一个高效的高收益双向交叶增压转换器,用于将光伏集成到直流微电网.
Edara Sreelatha1, A Pandian1, Ch Rami Reddy2,3
1Department of Electrical and Electronics Engineering, Koneru Lakshmaiah Education Foundation, Guntur, India.
PloS one
|May 22, 2024
概括
本研究介绍了一种用于直流微电网的新型双向转换器,使可再生能源 (RES),储能系统 (ESS) 和直流电网之间的高效电力传输成为可能. 该设计确保了出色的电压调节和高功率转换效率.
科学领域:
- 电力电子 电力电子 电力电子
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
背景情况:
- 电流微电网需要高效的接口来整合各种能源和储能.
- 管理双向电力流和岛屿运行对于微电网的稳定性至关重要.
研究的目的:
- 为DC微电网提供一个多端口,非隔离,交叉,高压增益双向转换器.
- 开发一种新的电力传输选择算法,用于管理 RES,ESS 和直流电网之间的电力流.
主要方法:
- 使用电压乘数电路用于高压增益和共振功率模块用于降压转换.
- 开发并模拟了基于净功率差的功率传输选择算法.
- 使用MATLAB/SIMULINK.使用200W硬件原型的验证模拟结果.
主要成果:
- 实现了优异的电压调节和高效的功率转换,并获得了高电压增益.
- 证明了可行的工作周期范围和经过验证的模拟与实验结果.
- 拟议的转换器支持高效的多种功率传输模式.
结论:
- 本次介绍的双向转换器是直流微电网的卓越接口,提供高效率和多模式支持.
- 新的控制算法有效地管理了 RES,ESS 和直流电网之间的电力流.
- 该拓适用于需要将低压源与高压直流总线集成的应用.
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