A Novel Hysteresis Power Point Optimizer for Distributed Solar Power Generation

Oleksandr Veligorskyi, Oleksandr Husev, Viktor Shevchenko, Kostiantyn Tytelmaier, Roman Yershov, Roman Kosenko, Dmitri Vinnikov


This paper proposes a new photovoltaic panel maximum power point optimizer based on a buck converter. It can be connected to the dc-link distributed energy harvesting system that should perform the true maximum power point tracking algorithm based on maintaining constant dc-link voltage. The algorithm is based on the hysteresis sensorless control and provides high efficiency. Proposed solution is recommended to be used in small- and medium- power systems where the price of the conventional maximum power point tracking converter is very high and comparable to the cost of the individual panel.


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Developed by Institute of Industrial Electronics and Electrical Engineering of RIGA TECHNICAL UNIVERSITY