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Stochastic network investment in integrated gas-electric systems

机译:集成气体系统的随机网络投资

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摘要

Power and gas systems are large interdependent infrastructures because of gas-fired power production facilities. This study presents a transmission expansion planning model considering the interaction between power and gas markets in a bi-level structure. The transmission investment decisions are made in the upper level power market problem considering the construction and operating costs. The lower level problem clears the gas market and determines demand and supply quantities of gas-fired units and of gas wells using a mixed integer linear program. The uncertainty of gas and power demands in both markets are considered using a scenario-based approach. A stochastic bilevel mixed integer optimization program is thus developed which is computed in an exact fashion by applying a customized reformulation-decomposition method. An example system and a test system are provided to illustrate the application of the proposed scheme.
机译:由于燃气电源生产设施,电力和天然气系统是大型相互依存的基础设施。 本研究提出了考虑到双层结构中电力和天然气市场之间的相互作用的传输扩展规划模型。 考虑到施工和运营成本,在上层电力市场问题中进行了传输投资决策。 较低水平的问题清除了天然气市场,并使用混合整数线性程序确定了燃气单元和气井的需求和供应量。 使用基于场景的方法考虑两个市场中的气体和功率需求的不确定性。 因此,通过应用定制的重构 - 分解方法,以精确的方式开发了一种随机双脚混合整数优化节目。 提供示例系统和测试系统以说明所提出的方案的应用。

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