Grid-Connected Photovoltaic Monitoring System Based on Virtual Instrument

Abstract:

Combined with the theories of distributed monitoring, the technologies of virtual instrumentation and database management,a grid-connected photovoltaic monitoring system is developed based on virtual instrumentation technology. The hardware architecture and software programming are expounded, by hardware and software ways, various parameters of the grid-connected photovoltaic system are collected and analyzed real-timely with CompactRIO system and PXI measuring system, it realizes the functions of monitoring the performance of the PV at the real-time, detecting the power quality of the common coupling point (PCC) and historic data management. Compared with traditional monitoring system, not only it meets the requirements of grid research for sampling speed, precision and recording capacity, but also the friendly interactive interface and the flexible expansibility are more comfortable for operators.

• Periodical: Applied Mechanics and Materials (Volume 521)
• Pages: 233-240
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.521.233
• Online since: February 2014
• Authors: Yun Long Ma, Li Jun Tian*, Ying Lin Qin, Tao Jiang
• Keywords: Data Acquisition, LabVIEW, PV Grid-Connection Power Generation, Virtual Instrument (VI)

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