Maximum Power Operation of a PV System Employing Zeta Converter with Modified P&O Algorithm

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
  
© 2022 by IJETT Journal
Volume-70 Issue-7
Year of Publication : 2022
Authors : Kavita Joshi, Vaishali Raut, Surendra Waghmare, Manisha Waje, Rupali Patil
DOI : 10.14445/22315381/IJETT-V70I7P236

How to Cite?

Kavita Joshi, Vaishali Raut, Surendra Waghmare, Manisha Waje, Rupali Patil, "Maximum Power Operation of a PV System Employing Zeta Converter with Modified P&O Algorithm" International Journal of Engineering Trends and Technology, vol. 70, no. 7, pp. 348-354, 2022. Crossref, https://doi.org/10.14445/22315381/IJETT-V70I7P236

Abstract
The Zeta converter is a non-inverted DC-DC converter composed of four energy storage components, capable of operating in step-down and step-up mode. This paper presents a zeta converter modelling and its analysis. The widely used Averaging Method such as State-Space is adapted in CCM (continuous conduction mode). The Zeta Converter acts as an interface between the load, solar PV array, and load. A solar PV array feeds the input power to the Zeta converter. The single diode model is employed for the solar module for simulation studies. The optimum power from the solar PV array is extracted using a modified Perturb and Observation algorithm. This controller is tuned to evaluate the Zeta converter and PV array performance under varying insolation conditions. The proposed system guarantees stability during steady-state and ensures that the maximum power is always tracked irrespective of changes in insolation level. The simulation results show the validity of the model’s effectiveness.

Keywords
Maximum power point (MPP), Zeta converter, Photovoltaic (PV), proportional and integral (PI), Continuous conduction mode (CCM).

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