Design of Photovoltaic Combiner Box Monitoring unit Based on Power Line Carrier Communication
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.
power line carrierphotovoltaic monitoringMODBUS-RTU protocolsolar photovoltaic
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