Development of intelligent control of a solar power plant

Modestas Pikutis

Doctoral dissertation

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Evaluation of effective controlling system of solar power plant as a scientific problem is discussed in dissertation. Object of research – methods of load resistance changing and adaptation of algorithms of maximum power point tracking under different environmental conditions of solar power plants. Goal of the thesis is to create and investigate the method of maximum power point tracking which allows to increase the efficiency of solar power plant under fast changing environmental conditions and improve the method of load resistance changing.

Created and investigated models of solar power plant efficiency with maximum power point tracking system.                      Proposed methodology which allows to increase the efficiency of maximum power point tracking algorithm of solar power plant. The influence of changing environmental conditions on solar power plant was investigated, the effective methodology for changing load resistance of solar power plant was proposed.

Dissertation consists of introduction, three chapters, general conclusions, lists of references and author‘s publications on the subject of dissertation and summary in English.

The introduction reveals the investigated problem, importance of the thesis and the object of research and describes the purpose and tasks of the dissertation, research methodology, scientific novelty, the practical significance of results examined in the paper and defended statements. The introduction ends in presenting the author’s publications on the subject of the defended dissertation, offering the material of made presentations in conferences.

Reviewed literature is provided and the solar power plant development trends is revised in the first chapter. Reviewed solar power plant operating performance under rapidly changing environmental conditions. At the end of the chapter, conclusions are drawn and the tasks for the dissertation are reconsidered.

The second chapter describes implementation of a mathematical model in Matlab®/Simulink®. The implemented mathematical model allows to simulate various operating conditions of solar power plant: different solar power flux, module temperature or different maximum power point tracking algorithms.

The third chapter, investigates solar power plant operation under unpredictable environmental conditions using the created mathematical model. Investigation is splitted into separated phases.

Six articles are published on the subject of dissertation: two – in scientific journals included in Thomson Reuters Web of Knowledge list Web of Science, four – in scientific journal listed in other international databases. Nine presentations were presented in scientific conferences.

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145×205 mm
116 p.
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