LoRa-based communication system for data transfer in microgrids

Cherechi Ndukwe, M. Iqbal, Xiaodong Liang, Jahangir Khan, Lawrence O. Aghenta
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引用次数: 8

Abstract

This paper proposes a LoRa-based wireless communication system for data transfer in microgrids. The proposed system allows connection of multiple sensors to the LoRa transceivers, and enables data collection from various units within a microgrid. The proposed system focuses on communications at the secondary communication level of the microgrid between local controllers of each distributed generation (DG) unit and the microgrid central controller due to the possibility of applying low-bandwidth communication systems at this level. In a proof of concept test bed setup, the data collected by the sensors are sent to the LoRa gateway, which serves as the central monitoring system from which control messages are sent to various microgrid components through their local controllers such as DG units, storage systems and load. In this work, to improve communication security, a private server has been developed using Node-Red instead of cloud servers that are currently used in most Internet-of-Things (IoT) monitoring systems. A range test of the proposed system is carried out to observe the rate of data delivery. It demonstrated over 90% data delivery at 4 km. Finally, a test bed experiment is conducted to validate key features of the proposed system by achieving one-directional data transfer in a grid monitoring system.
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基于LoRa的微电网数据传输通信系统
本文提出了一种用于微电网数据传输的基于LoRa的无线通信系统。所提出的系统允许将多个传感器连接到LoRa收发器,并能够从微电网内的各个单元收集数据。由于有可能在该级别应用低带宽通信系统,因此所提出的系统侧重于每个分布式发电(DG)机组的本地控制器与微电网中央控制器之间的微电网二次通信级别的通信。在概念验证试验台设置中,传感器收集的数据被发送到LoRa网关,该网关用作中央监控系统,通过其本地控制器(如DG单元、存储系统和负载)将控制消息发送到各种微电网组件。在这项工作中,为了提高通信安全性,使用Node Red开发了一款专用服务器,而不是目前大多数物联网(IoT)监控系统中使用的云服务器。对所提出的系统进行了范围测试,以观察数据传输的速率。最后,通过在网格监测系统中实现单向数据传输,进行了试验台实验,验证了所提出系统的关键特性。
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来源期刊
AIMS Electronics and Electrical Engineering
AIMS Electronics and Electrical Engineering Engineering-Control and Systems Engineering
CiteScore
2.40
自引率
0.00%
发文量
19
审稿时长
8 weeks
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