基于电力线载波通信的光伏汇流箱监测单元设计

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摘要:该文介绍了一种光伏汇流箱智能监测设备,其采用模块化设计,支持多种通信方式;可将通信数据通过已有光伏电缆传输,不需要额外布通信线;支持标准MODBUS-RTU协议,可在线进行程序升级,方便配合各类监控后台系统监测数据;测试数据精度满足测量标准,能够实现电流测量、模拟量测量及报警功能。
关键词:电力线载波;光伏监控;MODBUS-RTU协议;太阳能光伏
doi:10.3969/J.ISSN.1672-7274.2024.09.030
中图分类号:TD 65+5.2;TN 915.03 文献标志码:B 文章编码:1672-7274(2024)09-00-03
Design of Photovoltaic Combiner Box Monitoring unit Based on Power Line Carrier Communication
LIU Huichao1, MA Xueliang1, YANG Huijun1, CAO Jun2
(1. School of Information Engineering, Anhui International Business Vocational College, Hefei 230011, China;
2. Anhui Jingchen Future Technology Co., Ltd., Hefei 230011, China)
Abstract: This article designs an intelligent monitoring device for photovoltaic combiner boxes, which adopts modular design and supports multiple communication methods; Communication data can be transmitted through existing photovoltaic cables without the need for additional communication lines; Supports standard MODBUS-RTU protocol, allows for online program upgrades, and facilitates data monitoring with various monitoring backend systems; The accuracy of the test data meets the measurement standards and can achieve current measurement, analog measurement, and alarm functions.
Keywords: power line carrier; photovoltaic monitoring; MODBUS-RTU protocol; solar photovoltaic
在光伏电站中,光伏汇流箱分布分散需要铺设大量的通信线缆。(剩余3274字)