引用本文:罗剑波,董希建,崔晓丹,等.关于大型安全稳定控制系统可靠性研究的探讨[J].电力系统保护与控制,2018,46(8):65-72.
LUO Jianbo,DONG Xijian,CUI Xiaodan,et al.Discussion on reliability of large scale security and stability control system[J].Power System Protection and Control,2018,46(8):65-72
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关于大型安全稳定控制系统可靠性研究的探讨
罗剑波1,2,董希建1,2,崔晓丹1,2,李德胜1,2,李惠军1,2,李雪明1,2,王 娟1,2
(1.南瑞集团(国网电力科学研究院)有限公司, 江苏 南京 211106; 2.智能电网保护和运行控制国家重点实验室，江苏 南京 211006)
摘要:
特高压交直流电网建设过渡期，交直流交互影响加剧，送受端耦合紧密，电网安全稳定运行对于安全稳定控制系统(简称“稳控系统”)的依赖性大大加强。稳控系统近年来呈现出大型化、广域化和复杂化趋势，对其可靠性的研究和设计显得尤为迫切。在分析稳控系统的构成原理及工作方式基础上，提炼出其可靠性研究的特点和难点，指出稳控系统整体可靠性的主要影响因素。针对当前稳控系统可靠性研究中缺乏系统性及关键环节把握不准等弊端，从设备跳闸判据、控制模式、通信通道、运行模式和总体架构等方面，提出了可靠性研究问题的重点及思路，从而形成了稳控系统可靠性研究的总体框架，对于稳控系统以及其他电力二次控制系统的可靠性优化设计具有重要的指导意义。
关键词:  安全稳定控制系统(稳控系统)  可靠性  影响因素  隐性故障
DOI：10.7667/PSPC170595
分类号:
基金项目:国家电网公司科技项目资助“特高压交直流电网系统保护顶层设计研究”
Discussion on reliability of large scale security and stability control system
LUO Jianbo1,2,DONG Xijian1,2,CUI Xiaodan1,2,LI Desheng1,2,LI Huijun1,2,LI Xueming1,2,WANG Juan1,2
(1. NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing 211106, China;2. State Key Laboratory of Smart Grid Protection and Operation, Nanjing 211006, China)
Abstract:
In the transition period of UHV power grid construction, AC-DC interaction intensifies, the sending end and the receiving end tightly coupled, security and stability operation of power grids rely more on the Security and Stability Control System (SSCS), which show a large-scale, wide area and complicated trend in recent years, therefore the research and design on reliability of SSCS is particularly urgent. Based on the analysis of the composing principle and working mode of SSCS, the characteristics and difficulties of the reliability research are extracted, and the main factors that influence the overall reliability of SSCS are point out. In view of current research on SSCS reliability not enough systemic, and failure to grasp the key link, the key ideas of the reliability research are put forward from equipment tripping criterion, control mode, communication channel, operation mode, architecture and other aspects, thus forming the overall framework of the reliability research of SSCS, which has an important guiding significance for reliability optimization design of SSCS as well as the power grid secondary system. This work is supported by Science and Technology Project of State Grid Corporation of China “Research on Top-level Design of UHV AC/DC System Protection”.
Key words:  security and stability control system (SSCS)  reliability  influencing factors  hidden failure
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