一个新的数据驱动的NLMPC战略技术经济微电网管理与电池储能在不确定性下
Elnaz Yaghoubi1, Elaheh Yaghoubi2, Mehdi Zareian Jahromi3
1Faculty of Engineering, Department of Electrical and Electronics Engineering, Karabuk University, Karabuk, Turkey. elnaz.yaquobi@gmail.com.
本研究介绍了一种数据驱动的非线性模型预测控制 (NLMPC) 框架,使用高斯过程回归 (GPR) 来优化微电网 (MG) 与能源存储系统 (ESS) 的运行. 该方法通过准确建模动态和处理不确定性,显著降低成本并提高电压稳定性.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 整合可再生能源的整合
背景情况:
- 越来越多的可再生能源透率和能源需求需要先进的微电网 (MG) 管理.
- 传统的控制方法与现代MGs复杂的动态和不确定性作斗争.
研究的目的:
- 开发一个数据驱动的非线性模型预测控制 (NLMPC) 框架,以优化MG操作.
- 在MG中有效地整合能源存储系统 (ESS) 和分布式发电 (DG).
- 为了提高MG的稳定性,可靠性和经济效率.
主要方法:
- 利用高斯过程回归 (GPR) 进行数据驱动的总干部单位和ESS动态的建模.
- 包含蒙特卡罗模拟来解决可再生能源发电的不确定性.
- 实施了NLMPC,以协调 DG 和 ESS 调度,优化功率流,并尊重运营约束.
主要成果:
- 实现了显著的成本节约:~39.2%vs. 传统的MPC和~41.5%与自适应的MPC.
- 显著改善了电压稳定性:28.57%与28.57%相比 传统的MPC和52.38%与自适应MPC相比.
- 精确的GPR建模和强大的不确定性处理导致MG性能得到改善.
结论:
- 拟议的数据驱动的NLMPC框架通过准确地建模系统动态和处理不确定性,有效地优化了MG操作.
- 该框架通过降低成本增强经济效益,并最大限度地利用可再生能源.
- 这种方法确保了MG的稳定性和可靠性,这对于整合越来越多的可再生能源至关重要.
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