对于以可再生能源为主导的不受管制的电力网络,最佳的电压和频率控制策略
Vineet Kumar1, Sumit Sharma2, Vineet Kumar3
1Department of Electrical and Electronics Engineering, Madanapalle Institute of Technology and Science, Madanapalle, 517325, AP, India.
Scientific reports
|January 2, 2025
概括
本研究引入了一种新的控制策略,用于可再生能源的电力系统中稳定的电压和频率. 它显著减少了频率偏差和电压稳定时间,提高了电网稳定性.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 控制系统 控制系统
背景情况:
- 稳定的电压和频率对于电力系统的可靠性至关重要,特别是随着可再生能源的整合日益增加.
- 使用多种发电源 (热能,柴油,风能,太阳能光伏,水电) 的放松管制的电力系统面临复杂的控制挑战.
- 可再生能源的变化需要先进的控制策略来控制电网稳定性.
研究的目的:
- 建议在放松管制的电力系统中为电压和频率调节提出协调的控制策略.
- 提高整合可再生能源的电力系统的性能.
- 在各种干扰和市场交易下提高电力系统控制的稳定性.
主要方法:
- 开发了一个新的领导者哈里斯·霍克斯基于优化的模型预测控制器 (MPC-LHHO).
- 采用随机建模技术来描述风能和太阳能发电的变化.
- 集成辅助设备,如统一的动力流量控制器 (UPFC) 和电网连接的电动汽车 (EV).
主要成果:
- 实现了67.45%的频率偏差下拉降和91.11%的电压稳定时间的减少.
- 在使用辅助设备的随机情景下,频率偏差减少了52.18%.
- 与传统控制器相比,在poolco和双边交易中表现出优异的表现.
结论:
- 拟议的MPC-LHHO战略有效地提高了复杂电力系统中的电压和频率调节.
- 集成UPFC和电动汽车进一步提高了对可再生能源间歇性和负载变化的系统弹性.
- 在违反合同,负载变化和可再生间歇性的情况下,控制策略被证明是稳健和有效的.
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