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直流配电系统控制与保护协同关键技术及展望
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作者单位:

1. 智能电网教育部重点实验室, 天津大学, 天津市 300072; 2. 国网江苏省电力有限公司, 江苏省南京市 210024; 3. 国网江苏省电力有限公司电力科学研究院, 江苏省南京市 211103

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基金项目:

国家重点研发计划资助项目(2018YFB0904700)


Key Technologies and Prospect for Coordinated Control and Protection in DC Distribution System
Author:
Affiliation:

1. Key Laboratory of the Ministry of Education on Smart Power Grids, Tianjin University, Tianjin 300072, China;2. State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210024, China;3. Electric Power Research Institute of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 211103, China

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    摘要:

    直流配电系统中电力电子装置众多。一方面,电力电子装置的脆弱性提高了对保护的要求;另一方面,依靠灵活可控的电力电子装置,通过直流配电系统控制与保护协同实现故障快速恢复成为直流配电系统控制与保护研究的重要思路。文中首先归纳了直流配电系统保护与控制协同的整体思路;其次总结了换流阀子模块结构和控制策略对直流配电系统故障特性的影响,归纳了基于保护与控制协同思想的直流配电系统保护原理,分析了其协同配合过程;最后,对直流配电系统控制与保护协同研究进行了总结和展望。

    Abstract:

    In DC distribution system, large number of power electronic devices increases the difficulty of DC protection for their vulnerability. However, based on the flexible and controllable power electronic devices, realizing quick recovery of fault by coordinated control and protection becomes an important idea in the research of DC distribution system. Firstly, the overall thought of coordinated control and protection in DC distribution system is summarized. Secondly, the influence of the structure and control strategy of sub-modules of converters on the fault characteristics in DC distribution system is analyzed. The protection principle of DC distribution system based on the idea of control and protection coordination is summarized, and the coordination process of control and protection in DC distribution system is analyzed. Finally, the research on the coordination of control and protection of the DC distribution system is summarized and prospected.

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引用本文

王守相,刘琪,薛士敏,等.直流配电系统控制与保护协同关键技术及展望[J].电力系统自动化,2019,43(23):23-30. DOI:10.7500/AEPS20190506005.
WANG Shouxiang, LIU Qi, XUE Shimin,et al.Key Technologies and Prospect for Coordinated Control and Protection in DC Distribution System[J].Automation of Electric Power Systems,2019,43(23):23-30. DOI:10.7500/AEPS20190506005.

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历史
  • 收稿日期:2019-05-06
  • 最后修改日期:2019-11-10
  • 录用日期:2019-11-06
  • 在线发布日期: 2019-11-07
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