期刊
RENEWABLE ENERGY
卷 179, 期 -, 页码 963-981出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2021.07.035
关键词
Solar photovoltaic; Fault detection and diagnosis; Numerical modelling; Thermal balance; Dynamic fault characterisation; Computational simulation tool
资金
- Australian Academy of Technology & Engineering via a Global Connections Fund Bridging Grant [512125941]
This paper introduces a simulation platform for BIPV systems that can characterize main faults, with acceptable predictive performance demonstrated through comparison with actual installation data. The platform is capable of simulating dynamic faulty operations influenced by various faults.
This paper presents the development and validation of a building integrated photovoltaic (BIPV) simulation platform which can introduce and characterise main faults of BIPV systems. The coupling of the electrical circuit with thermal balance, and the introduction of different faults and their interactions with broken/active protection diodes are among the main contributions of this study. Through comparison with the data measured from a real BIPV installation, it was found that this platform is able to provide an acceptable prediction of the performance of BIPV systems. The design and test of a series of scenarios demonstrated that this platform was capable to simulate and characterise dynamic faulty operations of BIPV systems influenced by various faults. It was found that short-circuit current, gradient information and inflection point in the current-voltage (I-V) curve can be utilised to discriminate the aging and medium partial shading faults with corresponding broken/active bypass diodes. The open-circuit voltage and inflection point in the I-V curve, and the PV cell temperature can be used to distinguish the shortcircuit fault in a PV string and inter-string short-circuit fault, with corresponding broken/active blocking diodes. Hotspot phenomenon can also be observed if a minor partial shading fault was introduced in the simulation. (c) 2021 Elsevier Ltd. All rights reserved.
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