Fault Diagnosis for Building Grid-Connected Photovoltaic System Based on Analysis of Energy Loss

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Abstract:

The photovoltaic (PV) systems are the most promising options to meet the rapidly increasing energy demand for renewable energy resources development. A simple and well fault diagnosis system can guarantee the normal operation of photovoltaic systems. This paper proposes a simple diagnostic method to tell the operating status of the PV systems by contrasting the simulation parameters and the measured parameters. The diagnostic algorithm uses the irradiance level, the PV modules temperature, the number of PV modules and its output power as the inputs. So, just temperature and irradiance sensors, as well as several power meters are needed in the monitoring system forming part of the fault diagnostic system. The proposed fault detection method has been successfully validated in simulation and experiment.

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Advanced Materials Research (Volumes 805-806)

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93-98

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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