Performance Analysis of Two PV plants in Different Geographical Environment
PROCEEDINGS OF THE 3RD 2017 INTERNATIONAL CONFERENCE ON SUSTAINABLE DEVELOPMENT (ICSD 2017)(2017)
摘要
This paper describes the design of an on-line monitoring system for grid-connected photovoltaic plants. The proposed system consists of a meteorological data collection system for measuring meteorological parameters (e.g. irradiance, ambient air temperature, etc.), a set of data collection boxes for measuring electrical parameters (e.g. DC and AC current, DC and AC voltage, DC and AC power, etc.) and a PC. The collected data have been transmitted to the PC by two methods, wired transmission and wireless transmission. The software of the on-line monitoring system based on LabVIEW (Laboratory Virtual Instrument Engineering Workbench) package is used to process, display and store the collected data in the PC disk. The on-line monitoring system was installed in a grid-connected photovoltaic plant for an on-site measurement in Qinghai province in China. The obtained results demonstrate that it has the ability for data collecting, processing and analyzing and it meets the measurement requirements of grid-connected PV plant.
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关键词
Grid-connected PV plants,On-line monitoring system,Sensors,LabVIEW
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