Abstract
Electric vehicle charging stations built on solar PV face two problems that rarely get addressed together. The first is MPPT quality: fixed-step algorithms like Perturb and Observe cannot stop oscillating at steady state, so they waste a small but consistent fraction of available energy indefinitely. The second appears when a Thermoelectric Generator is added for waste heat recovery — connecting TEG output to the same battery as the PV charging path generates transient current spikes that destabilize charging. This paper takes both problems on in a single MATLAB/Simulink simulation. A 25-rule Mamdani Fuzzy Logic MPPT controller replaces the conventional fixed-step algorithm; it adjusts the Boost Converter duty cycle based on the power-voltage slope and its rate of change, and the result is a single startup transient followed by zero steady-state ripple. The Boost Converter output settles to roughly 715 V under nominal irradiance and dips briefly to around 695 V when an irradiance step hits at t = 1.0 s, recovering within a fraction of a second. The TEG feeds a dedicated auxiliary battery through a blocking diode rather than sharing the main battery terminal, which removes the cross-source interference entirely. Five simulation outputs — PV power, converter voltage, main battery SOC, auxiliary battery SOC, and combined battery current — all confirm stable and clean operation across the full two-second test window including the disturbance.
Keywords
Solar PV; Electric Vehicle Charging; Fuzzy Logic MPPT; Thermoelectric Generator; Dual Battery; Boost Converter; MATLAB/Simulink; Waste Heat Recovery
Citations
IRE Journals:
Dr. D. Srilatha, Peram Vishnuvardhan Reddy, Peravali Sandeep, Shaik Sameer Jan, Shaik Abdul Rehaman; Shaik Thoufiq Hussain "Solar PV Based Electric Vehicle Charging Station Using MATLAB/Simulink" Iconic Research And Engineering Journals Volume 9 Issue 10 2026 Page 1446-1454 https://doi.org/10.64388/IREV9I10-1716426
IEEE:
Dr. D. Srilatha, Peram Vishnuvardhan Reddy, Peravali Sandeep, Shaik Sameer Jan, Shaik Abdul Rehaman; Shaik Thoufiq Hussain
"Solar PV Based Electric Vehicle Charging Station Using MATLAB/Simulink" Iconic Research And Engineering Journals, 9(10) https://doi.org/10.64388/IREV9I10-1716426
About IRE Journals
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