基于電力線載波通信的光伏匯流箱監(jiān)測單元設(shè)計

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摘要：該文介紹了一種光伏匯流箱智能監(jiān)測設(shè)備，其采用模塊化設(shè)計，支持多種通信方式；可將通信數(shù)據(jù)通過已有光伏電纜傳輸，不需要額外布通信線；支持標(biāo)準(zhǔn)MODBUS-RTU協(xié)議，可在線進行程序升級，方便配合各類監(jiān)控后臺系統(tǒng)監(jiān)測數(shù)據(jù)；測試數(shù)據(jù)精度滿足測量標(biāo)準(zhǔn)，能夠?qū)崿F(xiàn)電流測量、模擬量測量及報警功能。

關(guān)鍵詞：電力線載波；光伏監(jiān)控；MODBUS-RTU協(xié)議；太陽能光伏

doi：10.3969/J.ISSN.1672-7274.2024.09.030

中圖分類號：TD 65+5.2；TN 915.03               文獻標(biāo)志碼：B           文章編碼：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

在光伏電站中，光伏匯流箱分布分散需要鋪設(shè)大量的通信線纜。（剩余3274字）