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首页> 外文期刊>Renewable Power Generation, IET >Risk aversion energy management in the networked microgrids with presence of renewable generation using decentralised optimisation approach
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Risk aversion energy management in the networked microgrids with presence of renewable generation using decentralised optimisation approach

机译：使用分散优化方法的存在可再生能源的网络微电网中的风险规避能源管理

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摘要

Energy management problem is regarded as an important subject in the networked microgrids (MGs) based distribution system, where each entity possesses individual objectives. In this study, risk aversion energy management has been proposed for each MG and the distribution network (DN) in order to assess risks associated with uncertain sources. Conditional value at risk technique is utilised for including variability of profit to the objective function. In addition, this study investigates usefulness of possibility of power trading among MGs. For this aim, separate power line is considered between two different MGs besides of their power lines with DN. Power flow constraints are implemented to energy management formulation of each MG and DN as well. The proposed energy management problem is expressed based on stochastic linear programming. In this study, auxiliary problem principle decentralised approach is utilised to solve the optimisation problem in order to consider computer hardware limitations and privacy constraints. The recommended energy management approach has been applied to the IEEE 33-bus DN which is modified by MGs. Then, the effectiveness of providing power link between each two different MGs on the obtained profit has been evaluated under the both islanded and grid-connected modes of operation and various risk aversion parameter of entities.
机译：在基于网络的微电网（MGs）的配电系统中，能源管理问题被视为重要课题，其中每个实体都有各自的目标。在这项研究中，已经为每个MG和配电网（DN）提出了风险规避能源管理，以评估与不确定来源相关的风险。条件风险价值技术用于将利润的可变性纳入目标函数。此外，本研究调查了MG之间进行电力交易的可能性的有用性。为此，除了具有DN的电源线之外，还考虑了两个不同MG之间的独立电源线。功率流约束也适用于每个MG和DN的能源管理公式。提出的能量管理问题是基于随机线性规划表示的。在这项研究中，辅助问题原理分散方法被用来解决优化问题，以考虑计算机硬件限制和隐私限制。推荐的能源管理方法已应用于由MG修改的IEEE 33总线DN。然后，已经在孤岛和并网运行模式以及实体的各种风险规避参数下，评估了在两个不同的MG之间提供电力链接对获得的利润的有效性。

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