Chance-Constrained Microgrid Energy Management with Flexibility Constraints Provided by Battery Storage
Chance-Constrained Microgrid Energy Management with Flexibility Constraints Provided by Battery Storage
复制标题
具有电池存储提供的灵活性约束的机会约束微电网能源管理
DOI：
--
复制
发表时间：
2019
期刊：
影响因子：
--
通讯作者：
A. Kargarian
中科院分区：
文献类型：
--
作者：
Okan Ciftci;M. Mehrtash;F. Safdarian;A. Kargarian
电池存储设备可以为微电网提供多种服务。然而，网格管理中多个服务的并发建模和制定是一个具有挑战性的问题。本文提出了一种微电网的能源管理方法，包括电力和热能形式的能源。所提出的方法利用电池存储设备通过应用机会约束优化来提供多种服务。电池存储用于 5 分钟负载跟踪和能源套利目的。此外，我们还制定了一套灵活性约束，利用电池的快速爬坡能力，增强微电网的可靠性，以应对短期太阳能发电和负载波动。也就是说，电池用于负载跟踪、能源套利和调节储备采购。实施机会约束来处理太阳能发电的不确定性和负荷预测误差。所提出的方法考虑了热能和电能之间的相互依赖性。数值结果表明了该方法在处理不确定性、缓解短期波动、增强电网灵活性和可靠性方面的有效性。
Battery storage devices can potentially provide multiple services to microgrids. However, concurrent modeling and formulation of multiple services in grid management is a challenging problem. This paper proposes an energy management approach for microgrids including electrical and thermal forms of energy sources. The proposed approach takes advantage of battery storage devices for providing multiple services by applying chance-constrained optimization. The battery storage is deployed for 5-minute load following and energy arbitrage purposes. In addition, we have formulated a set of flexibility constraints, taking advantage of battery’s fast ramping capabilities, to enhance microgrid reliability in response to short-term solar power and load fluctuations. That is, the battery is deployed for load following, energy arbitrage, and regulation reserve procurement. Chance constraints are implemented to handle uncertainties of solar generation and load forecasting errors. Interdependencies between thermal and electrical energies are taken into account in the proposed approach. Numerical results show the effectiveness of the proposed approach to handle uncertainties, alleviate the short-term fluctuations, and enhance grid flexibility and reliability.