对无刷直流电机和开关不情愿电机进行比较分析,以优化离网抽水
Avinash Kumar1, Sanjay Marwaha1, Manpreet Singh Manna1
1Department of EIE, SLIET, Longowal, India.
Scientific reports
|January 28, 2025
概括
无刷直流电机 (BLDC) 与开关阻抗电机 (SRM) 相比,为离网水系统提供更高的扭矩和更顺的运行. 这项研究验证了BLDC和SRM在可持续能源解决方案方面的表现.
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
- 可持续技术 可持续技术
背景情况:
- 离网抽水系统 (OGWPS) 对于可持续的能源解决方案至关重要.
- 无刷直流 (BLDC) 和开关阻力电机 (SRM) 是低功率应用的可行选择.
- 在OGWPS中对电机性能进行比较分析对于优化效率至关重要.
研究的目的:
- 使用有限元法 (FEM) 设计和分析OGWPS的BLDC和SRM.
- 在相同的条件下比较BLDC和SRM的性能特征,包括扭矩和效率.
- 评估BLDC和SRM技术是否适用于提高OGWPS的效率和可靠性.
主要方法:
- 使用适应性有限元分析 (FEA) 进行NEMA 42标准几何形状的电机设计.
- 实现了SRM的 (n+1) 开关转换器和用于BLDC的三相电压源逆变器 (VSI) 的Cuk转换器.
- 在相同的操作条件下对扭矩配置,效率和扭矩波动进行了比较分析.
主要成果:
- BLDC电机实现了11.5Nm的最大扭矩和91.9%的效率.
- 在SRM中,最大扭矩为3.8Nm,效率为94.6%.
- 与SRM (1.19 pu) 相比,BLDC电机的扭矩波动较低 (0.73 pu),这表明操作更顺.
结论:
- 对于OGWPS,BLDC电机在扭矩和运行顺方面表现出卓越的性能.
- 对于OGWPS来说,BLDC和SRM技术都是可行的,BLDC在特定性能指标方面提供了优势.
- 模拟结果通过对原型电机的实验测试来验证.
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