Evaluating maximum power point tracking performance by using artificial lights

TitleEvaluating maximum power point tracking performance by using artificial lights
Publication TypeConference Paper
Year of Publication2004
AuthorsXiao, W., and W. G. Dunford
Conference NameIndustrial Electronics Society, 2004. IECon 2004. 30th Annual Conference of IEEE
Pagination2883 - 2887 Vol. 3
Date Publishednov.
Keywordscell temperature, controllable insolation level, DC-DC power convertors, digital signal processing chips, digital signal processor, dynamic response, low-cost artificial light, maximum power point tracking control, MPPT control, photovoltaic array, photovoltaic power systems, photovoltaic system, power control, solar array, solar cell arrays, solar irradiation, steady state response, sunlight, switched mode power supplies, switching convertors, switching mode DC-DC converter, system designer

The output characteristics of photovoltaic arrays are nonlinear and change with the cell's temperature and solar irradiation. Maximum power point tracking (MPPT) control in the design of photovoltaic (PV) systems is essential to draw peak power from the solar array to meet the load requirement. Therefore, the performance of maximum power point tracking is an important factor for system designers to evaluate the photovoltaic power system behaviour. In this paper, an experimental evaluation method is introduced to test the performance of maximum power point tracking (MPPT) by using photovoltaic modules and low-cost artificial lights. With controllable insolation level, both dynamic and steady state response of the PV-MPPT systems can be measured and evaluated. It can be treated as a fair method to compare different MPPT control algorithms under the same (or very similar) operating conditions.


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