摘要
分布式电源的大量接入以及对供电质量、运行效率要求的提高,使得配电网的保护控制面临新的挑战。传统的基于集中与就地控制方式的保护控制技术,分别存在响应速度慢与利用信息有限、功能不完善的问题。文中提出建立基于对等通信网络的广域测控系统,同时支持基于主站的集中控制和在智能终端上实现的就地与分布式智能控制方式,为配电网监测与保护控制应用提供开放式的统一支撑平台,在此基础上实现了分布式电源并网控制、广域保护、快速故障隔离和恢复供电、小电流接地故障自愈等新型保护控制技术。随着研究的深入与技术的不断完善,将形成完整的广域测控系统及其保护控制应用技术体系,为智能配电网建设提供可靠的二次技术支撑。
With the massive integration of distributed generators(DGs) and the ever-increasing demand on power supply quality and system efficiency,the protection and control of the distribution network is facing new challenges.The traditional centralized and local measurement based protection and control methods have either slow responses or poor performance due to limited information inputs.A wide area measuring and control system(WAMCS) able to support all kinds of centralized,local and distributed intelligence(DI) control methods and provide a unified and open platform for monitoring,protection and control applications of the smart distribution grid is proposed.DI based applications in WAMCS,such as DGs interconnection control,wide area protection,fast fault isolation and the service restoration and self-healing solutions for earth faults in a non-effectively earthed network,are presented.With further progress and improvement of the technologies,the WAMCS and its applications will provide a solid foundation for the development of smart distribution grids.
出处
《电力系统自动化》
EI
CSCD
北大核心
2012年第18期2-9,共8页
Automation of Electric Power Systems
基金
国家高技术研究发展计划(863计划)重点资助项目(2012AA050213)
国家自然科学基金面上项目(51177096)~~
关键词
智能配电网
广域
保护与控制
分布式智能
分布式电源并网
自愈
smart distribution grid
wide area
protection and control
distributed intelligence
distributed generator interconnection
self-healing
