电力系统自动化Issue(2)：91-96,6.DOI:10.7500/AEPS201301245
基于EPON通信的智能配电网馈线差动保护
Feeder Differential Protection Based on EPON Communication for Smart Distribution Networks
徐光福 1张春合 1严伟 1朱中华 1余群兵 1徐舒1
作者信息
- 1. 南京南瑞继保电气有限公司，江苏省南京市 211102
- 折叠
摘要
Abstract
The development of smart distribution grid is towards the meshed and multi-source network topology,and the traditional feeder protection and automation(FA)are finding it increasingly difficult to meet the requirements for self-healing. Current differential protection is widely applied to the protection of transmission feeders owing to its inherent strengths of high sensitivity,selectivity and speed,which relies on the provision of a relatively high-bandwidth communication channel,and the existing synchronous digital hierarchy/plesiochronous digital hierarchy(SDH/PDH) networks have proven well suited to this task,but the communication equipment has a low bandwidth and is costly for the distribution grid.This paper presents a current differential protection device for the smart distribution grid,and the sampling value (SV) can be exchanged between these devices over the Ethernet passive optical network(EPON).The device adopts the SV synchronization algorithm based on IEEE 1588 to realize current differential protection of multi-terminal distribution lines.Now the device has successfully been put into operation in some 10 kV distribution lines.关键词
智能配电网/差动保护/以太无源光网络/延时抖动/IEEE 1588Key words
smart distribution networks/differential protection/Ethernet passive optical network (EPON)/delay variation/IEEE 1588引用本文复制引用
徐光福,张春合,严伟,朱中华,余群兵,徐舒..基于EPON通信的智能配电网馈线差动保护[J].电力系统自动化,2014,(2):91-96,6.
