任俊东,戴宇
REN Jun,DAI Dai

• 1:国网浙江东阳市供电有限公司

摘要(Abstract)：

配电自动化"三遥"终端宜采用光纤通信方式,以无源光网络方式组网,通过构建EPON链路,以星形或者链形拓扑结构实现配电站所"三遥"终端与配电自动化主站之间的通信。综合考虑光缆成本、光缆交接箱购置费用、配电自动化建设成本等影响因素,重点研究县域配电自动化接入层EPON组网策略,在充分考虑通信组网可靠性、经济性的基础上,对组网拓扑结构进行创新,制定目标逻辑网络,提出一种双层EPON组网结构。第一层级由变电站OLT与主干光缆交接箱组成光交主干环路,第二层级由配电站所ONU与光缆交接箱组成站所环路。结合某县级市配电自动化有线组网实例进行验证,并采用粒子群算法计算模型最优解,验证结果表明,该模型能有效降低建设成本,提高有线组网通信系统可靠性。
Three-remote terminals in distribution automation should adopt optical fiber communication and passive optical networking. Through the construction of EPON link, star or chain topology will be used in the communication between Three-remote and distribution substations and distribution automation master station.In this paper, influencing factors such as the cost of optical fiber cables, purchase cost of optical cross-over boxes and construction cost of distribution automation are considered, and the EPON network planning strategy of distribution automation access layer is focused on. Based on the reliability and economy of communication network, the topological structure of the network is renovated, and the targeted logical network is set up and a double-layer EPON network structure is proposed. The first layer is main loop consisting of OLT in substations and optical cross-over boxes, and the second level is station loop consisting of ONU in distributed substations and optical cross-over boxes. The model is verified in a county-level distribution automation using wired network, and optimal solution is achieved by particle swarm optimization. The verification results show that the model can reduce construction costs and improve the reliability of communication system.

关键词(KeyWords)： 配电自动化;EPON;通信;有线组网;路径优化;粒子群算法;建模
distribution automation;EPON;communication;wired networking;path optimization;particle swarm optimization;modeling

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 任俊东,戴宇
REN Jun,DAI Dai

DOI: 10.19585/j.zjdl.201809005

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