Detection of Internal Resistance Change for Photovoltaic Arrays Using Extremum-Seeking Control MPPT Signals

Volume: 24, Issue: 1, Pages: 325 - 333
Published: Jan 1, 2016
Abstract
Maximum power point tracking (MPPT) and fault diagnosis are two important aspects of reducing the cost of energy for photovoltaic (PV) systems. Many mechanisms of PV degradation are associated with change in the internal resistance, especially the shunt resistance. This brief proposes a cost-effective scheme for detecting the change of PV internal resistance using the signals available in extremum-seeking control (ESC)-based MPPT. With the...
Paper Details
Title
Detection of Internal Resistance Change for Photovoltaic Arrays Using Extremum-Seeking Control MPPT Signals
Published Date
Jan 1, 2016
Volume
24
Issue
1
Pages
325 - 333
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