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机构地区:[1]华北电力大学电气与电子工程学院,北京102206 [2]全球能源互联网研究院,北京102209
出 处:《电力信息与通信技术》2017年第1期13-19,共7页Electric Power Information and Communication Technology
基 金:国家电网公司科技项目"跨频带认知电力线载波通信(PLC)技术实用化研发及应用"(5455H7150035)
摘 要:电力线载波通信是电力系统特有的一种方式,广泛应用在中低压配电网自动化系统,但由于配电网的复杂性需要组网以延伸通信距离和覆盖范围,从而提高系统稳定性。文章研究了常规的2种中继组网技术,分析了现有组网技术存在的组网成功率低、稳定性差等问题。基于先进的Agent系统原理,研究了基于Agent的电力线载波通信节点模型、组网认证机制和ZigBee树形路由协议,提出一种基于Agent的中压电力线载波通信组网方法,现场测试表明该方法能有效扩大通信距离和覆盖范围,提高系统稳定性。Power line carrier communication is a unique way in power system, and it is widely used in medium and low voltage distribution automation system. However, due to the complexity of distribution network, it is required to extend the communication distance and coverage, and improve the stability of the system by networking technology. In this paper, two conventional methods of relay networking technologies are studied, and problems of existing networking technologies are analyzed, such as low success rate of networking, poor stability and so on. Based on the principle of advanced agent system, power line carrier communication node model based on the agent, network authentication mechanism and tree routing protocol based on ZigBee are studied, a method of medium voltage power line carrier communication networking method based on agent is proposed. The results of field test show that it can effectively expand the communication distance and coverage and improve system stability.
分 类 号:TN915.853[电子电信—通信与信息系统]
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