在集成电网的微电网中,通过矩阵笔技术进行精确的电力质量控制
Buddhadeva Sahoo1, Subhransu Ranjan Samantaray2, Mohammed M Alhaider3
1Department of Electrical and Electronics Engineering, SR University, Warangal, Telangana, 506371, India. buddhadeva@sru.edu.in.
Scientific reports
|February 27, 2025
概括
一个新的基于矩阵笔的能源管理控制 (MPEMC) 增强了太阳能光伏系统,提高了电力质量和效率. 这种先进的控制策略显著减少了波扭曲,并确保了稳定的电网集成.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 控制系统 控制系统
背景情况:
- 集成电网的太阳能光伏 (PV) 系统需要强大的能源管理,以确保稳定的电力质量和高效的运行.
- 现有的方法经常与动态负载变化和波扭曲作斗争,影响整体系统性能和电网合规性.
研究的目的:
- 引入和评估基于矩阵笔的能源管理控制 (MPEMC) 系统,以提高联网光伏系统的电力质量 (PQ) 和电力流量.
- 为了提高光伏系统的效率,稳定直流连接电压,并在动态条件下减少总波扭曲 (THD).
主要方法:
- 开发了一种基于矩阵笔的能源管理控制 (MPEMC) 系统,集成了一个分流主动功率过器 (SAPF) 和基于增量导电量的最佳功率跟踪控制 (OPTC).
- 在MP方法中使用了对数编码器来控制直流链的电压和单值值分解 (SVD),以分解非线性.
- 通过模拟和硬件实现在基于Spartan-6 FPGA的光伏微电网平台上验证了MPEMC方法,将结果与DFT-EMC和TS-Fuzzy-EMC控制器进行比较.
主要成果:
- 采用MPEMC方法提高了光伏系统效率4% (100千瓦输出),并实现了DC-link电压误差降低时间小于0.12秒.
- 与其他控制器相比,SVD-MPEMC显示了10-25%更快的沉降时间和10-15%更低的峰值超越.
- 使用SVD-MPEMC,平均总波扭曲 (THD) 降至2.02%,显著超过DFT-EMC (5.11%) 和未补偿系统 (38.89%),同时符合IEEE-519标准.
结论:
- 拟议的SVD-MPEMC为可再生能源整合提供了一个变革性的解决方案,在电网主动/反应功率稳定和直流链接电压调节方面提供了卓越的性能.
- 该MPEMC方法确保了高响应一致性与最小的振荡,并有效地管理了联网光伏系统的非线性.
- 硬件验证证实了MPEMC在实时电网应用中的有效性和可靠性.
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