计及爬坡场景覆盖的高比例新能源电网平衡策略研究

doi:10.19595/j.cnki.1000-6753.tces.210815

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Abstract As a high proportion of renewable energy is connected to the power grid, the system is faced with new challenges in terms of security and reliability, and the related research on improving the intraday balanced resource allocation scheme to increase the operational flexibility of system has attracted extensive attention. Based on the existing day-ahead scheduling results, this paper focuses on the schedulability of flexibility reserve results for the intra-day 2h scale, which determines the fast-start unit startup and shutdown schedule and output and flexibility reserve results of various flexible resources, the scenario coverage index is established to evaluate the schedulability of flexible resource scheduling results at real time scale. Furthermore, a high proportion renewable energy intra-day balance scheduling model with intra-day climbing scenario coverage is constructed. The results of case study illustrate the intra-day balance strategy proposed in this paper makes the reservation of flexibility resources measurable, improves the flexibility of the system, and reduces the probability of wind curtailment/load shedding issues because it takes into account the unit's climbing characteristics more accurately.

Key words： Flexibility source-load interaction intra-day scheduling high proportion of renewable energy

Received: 07 June 2021

PACS:

TM73

Fund:国网公司科技项目资助（支持发电负荷双侧报价的省级日前电力现货市场优化出清技术研究与开发）

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	Kang Lijun
	Wang Beibei
	Xue Bike
	Feng Shuhai

Cite this article:

Kang Lijun,Wang Beibei,Xue Bike等. Research on the Balance Strategy for Power Grid with High Proportion Renewable Energy Considering the Ramping Scenario Coverage[J]. Transactions of China Electrotechnical Society, 2022, 37(13): 3275-3288.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210815 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I13/3275

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