Design and Analysis of Input Capacitor in DC–DC Boost Converter for Photovoltaic-Based Systems

Aamir Hayat, Daud Sibtain, Ali F. Murtaza, Sulman Shahzad, Muhammad Sheheryar Jajja and Heybet Kilic ()
Additional contact information
Aamir Hayat: Department of Electrical Engineering, University of Central Punjab, Lahore 54000, Pakistan
Daud Sibtain: Energy Center of Excellence (ECoE), Harbin Electric International, Harbin 150028, China
Ali F. Murtaza: Department of Electrical Engineering, University of Central Punjab, Lahore 54000, Pakistan
Sulman Shahzad: Department of Electrical Engineering, Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
Muhammad Sheheryar Jajja: Department of Electrical Engineering, University of Central Punjab, Lahore 54000, Pakistan
Heybet Kilic: Department of Electric Power and Energy Systems, Dicle University, 21280 Diyarbakır, Turkey

Sustainability, 2023, vol. 15, issue 7, 1-16

Abstract: Photovoltaic (P.V.) systems have become an emerging field for power generation by using renewable energy (RE) sources to overcome the usage of conventional combustible fuels and the massive release of dangerous gases. The efficient operation of the PV system is vital to extracting the maximum power from the PV source. For this, a maximum power point tracking (MPPT) algorithm works with a DC–DC converter to extract maximum power from the P.V. system. Two main issues may arise with the involvement of a converter: (1) to locate M.P.P and (2) the performance of the PV model in varying weather conditions. Therefore, designing any converter gain has the utmost significance; thus, the proposed work is on non-isolated boost converters. To calculate the values of specific parameters such as input capacitor, output capacitor, and inductor, the averaging state-space modeling typically uses governing equations. In this research, the formula of the input capacitor is derived through the average state-space modeling of the boost converter, which signifies the relation between input and output capacitors. From the results, it has been proven that the input capacitor efficiently performs when the input capacitor is half of the output capacitor. At an irradiance level of 1000 W/m 2 , the system shows stable behavior with a fast convergence speed of 0.00745 s until the irradiance falls to a value of 400 W/m 2 . The system is less stable during the morning and the evening when irradiance falls are very low.

Keywords: photovoltaic; maximum power point tracking; renewable energy; power electronics; input capacitor; output capacitor (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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