua@stu.scu.edu.cn 
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中文摘要:
      为了改善多馈入直流输电系统的恢复性能,提出了一种协调恢复策略。该策略通过直流双侧附加前馈控制实现多馈入直流各子系统的整流侧和逆变侧的协调,使两侧的控制量能够快速地跟踪系统的给定值;通过Fuzzy-VDCOL环节对系统故障和恢复期间的直流电流指令进行动态调节,维持系统的功率平衡和电压稳定,实现直流子系统之间的协调。仿真分析表明:该协调恢复策略可使多馈入直流输电系统的恢复性能得到很好地改善。
英文摘要:
      In order to improve the recovery performance of MIDC system, a coordinated recovery strategy is proposed in this paper. The rectifier and inverter of DC system are coordinated by the additional feed forward control that makes the control parameter fast track system to the reference value. Fuzzy-VDCOL adjusts the DC current instruction dynamically during the failure and recovery for system. It can maintain the power balance and the voltage stability of system, realizes the coordination of MIDC. The simulation results show that the recovery performance of MIDC, with the proposed coordinated recovery strategy, can be improved obviously compared with the conventional control strategy.
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