研究目的
To propose a family of integrated step-up micro-inverters for photovoltaic power generation systems that can achieve voltage pump and invert functions simultaneously with advantages of less power devices, simpler topology, and higher integration.
研究成果
The proposed integrated step-up micro-inverters can achieve both boost and inverter functions simultaneously, offering advantages such as fewer power devices, simpler topology, and higher integration. The simulation results validate the working principle and effectiveness of the proposed topology.
研究不足
The study focuses on low to medium power inverter applications with low input voltage, and the complexity and adaptability of higher-order DC/DC converters are not thoroughly explored.
1：Experimental Design and Method Selection:
The study proposes a switch unit for integrating DC/DC converter and full-bridge inverter, deriving a series of integrated step-up micro-inverter structures.
2：Sample Selection and Data Sources:
Simulation parameters include input voltage (45-56V), output voltage (110V/60Hz), output power (500W), and on-off level (20kHz).
3：List of Experimental Equipment and Materials:
Inductors (L1=5mH, L2=5mH, L0=1mH), capacitors (C1=1000μF, C2=1000μF, C0=10μF).
4：Experimental Procedures and Operational Workflow:
The study analyzes the working principle of the proposed topology under mixed SPWM modulation mode and verifies it through simulation.
5：Data Analysis Methods:
The output voltage waveform quality is assessed using Fourier analysis, showing a THD of only 0.5%.
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
