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Maximum Power Point Tracking Control of PV-TE Hybrid Power Generation System in Greenhouse

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  • Long Bai
  • Zaoli Yang

Abstract

The application of photovoltaic-thermoelectric (PV-TE) combined power generation system in greenhouse is an effective way to solve the problems of high energy consumption and high pollution. In order to improve the efficiency of the PV-TE system, maximum power point tracking (MPPT) control is required. Aiming at the shortcomings of the traditional incremental conductance (INC) method, which is fixed in step size, a hyperbolic tangent-type adaptive variable step length INC method is proposed. The method takes advantage of the monotonically increasing and the fast changing speed of the hyperbolic tangent function, so that the step length can be adjusted rapidly and adaptively according to the change of external environmental conditions such as light intensity. The simulation results show that the proposed method can rapidly track the maximum power point when the illumination intensity changes drastically, and meanwhile it has smaller steady-state error and can realize MPPT control well.

Suggested Citation

  • Long Bai & Zaoli Yang, 2022. "Maximum Power Point Tracking Control of PV-TE Hybrid Power Generation System in Greenhouse," Mathematical Problems in Engineering, Hindawi, vol. 2022, pages 1-9, July.
    • Handle: RePEc:hin:jnlmpe:7691291
    DOI: 10.1155/2022/7691291
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