研究目的
To propose a cascaded sources switched tapping multilevel DC-link inverter (CSSTMLDCLI) and the forward converter based hybrid loads MPC (HLMPC), which is more suitable for meeting the requirements of domestic applications by offering both ac and dc outputs from multiple dc sources such as batteries and PV cells.
研究成果
The proposed HLMPC, incorporating the CSSTMLDCLI and forward converter, is suitable for domestic power backups, offering both ac and dc outputs from multiple dc sources. The system's efficiency and reliability are enhanced through reduced component count and centralized control. The experimental results validate the simulation findings, demonstrating the practicality of the proposed HLMPC for integrating PV cells and battery storages in domestic applications.
研究不足
The study focuses on domestic applications and may not cover industrial or large-scale applications. The proposed converter's performance under varying environmental conditions and long-term reliability are areas for further investigation.
1：Experimental Design and Method Selection:
The study involves the design and simulation of the proposed HLMPC using MATLAB? Simulink R2016a, followed by the development of a laboratory prototype. The gating signals are generated using an ALTERA QUARTUS II 12.0SP2 field-programmable gate array (FPGA) processor.
2：0SP2 field-programmable gate array (FPGA) processor.
Sample Selection and Data Sources:
2. Sample Selection and Data Sources: The study uses three separate dc sources (SDCSs) for the seven level ac output and integrates PV sources and battery storages for domestic applications.
3：List of Experimental Equipment and Materials:
The prototype includes power MOSFETs, IGBTs, diodes, an isolation transformer, and a FLUKE 430-II power quality analyzer for harmonics spectrum analysis.
4：Experimental Procedures and Operational Workflow:
The functionality of the proposed MPC is verified through simulation, leading to a systematic design of the system for 1 kW. The laboratory prototype is then developed, and the gating signals are analyzed through ModelSim10.0d.
5：0d.
Data Analysis Methods:
5. Data Analysis Methods: The harmonics profile is extracted with the aid of a powergui block with the ode solver Tustin for the sample time of 5 μs. The performance and efficiency of the proposed converter are investigated through simulation and FPGA-based laboratory prototype.
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