Balkan Journal of Electrical and Computer Engineering 2147-284X 2147-284X MUSA YILMAZ 10.17694/bajece.660025 Electrical Engineering Elektrik Mühendisliği Voltage Control of Cuk Converter with PI and Fuzzy Logic Controller in Continuous Current Mode https://orcid.org/0000-0001-7624-4245 Yılmaz Mehmet Ataturk University Engineering Faculty Depertmant of Electrical and Electronics Enginnering https://orcid.org/0000-0001-5692-8367 Corapsiz Muhammedfatih Ataturk University Engineering Faculty Depertmant of Electrical and Electronics Enginnering https://orcid.org/0000-0001-5477-5299 Çorapsız Muhammed Reşit BAYBURT UNIVERSITY, BAYBURT VOCATIONAL SCHOOL 04 30 2020 8 2 127 134 12 16 2019 04 02 2020 Copyright © 2013, Balkan Journal of Electrical and Computer Engineering 2013 Balkan Journal of Electrical and Computer Engineering

In today's energy systems, many equipment operate with Direct Current (DC) voltage. However, it is not always possible to obtain the voltage level required for the operation of these equipment from standard power supplies. For this reason DC-DC converters are used to achieve the desired voltage values for equipment with different DC voltage levels. These converters are divided into three general categories, named Buck, Boost and Buck-Boost. The most preferred converter is the Cuk converter with low output ripple voltage, which can operate in both buck and boost modes. In this study, a detailed analysis of the Cuk converter, which is frequently used in Photovoltaic (PV) Panels was performed and different control methods of the output voltage were proposed. While performing this analysis, the dynamic model of the Cuk converter was created in which, Proportional-Integral (PI) and Fuzzy Logic (FL) are used to control the output voltage of the Cuk converter. The performances of both controllers were compared with respect to performance parameters such as steady state error, settling time and rise time. When the results obtained were evaluated as a whole, it was observed that FLC achieved the desired reference with less rise and settling time. In this study, modeling and controller applications of Cuk converter are realized by using MATLAB / SIMULINK program

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