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电网安全稳定控制系统远程试验方法及工程应用
作者:
作者单位:

1.直流输电技术国家重点实验室(南方电网科学研究院有限责任公司),广东省广州市 510663;2.中国南方电网公司电网仿真重点实验室,广东省广州市 510663;3.中国南方电网电力调度控制中心,广东省广州市 510663

作者简介:

郭琦(1979—),男,通信作者,博士,教授级高级工程师,主要研究方向:电力系统智能运行和稳定控制、直流控制保护仿真。E-mail:guoqi@csg.cn
朱益华(1988—),男,硕士,工程师,主要研究方向:电力系统稳定控制和直流控制保护仿真。
常东旭(1982—),男,硕士,高级工程师,主要研究方向:电力系统稳定控制。

通讯作者:

基金项目:

中国南方电网有限责任公司科技项目(ZBKJXM20190039)。


Remote Test Method for Security and Stability Control System of Power Grid and Its Engineering Application
Author:
Affiliation:

1.State Key Laboratory of HVDC (Electric Power Research Institute of China;Southern Power Grid Co., Ltd.), Guangzhou 510663, China;2.CSG Key Laboratory for Power System Simulation, Guangzhou 510663, China;3.Power Dispatch and Control Center of China Southern Power Grid, Guangzhou 510663, China

Fund Project:

This work is supported by China Southern Power Grid Company Limited (No. ZBKJXM20190039).

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    摘要:

    安全稳定控制系统是保证电网安全稳定运行的重要手段,针对现有开环测试方法无法对现场装设的安稳系统进行动态闭环测试的不足,提出了基于实时仿真的远程闭环试验方法,研究了远程试验体系中信息交互、远程通信和信号转换等关键技术的解决方案,设计了远程试验系统的平台架构及标准化接口,研发了安稳系统的远程试验平台,并深入分析了该平台的3种工程应用模式。最后,以云南交流送出断面安稳系统为例,开展了本方法的现场试点应用,完成了对2个主站点安稳系统的远程联调测试。通过在实际工程的应用进一步证明了本文方法的有效性。

    Abstract:

    Security and stability control (SSC) system is very important to ensure the safe operation of power grid. In view of the insufficiency that the current open-loop test method cannot fully test the on-site SSC system, a remote closed-loop test method is proposed based on real-time simulation. The solutions of key techniques such as information interaction, remote communication and signal conversion in remote test system are studied. Then the platform architecture and standard interface of the remote test system are designed. A remote test platform for SSC system is developed, and the application modes of the platform are deeply analyzed. Finally, taking SSC system of AC output interface in Yunnan as a pilot application, on-site joint remote tests of two main substations are carried out. The results in the practical project further prove the effectiveness of the proposed method.

    表 2 站间通信链路通信延时Table 2 Communication latency of links between stations
    图1 远程试验模式下远程交互的信息流Fig.1 Information flow of remote interactionin remote test mode
    图2 远程闭环试验时间序列示意图Fig.2 Schematic diagram of time sequence in remote close-loop test
    图3 安稳系统远程试验平台架构Fig.3 Remote test platform architecture of SSC system
    图4 试点应用远程试验系统拓扑示意图Fig.4 Topology diagram for remote test system
    图5 现场联调远程试验时间序列示意图Fig.5 Schematic diagram for time sequence of on-site joint remote test
    图6 现场联调试验与常规试验对比Fig.6 Comparison of on-site joint remote test and conventional test
    表 1 信号转换装置和安稳装置通信接口Table 1 Communication interface between SCE and SSC equipment
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引用本文

郭琦,朱益华,常东旭,等.电网安全稳定控制系统远程试验方法及工程应用[J].电力系统自动化,2020,44(1):152-159. DOI:10.7500/AEPS20190117004.
GUO Qi,ZHU Yihua,CHANG Dongxu,et al.Remote Test Method for Security and Stability Control System of Power Grid and Its Engineering Application[J].Automation of Electric Power Systems,2020,44(1):152-159. DOI:10.7500/AEPS20190117004.

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历史
  • 收稿日期:2019-01-17
  • 最后修改日期:2019-06-17
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  • 在线发布日期: 2020-01-04
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