研究目的
Investigating the efficiency and implementation of a novel hybrid-resonant PWM switching scheme for an isolated LLC multi-resonant dc-dc converter in solar power applications.
研究成果
The novel hybrid-resonant PWM switching scheme enables a resonant converter topology to achieve very high energy efficiency over a wide range of line and load. The prototype achieved a peak efficiency of 98.5 %, demonstrating the effectiveness of the proposed control scheme in simplifying MPPT implementation and maximizing efficiency in solar power applications.
研究不足
The study focuses on a specific prototype with a defined input and output voltage range. The application of the proposed scheme in different configurations or scales may require further optimization.
1：Experimental Design and Method Selection:
The study presents a novel hybrid-resonant PWM switching scheme for controlling the voltage gain in a resonant converter. The methodology includes theoretical models and detailed procedures of the experimental methods.
2：Sample Selection and Data Sources:
A prototype unit was built to convert an input voltage range of 17 V to 48 V dc from a solar panel to an output voltage of 400 V dc at 250 W.
3：List of Experimental Equipment and Materials:
Includes Infineon BSC014N06NSATMA1 OptiMOS MOSFETs, Infineon IDH05G65C5 SiC Wide Band Gap diodes, and EPCOS film capacitors.
4：Experimental Procedures and Operational Workflow:
The experimental process involved setting up the prototype, collecting data on efficiency and performance under various input voltages and loads.
5：Data Analysis Methods:
The approach for analyzing experimental data included measuring efficiencies versus output load at input voltages of 18, 30, and 48 V.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
