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In this paper, we develop a new real-time thermoelectrical model of a photovoltaic (PV) panel that takes degradations into consideration. The degradation modes under study are the potential-induced degradation, the light-induced degradation, the ultraviolet light degradation, the moisture-induced degradation, and the cell cracks. The effect of each degradation mode on the equivalent circuit of PV...
During operation, ceramic outdoor high voltage insulators may severe a certain degree of pollution which may reduce their performances. Under these conditions a large leakage current (LC) may flow on the surface and degradation may take place. The LC waveforms are normally non-pure sinusoidal. This paper explains the LC under clean fog condition and proposes an equivalent electrical circuit model...
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