ISSN 2456-0235

International Journal of Modern Science and Technology


​​​​​​International Journal of Modern Science and Technology, Vol. 2, Special Issue 1, 2017, Pages 26-33.


Design of Synchronous SEPIC DC-DC Converter of a Stand Alone Photovoltaic System

S. Senpagapandi, R. Sathish, S. Anitha Nirmal
Department of Electrical and Electronics Engineering, Roever Engineering College, Perambalur - 621212. India.

*Corresponding author’s e-mail:

A synchronous single ended primary inductance DC-DC SEPIC converter is designed and simulated within a PV standalone system. This converter has high efficiency of energy transfer from the generator to load   compared to the conventional converters. The diode in the converter is replaced by a PWM controlled switch to make the operating better by avoiding the discontinuous conduction mode and saving diode’s inverse voltage. Fuzzy Logic Controller (FLC) is used to extract maximum output power of the PV system. PV energy is the most essential energy resources since it is pollution free, clean and endless. The FLC proposed scheme is interface to generate the PWM (Pulse Width Modulation) for the SEPIC controller for maximum power point tracking operation. FLC is used for more efficient performance under the variation in different atmosphere.

​​Keywords: Photovoltaic module; Single-ended primary-inductance converter; DC-DC converter; Pulse Width Modulation; Fuzzy logic controller; Efficiency.


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