Research on the Balance Strategy for Power Grid with High Proportion Renewable Energy Considering the Ramping Scenario Coverage

被引：0
|
作者：
Kang L. [1 ]
Wang B. [1 ]
Xue B. [2 ]
Feng S. [2 ]
机构：
[1] School of Electrical Engineering, Southeast University, Nanjing
[2] China Electric Power Research Institute, Nanjing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2022年 / 37卷 / 13期
关键词：
Flexibility; high proportion of renewable energy; intra-day scheduling; source-load interaction;
D O I：
10.19595/j.cnki.1000-6753.tces.210815
中图分类号：
学科分类号：
摘要：
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. © 2022 Chinese Machine Press. All rights reserved.
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页码：3275 / 3288
页数：13
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