研究目的
To present a zero-voltage switching (ZVS) based dc-dc converter with high step-up active clamp coupled inductor for grid-tied solar photovoltaic applications, aiming to improve efficiency and overcome the difficulties of leakage inductance.
研究成果
The proposed zero-voltage switching (ZVS) based dc-dc converter with high step-up active clamp coupled inductor significantly improves voltage gain and efficiency for grid-tied solar photovoltaic applications. Simulation results confirm the reduction in voltage stresses and losses, enhancing the converter's output efficiency.
研究不足
The study assumes ideal components except for leakage inductance, neglecting diode forward voltage drops and switch on-state resistance. Large capacitor values are considered for constant voltages, which may not fully account for real-world variations.
1：Experimental Design and Method Selection:
The study employs a zero-voltage switching (ZVS) based dc-dc converter design with an active clamp coupled inductor and switched capacitor cell for high voltage conversion.
2：Sample Selection and Data Sources:
Simulation parameters include a 500W power capacity, 48V input voltage, and 100kHz switching frequency.
3：List of Experimental Equipment and Materials:
Components include a clamp capacitor (
4：5uF), switched capacitors (7uF), output capacitor (200uF), and magnetizing inductance (45uH). Experimental Procedures and Operational Workflow:
The converter's operation is analyzed through eight operating modes within one switching frequency, detailing the ZVS operation and energy transfer mechanisms.
5：Data Analysis Methods:
Theoretical analysis and simulation results are used to evaluate the converter's performance, including voltage gain and efficiency improvements.
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
