精准负荷控制系统的快速通信接口方案设计
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摘要
分析了多直流馈入电网精准切负荷系统的实时性需求、控制终端业务断面流量和现有通信接入技术,提出了骨干层基于同步数字序列(SDH)传输网、终端层基于专用光纤的多级点对点通信架构,描述了精准切负荷控制系统的通信组网方式,着重介绍了稳定控制装置STM-1通信接口、多用户共享2M通道接入等关键技术实现方案。在此基础上讨论了稳定控制装置与不同类型的负荷控制终端的通信接口设计方法,并完成了样机研制和系统验证。
The real-time requirements of precision load shedding system for multi-infeed high-voltage direct current(HVDC)system,the control terminal traffic flow and existing communication access technology are analyzed.Then the archi tecture of the backbone layer based on the synchronous digital hierarchy(SDH)transmission network,the terminal layer based on the specific fiber multi-point to point communication is proposed.The communication network architecture of precision load control system is described in detail.The implementation schemes of key technologies are highlighted,such as security and stability control equipment of STM-1 communication interface,multi-user shared 2 M channel and so on.On this basis,the design methods of stability control equipment and different types of control terminal communication interface are discussed and the prototype development and system verification are completed.
The real-time requirements of precision load shedding system for multi-infeed high-voltage direct current(HVDC)system,the control terminal traffic flow and existing communication access technology are analyzed.Then the archi tecture of the backbone layer based on the synchronous digital hierarchy(SDH)transmission network,the terminal layer based on the specific fiber multi-point to point communication is proposed.The communication network architecture of precision load control system is described in detail.The implementation schemes of key technologies are highlighted,such as security and stability control equipment of STM-1 communication interface,multi-user shared 2 M channel and so on.On this basis,the design methods of stability control equipment and different types of control terminal communication interface are discussed and the prototype development and system verification are completed.
引文
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[14]曹津平,刘建明,李祥珍.面向智能配用电网络的电力无线专网技术方案[J].电力系统自动化,2013,37(11):76-80.CAO Jinping,LIU Jianming,LI Xiangzhen.A power wireless broadband technology scheme for smart power distribution and utilization networks[J].Automation of Electric Power Systems,2013,37(11):76-80.
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[16]烽火通信科技股份有限公司.SDH传输系统GF2488-01D型设备工程师手册[EB/OL].[2017-05-01].https://wenku.baidu.com/view/eecdf33b0912a216147929ab.html.
[2]许涛,励刚,于钊,等.多直流馈入受端电网频率紧急协调控制系统设计与应用[J].电力系统自动化,2017,41(8):98-104.DOI:10.7500/AEPS20160826007.XU Tao,LI Gang,YU Zhao,et al.Design and application of emergency coordination control system for multi-infeed HVDC receiving-end system coping with frequency stability problem[J].Automation of Electric Power Systems,2017,41(8):98-104.DOI:10.7500/AEPS20160826007.
[3]李德胜,罗剑波.特高压直流配套安全稳定控制系统的典型设计[J].电力系统自动化,2016,40(14):151-157.DOI:10.7500/AEPS20160120010.LI Desheng,LUO Jianbo.Typical design of security and stability control system for UHVDC transmission[J].Automation of Electric Power Systems,2016,40(14):151-157.DOI:10.7500/AEPS20160120010.
[4]中华人民共和国国家发展和改革委员会.电力系统安全稳定控制系统通用技术条件:DL/T 1092—2008[S].2008.
[5]中华人民共和国住房和城乡建设部,中华人民共和国国家质量监督检验检疫总局.电力系统安全自动装置设计规范:GB/T50703—2011[S].2011.
[6]中国电力科学研究院.配电网规划设计技术导则:Q/GDW 1738-2012[S].2013.
[7]何清素,曾令康,欧清海,等.配电通信网业务断面流量分析方法[J].电力系统自动化,2014,38(23):91-94.DOI:10.7500/AEPS20131223008.HE Qingsu,ZENG Lingkang,OU Qinghai,et al.An analysis method for business sectional flow of distribution communication network[J].Automation of Electric Power Systems,2014,38(23):91-94.DOI:10.7500/AEPS20131223008.
[8]雷煜卿,李建崎,候宝素.面向智能电网的配用电通信网络研究[J].电网技术,2011,35(12):14-19.LEI Yuqing,LI Jianqi,HOU Baosu.Power distribution and utilization communication network for smart grid[J].Power System Technology,2011,35(12):14-19.
[9]李祥珍,何清素,孙寄生.智能配电网通信组网技术研究及应用[J].中国电力,2011,44(12):78-80.LI Xiangzhen,HE Qingsu,SUN Jisheng.Research and application on communication technology in smart distribution and utilization grid[J].Electric Power,2011,44(12):78-80.
[10]孙方楠,胡秀园,吴润泽.面向智能配用电的多介质通信方式及应用方案研究[J].现代电力,2012,29(1):47-51.SUN Fangnan,HU Xiuyuan,WU Runze.Research on multimedium communication mechanism and implementing strategy for power distribution and utilization network[J].Modern Electric Power,2012,29(1):47-51.
[11]鲍兴川.配电通信网接入层EPON保护组网可靠性与性价比分析[J].电力系统自动化,2013,37(8):96-101.BAO Xingchuan.Reliability and cost performance ratio analysis on EPON protection networking of power distribution communication network access layer[J].Automation of Electric Power Systems,2013,37(8):96-101.
[12]赵大平,孙业成.浅析SDH光纤通信传输继电保护信号的误码特性和时间延迟[J].电网技术,2002,26(10):66-70.ZHAO Daping,SUN Yecheng.A preliminarily analysis of characteristics of code error and time delay of protective relaying signals transmitted by SDH optical fiber communication system[J].Power System Technology,2002,26(10):66-70.
[13]李峥峰,杨曙年,喻道远,等.继电保护中光纤通信技术应用[J].电力自动化设备,2007,27(2):75-78.LI Zhengfeng,YANG Shunian,YU Daoyuan,et al.Application of optical fiber communication in relay protection[J].Electric Power Automation Equipment,2007,27(2):75-78.
[14]曹津平,刘建明,李祥珍.面向智能配用电网络的电力无线专网技术方案[J].电力系统自动化,2013,37(11):76-80.CAO Jinping,LIU Jianming,LI Xiangzhen.A power wireless broadband technology scheme for smart power distribution and utilization networks[J].Automation of Electric Power Systems,2013,37(11):76-80.
[15]远动设备及系统第5-104部分:传输规约采用标准传输协议集的IEC 60870-5-101网络访问:DL/T 634.5104—2009[S].2009.
[16]烽火通信科技股份有限公司.SDH传输系统GF2488-01D型设备工程师手册[EB/OL].[2017-05-01].https://wenku.baidu.com/view/eecdf33b0912a216147929ab.html.