Transactions on Machine Intelligence

Transactions on Machine Intelligence

Comparison of Maximum Power Point Tracking Algorithms in the Presence of Boost and SEPIC Converters

Document Type : Original Article

Author
Ph.D. student in Electrical Engineering, Imam Khomeini International University, Qazvin, Iran
Abstract
The Maximum Power Point Tracking (MPPT) control system is a method that can bring a photovoltaic (PV) system closer to its maximum achievable efficiency. Given the various algorithms and classifications available, comparing methods in a specific situation can help select the appropriate algorithm. This paper first provides a comprehensive categorization of MPPT methods and then tracks the maximum power point using three algorithms: P&O, IC, and Fuzzy-PI, in the presence of Boost and SEPIC converters. The P&O, IC, and Fuzzy-PI algorithms are executed once with the Boost converter and once with the SEPIC converter. In both cases, the accuracy and speed of tracking the algorithms and the impact of the converters on output power are examined. By comparing oscillations around the desired point and the settling time in each scenario, the use of a PI algorithm, with coefficients calculated by the Fuzzy method and applied to the SEPIC converter, demonstrates better performance than others. Analysis and simulation of the system were conducted using the Simulink unit in MATLAB software.
Keywords

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Volume 3, Issue 3
Summer 2020
Pages 165-175

  • Receive Date 04 June 2020
  • Revise Date 04 August 2020
  • Accept Date 13 September 2020