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首页> 外文期刊>Electric power systems research >Comparative Time-of-Use and wholesale electricity price-based scheduling in embedded power and natural gas distribution grids penetrated with large renewable generation
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Comparative Time-of-Use and wholesale electricity price-based scheduling in embedded power and natural gas distribution grids penetrated with large renewable generation

机译：嵌入式电力和天然气配电网中使用大量可再生能源的比较使用时间和基于批发电价的调度

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The sporadic availability of renewable generation can pose serious challenges to the distribution system operator especially under large penetration. Power-to-gas (PtG) units can be proliferated across the power and gas distribution grids to deal with the surplus renewable power by converting that into synthetic natural gas. The existing gas-to-power (GtP) facilities in addition to the emerging PtG units can fully integrate the power and gas distribution grids. In addition, policy makers and regulatory bodies in today's deregulated markets are now relying on private sectors to invest on, own, and operate such facilities. As private investors, PtG and GtP units operators need to know which of the aforementioned scheduling approaches are more profitable; i.e., trading with local distribution companies at Time-of-Use (ToU) rates or with the wholesale market at real-time (RT) prices. This paper proposes an optimization-based model for the joint scheduling of PtG and GtP units in a constrained integrated power and gas grid under large renewable power generations. The numerical studies are conducted to evaluate the performance of the model on test systems using real-world operational data. The paper presents comparative ToU and wholesale price-based scheduling from the economic perspectives in different scenarios. The individual and joint operation of the PtG and GtP units are evaluated under both the ToU and wholesale electricity prices. Multiple operational scenarios are created to comparatively evaluate the operation of the model under the two aforementioned scheduling approaches.
机译：可再生能源的零星可用性会给配电系统运营商带来严峻的挑战，尤其是在大范围渗透的情况下。电力到天然气（PtG）单元可以在电力和天然气分配网格中扩散，以通过将多余的可再生能源转化为合成天然气来对其进行处理。除新兴的PtG装置外，现有的燃气发电（GtP）设施还可以完全集成电力和燃气配电网。此外，当今放松管制的市场中的决策者和监管机构现在依靠私营部门来投资，拥有和运营此类设施。作为私人投资者，PtG和GtP单位运营商需要了解上述哪种调度方法更有利可图；即以使用时间（ToU）的价格与本地分销公司进行交易，或以实时（RT）的价格与批发市场进行交易。本文提出了一种基于优化的大型可再生能源发电并网约束的PtG和GtP机组联合调度模型。进行了数值研究，以使用实际操作数据评估模型在测试系统上的性能。本文从经济角度出发，介绍了在不同情况下基于ToU和批发价格的比较计划。 PtG和GtP单元的单独和联合运行将根据使用电价和批发电价进行评估。创建了多个操作方案以比较评估上述两种调度方法下的模型操作。

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