Using a 6LoWPAN smart meter mesh network for event-driven monitoring of power quality

Joel Höglund, Dejan Ilić, S. Karnouskos, R. Sauter, P. Silva
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引用次数: 20

Abstract

Power quality monitoring is one of the key issues of managing an electrical grid, which is becoming even more important with more distributed and more variable generation. Today expensive equipment allows monitoring of the power network at key points, but for cost reasons this can not reach the residential end-user. To prevent an excessive need for specialized monitoring hardware, e.g. network analysers, it is proposed to engage the capabilities of modern smart meters which can monitor and report power quality events (e.g. voltage deviations). Subsequently a grid operator can follow up with actions in an affected area in order to analyse problems e.g. by increasing the sampling rate. Although the smart meter precision is not comparable to the precision of a commercial network analyser, in large numbers distributed smart meters forming a mesh network can provide sufficient information for power quality in an area while keeping the monitoring overhead and the cost low. It is shown that by using modern interoperable wireless communication protocols and Internet services, the proposed system has a high degree of flexibility, and good potential for scalability and resilience. The preliminary evaluation shows that the smart metering infrastructure, if coupled with suitable information and communication tools, can offer innovative value-added services and enhance existing business processes.
采用6LoWPAN智能电表网状网络进行事件驱动的电能质量监测
电能质量监测是电网管理的关键问题之一,随着分布式和可变发电量的增加,电能质量监测变得越来越重要。如今,昂贵的设备可以监控电网的关键点,但由于成本原因,这无法到达住宅终端用户。为了防止过度需要专门的监控硬件,例如网络分析仪,建议采用现代智能电表的功能,可以监控和报告电能质量事件(例如电压偏差)。随后,电网操作员可以在受影响的区域采取后续行动,例如通过增加采样率来分析问题。虽然智能电表的精度无法与商用网络分析仪的精度相比,但大量分布式智能电表形成网状网络,可以在保持监测开销和低成本的同时,为一个地区的电能质量提供足够的信息。结果表明,该系统采用现代可互操作的无线通信协议和Internet服务,具有高度的灵活性,具有良好的可扩展性和弹性。初步评估显示,智能计量基础设施如配合适当的资讯和通讯工具,可提供创新增值服务,并改善现有业务流程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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