基于控制功效受损模式的大型稳控系统可靠性评估

doi:10.11930/j.issn.1004-9649.201908107

中国电力 ›› 2020, Vol. 53 ›› Issue (5): 32-38.DOI: 10.11930/j.issn.1004-9649.201908107

基于控制功效受损模式的大型稳控系统可靠性评估

李碧君^1,2, 董希建^1,2, 颜云松^1,2, 夏海峰^1,2, 刘天翼^1,2

1. 南瑞集团有限公司(国网电力科学研究院有限公司)，江苏南京 211006;
2. 智能电网保护和运行控制国家重点实验室，江苏南京 211006

收稿日期:2019-08-16 修回日期:2019-11-18 发布日期:2020-05-05
作者简介:李碧君(1966-),男,通信作者,博士,高级工程师(研究员级),从事电力系统安全稳定分析与控制研究,E-mail:libijun@sgepri.sgcc.com.cn;董希建(1982-),男,硕士,高级工程师,从事电力系统安全稳定控制研究,E-mail:dongxijian@sgepri.sgcc.com.cn;颜云松(1981-),男,硕士,高级工程师,从事电力系统安全稳定控制研究,E-mail:yanyunsong@sgepri.sgcc.com.cn
基金资助:
国家电网公司科技项目(分区电网安全稳定控制系统功能及可靠性闭环验证关键技术研究)

Reliability Assessment of Large Scale Security and Stability Control System Based on Control Efficacy Reduction Mode

LI Bijun^1,2, DONG Xijian^1,2, YAN Yunsong^1,2, XIA Haifeng^1,2, LIU Tianyi^1,2

1. NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing 211006, China;
2. State Key Laboratory of Smart Grid Protection and Control, Nanjing 211006, China

Received:2019-08-16 Revised:2019-11-18 Published:2020-05-05
Supported by:
This work is supported by Science and Technology Project of State Grid Corporation of China (Research on Key Technologies of Close-Loop Verification for Security and Stability Control System Functions and Reliability of District Grid)

摘要/Abstract

摘要： 大型稳控系统具有广域分布、控制层级多、装置构成组件多和功能实现复杂的特点，常用的误动率、拒动率和失效率等可靠性评估指标过于笼统，难以深入细致地反映稳控系统可靠性水平。基于稳控系统的构成，对局部异常的形态进行分类；从工程应用的视角，对稳控系统控制功效受损模式进行分类，并进一步定义基于控制功效受损模式的可靠性指标；通过建立预想局部异常集，分析局部异常导致的控制功效受损模式及其出现的概率，进行稳控系统可靠性评估。应用分析表明，所提出的可靠性指标含义清晰，计算方法简单，评估内容与范围灵活，可用于研究稳控系统的架构、厂站稳控装置配置、稳控装置的构成、运行模式和核心功能的运行逻辑与机制等因素对可靠性的影响，为提升稳控系统可靠性水平提供依据。

关键词: 安全稳定控制系统（稳控系统）, 可靠性, 功效受损模式, 异常形态

Abstract: Large-scale security and stability control system (SSCS) is characterized with wide-area distribution, multi-layer control, numerous components, and complicated function realization. The conventional reliability assessment indicators, such as malfunction rate, rejection rate, and failure rate, are too general to accurately measure the reliability level of SSCS. Based on the constitution of SSCS, the local abnormal forms are classified. In view of engineering application, the control efficacy reduction modes of SSCS are also classified, and the reliability indicators are further defined based on the control efficacy reduction modes. To assess the reliability of SSCS, the expected abnormal sets are firstly established, and then their induced control efficacy reduction modes and corresponding probability of occurrence are analyzed. The practical application indicates that the proposed reliability indicators, clear in definition, simple in calculation method, and flexible in assessment content and scope, can be used to study the effects of such factors as the architecture, the configuration and constitution of devices, the operation modes, and the operation logic and mechanism of core functions, on the SSCS reliability. The results of this research can provide an important basis for improving SSCS reliability.

Key words: security and stability control system (SSCS), reliability, efficacy reduction mode, abnormal form

李碧君, 董希建, 颜云松, 夏海峰, 刘天翼. 基于控制功效受损模式的大型稳控系统可靠性评估[J]. 中国电力, 2020, 53(5): 32-38.

LI Bijun, DONG Xijian, YAN Yunsong, XIA Haifeng, LIU Tianyi. Reliability Assessment of Large Scale Security and Stability Control System Based on Control Efficacy Reduction Mode[J]. Electric Power, 2020, 53(5): 32-38.

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基于控制功效受损模式的大型稳控系统可靠性评估

Reliability Assessment of Large Scale Security and Stability Control System Based on Control Efficacy Reduction Mode

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基于控制功效受损模式的大型稳控系统可靠性评估

Reliability Assessment of Large Scale Security and Stability Control System Based on Control Efficacy Reduction Mode

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