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Optimal operation of integrated energy system considering dynamic heat-gas characteristics and uncertain wind power

机译：考虑动态热气特性和不确定风能的综合能源系统的最优运行

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摘要

Natural gas and heating water transmission systems operate at slower rates than electric power, making resource cooperation in integrated energy systems (IESs) difficult. Moreover, large-scale fluctuating wind power integrated into IESs further complicates the coordination of each system. Therefore, to coordinate electric power, gas, and heating systems featuring different time scales, an optimal scheduling model for IESs considering the dynamic characteristics and uncertainty of wind power is proposed to improve the economy and security of IESs. First, conditional value-at-risk is introduced to quantitatively evaluate the wind power uncertainty. Then, heat-gas dynamic characteristics with different inertia time constants are coordinated to establish the optimal operation model of IESs with uncertain wind power. Finally, case studies based on a modified simulation system are conducted to demonstrate the efficiency of the proposed method for improving the flexibility and economy of IES operation.
机译：天然气和热水输送系统的运行速度比电力运行速度慢，这使得集成能源系统（IESs）中的资源合作变得困难。而且，集成到IES中的大规模波动风能进一步使每个系统的协调变得复杂。因此，为了协调具有不同时标的电力，燃气和供热系统，提出了一种考虑风电的动态特性和不确定性的最优IES调度模型，以提高IES的经济性和安全性。首先，引入条件风险值以定量评估风能不确定性。然后，协调具有不同惯性时间常数的热气动力学特性，以建立具有不确定风能的IES的最优运行模型。最后，基于改进的仿真系统进行了案例研究，以证明所提方法在提高IES操作的灵活性和经济性方面的有效性。

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