基于MMS/SNMP协议的智能变电站远程运维系统设计
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摘要
智能变电站的远程运维将有助于提高电网运维时效性和降低运维的成本。文中设计了一种采用安全连接网络的智能变电站远程运维系统,该系统开发了兼容现有数字身份证书认证服务器,并研制了主站运维接入装置、主站运维工作站配套接入软件和变电站端远程运维集控装置。该系统采用制造报文规范(MMS)协议和简单网络管理协议(SNMP)实现远程运维应用级的开发,并按需构建安全通讯链路实现第三方应用的通讯。具体地,通过统一的IEC 61850-MMS协议运维客户端对装置进行访问,并采集装置全部三遥信息以及获得装置的文件服务;采用MMS单端口映射多数据模型对MMS协议中进行多个数据模型的映射处理;SNMP协议基于用户数据报协议(UDP)方式的通讯协议来管理交换机。该系统使得维护人员可对具体的智能电子设备(IED)进行配置、参数修改以及站内历史事件记录信息查询。
The remote operation and maintenance of intelligent substation will help to improve the timeliness of power grid operation and reduce the cost of operation and maintenance.In this paper,a smart substation remote operation and maintenance system using a secure connection network is designed.The system is developed to be compatible with the existing digital identity certificate authentication server,and the main station operation and maintenance access device and the main station operation and maintenance workstation supporting access software are developed.And the remote operation and maintenance control device of the substation.The system uses MMS protocol and SNMP protocol to realize the development of remote operation and maintenance application level,and a secure communication link as needed is built to realize communication of third-party applications.Specifically,the device is accessed by the unified IEC 61850-MMS protocol operation and maintenance client,and all three remote information of the device is acquired and the file service of the device is obtained.And the MMS single port mapping multi-data model is used to perform multiple data in the MMS protocol.The SNMP protocol manages the switch based on the UDP-based communication protocol.The system enables maintenance personnel to perform configuration,parameter modification,and query of historical event record information in a specific intelligent electronic device(IED).
The remote operation and maintenance of intelligent substation will help to improve the timeliness of power grid operation and reduce the cost of operation and maintenance.In this paper,a smart substation remote operation and maintenance system using a secure connection network is designed.The system is developed to be compatible with the existing digital identity certificate authentication server,and the main station operation and maintenance access device and the main station operation and maintenance workstation supporting access software are developed.And the remote operation and maintenance control device of the substation.The system uses MMS protocol and SNMP protocol to realize the development of remote operation and maintenance application level,and a secure communication link as needed is built to realize communication of third-party applications.Specifically,the device is accessed by the unified IEC 61850-MMS protocol operation and maintenance client,and all three remote information of the device is acquired and the file service of the device is obtained.And the MMS single port mapping multi-data model is used to perform multiple data in the MMS protocol.The SNMP protocol manages the switch based on the UDP-based communication protocol.The system enables maintenance personnel to perform configuration,parameter modification,and query of historical event record information in a specific intelligent electronic device(IED).
引文
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[2] 王德文,张长明,李源,等.基于ACSI/MMS网关的电力远动通信的研究[J].华北电力大学学报(自然科学版),2008,35(4):18-22.
[3] 李澄,陆玉军,王宁,等.智能变电站远程虚拟终端访问系统设计与实现[J].电测与仪表,2016,53(13):123-128.
[4] 吴小芳,王申,石云.水电站远程集控及运维模式探讨[J].信息系统工程,2017,2017(11):126-126.
[5] 裘愉涛,周震宇,杨剑友,等.继电保护远程运维技术研究与应用[J].电力系统保护与控制,2018,46(18):17-24.
[6] 谷国进.基于SM2算法的认证授权系统研究与实现[D].山东:山东大学,2013.
[7] 赵海斌,杨庆坤,李鹏.PKI安全认证体系基于linux嵌入式系统SM2算法改进[J].科技创业月刊,2014,27(8):191-192.
[8] 王德文,朱永利,邸剑,等.面向电力系统实时通信的MMS协议[J].电力自动化设备,2009,29(7):101-104.
[9] 吴小芳,王申,石云.水电站远程集控及运维模式探讨[J].信息系统工程,2017(11):126-126.
[10] 郭微.变电运维集中管控平台的设计与实现[D].北京:华北电力大学(北京),2017.
[11] 盛先刚.基于IP的MMS服务器和客户端设计[J].电子科技,2005,2005(10):44-47.
[12] 刘志恒.智能变电站中电子式互感器运行的关键技术研究[D].大连:大连理工大学,2017.
[13] 孟开元,杨海超,曹庆年.SNMP协议分析软件设计[J].软件导刊,2017,16(3):59-61.
[14] 林靖颖,葛元鹏,伍刚,等.基于SNMP协议的电网视频监控系统的设计与实现[J].电子设计工程,2017,25(6):148-150.
[15] 杨明光,张云飞,高博.基于SNMP协议的网络交换机监测系统设计与实现[J].信息安全与技术,2017,8(2):60-65.
[16] 詹静,杨静.基于远程证明的可信Modbus/TCP协议研究[J].四川大学学报(工程科学版),2017,49(1):197-205.
[17] 夏金瑶,肖炳甲,李丹,等.基于Web的EAST实时视频点播系统[J].计算机系统应用,2017,26(3):97-101.
[18] 耿恒水,冯玉田,郑伟波.UDP数据传输技术在空间科学实验的应用[J].电子测量技术,2017,40(9):197-200.