连接到电网的改进式水电转换器与智能mppt战略用于铁路应用中的储能系统
Suresh Vendoti1, A Hema Sekhar2, A V Bharadwaja3
1School of Engineering, Electrical and Electronics Engineering Department, Godavari Global University, Rajahmundry, A.P., India. sureshvendoti@gmail.com.
Scientific reports
|April 16, 2025
概括
本研究介绍了一种改进的SEPIC转换器和MPPT战略,用于高速铁路,增强再生制动能使用和电网电力质量. 该系统提高了铁路储能和电网集成的效率和稳定性.
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
- 铁路电力系统 铁路电力系统
背景情况:
- 高速铁路产生大量的再生制动能量,对高效利用和电网整合提出了挑战.
- 现有的电力供应系统在成本效益和电力质量方面面临限制,需要先进的能源管理解决方案.
研究的目的:
- 增强利用再生制动能在高速铁路中的利用.
- 为了降低运营成本和提高引电源系统的功率质量.
- 为铁路储能系统提供一个连接到电网的改进的SEPIC转换器,并采用智能MPPT策略.
主要方法:
- 集成一个优化的SEPIC转换器拓与自适应MPPT算法.
- 使用太阳能光伏和风能转换系统 (WECS) 与DFIG.
- 使用由PI控制器管理的PWM整流器和带LC过器的单相VSI.
- 实施双向电池转换器用于储能和电网注入.
主要成果:
- 与传统设计相比,改进的SEPIC转换器可以将电压压力降低25%,并将效率提高到97%.
- 智能MPPT策略在动态条件下提高了37.5%的跟踪速度.
- 通过模拟和实验结果通过使用DSPIC30F4011控制器验证了卓越的性能.
结论:
- 拟议的系统有效地提高了铁路应用中的功率转换效率和稳定性.
- 智能MPPT策略导致能源利用率提高,响应时间缩短.
- 开发的系统显示了对现实世界铁路应用的巨大潜力,优化了储能和电网同步.
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