摘要
广义继电保护远方操作,是指从变电站内外发起的涉及继电保护装置运行变更及维护的所有操作;如何确保广义继电保护远方操作的信息安全,并纳入严格的闭环业务管控,是目前迫切需要解决的重要工程问题。提出了调控中心统一签发远方操作工作票,变电站继电保护操作信息安全模块(SOMR)唯一执行的闭环监管机制。在调控中心Ⅲ区拟定的安全加密可扩展置标语言(XML)操作票文件,通过Ⅰ区统一的变电站远方操作票下令平台,以IEC 61850文件方式下载到SOMR,然后由SOMR执行对继电保护的操作,实现包括定值设置、定值区更改、投退软压板、复归信号、定值定期校验、授权现场运维智能监护及痕迹记录等广义远方操作全过程在线管控。提出了操作工作票XML模型,选择了相应的数字签名及加密技术。最后,论证了所提出的方案的必要性和特点。
The generalized remote operation of protective relay refers to all the business operation orders involving operational mode changes and operating maintenance arising from an external substation or an internal one. Such remote operation should follow a strict business control with high cyber security guarantee, which is an urgent engineering task demanding prompt solution. A closed-loop business supervising and control mechanism is proposed with the remote operation order sheet（ ROS） uniformly signed and issued by the dispatch control center and uniquely executed by a novel secure operation module for protective relay（ SOMR） in substation. The encrypted and extensive markup language formatted ROS will be prepared in safe zone Ⅲ at the dispatch control center, and transferred to SOMR in IEC 61850 file mode, through a uniform ROS platform in safe zone Ⅰ at the dispatch and control center. SOMR will execute ROS to target protective relays, to fulfill the orders such as protection setting, setting operation zone change, soft strap turn on or off, signal return, setting periodic verification, etc. plus the authorized site operations auto-monitoring and trace recording. The ROS modeling, and its digital signature and encryption selection, are also presented. Finally, the advantages and necessity of the proposed scheme are demonstrated.
作者
金乃正
张亮
章坚民
朱玛
李勇
侯连全
JIN Naizheng ZHANG Liang ZHANG Jianmin ZHU Ma LI Yong HOU Lianquan(State Grid Shaoxing Electric Power Supply Company, Shaoxing 312000, China College of Automation, Hangzhou Dianzi University, Hangzhou 310018, China)
出处
《电力系统自动化》
EI
CSCD
北大核心
2016年第21期117-122,167,共7页
Automation of Electric Power Systems
基金
国家自然科学基金资助项目(51677047)
已申请国家发明专利"一种面向信息安全的广义继电保护远方操作闭环管控方法""一种面向信息安全的广义继电保护远方操作闭环管控操作票设计"
已申请实用新型专利"一种面向信息安全的广义继电保护远方操作闭环管控装置(模块)"~~
关键词
广义继电保护远方操作
信息安全
闭环管控
操作工作票
继电保护操作信息安全模块
generalized remote operation of protective relay
information security
closed-loop management and control
operation order sheet
secure operation module for prot ective relay
