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[IEEE 2019 International Conference on Electrical Drives & Power Electronics (EDPE) - The High Tatras, Slovakia (2019.9.24-2019.9.26)] 2019 International Conference on Electrical Drives & Power Electronics (EDPE) - Experimental DC/DC Converter for Photovoltaic Panel with Fully Digital Control Based on Flyback Topology with Nontraditional Snubber Circuit
摘要： This paper deals with the design, simulation and construction of a switching mode power supply. The power supply is especially intended for one photovoltaic panel with 24 V output voltage and 250 W peak power. The supply is based on a flyback topology with nontraditional passive non-dissipative snubber circuit. The entire converter was simulated in the MATLAB Simulink. The converter is fully digital controlled by a STM32F334 microcontroller with a cascade control loop. The selected topology, fundamental simulation of the converter, snubber circuit and strategy of control and constructed converter are included in this paper. The converter can be used with another same converter for creating a small off grid photovoltaic system.
关键词： maximum power point tracking,photovoltaic,passive snubber,digital control,MATLAB Simulink,flyback
更新于2025-09-16 10:30:52
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A Single-switch Single-magnetic Core High Conversion Ratio Converter with Low Input Current Ripple and Wide Soft-switching Range for Photovoltaic Applications
摘要： In this paper, a novel high conversion ratio DC-DC converter suitable for photovoltaic applications is presented. Utilizing single-switch and single-magnetic core, low ripple input current and low voltage stress across the semiconductors are the major advantages of the proposed converter. In order to provide soft-switching condition for the converter switch at a wide range of output power, a passive lossless snubber is employed. The presented converter is adequate for photovoltaic applications due to mentioned properties. Operating principles are analyzed and design considerations are provided. In order to validate the theoretical analysis, a prototype of the proposed converter is implemented and the experimental results are exhibited.
关键词： single-switch,single-magnetic core,lossless passive snubber,High conversion ratio,soft-switching,photovoltaic applications
更新于2025-09-12 10:27:22