Stochastic Assessment of Adequacy and Flexibility of Power Generation Systems

被引：0

作者：

Ma J. ^{[1
]}

Zhang S. ^{[1
]}

Li X. ^{[1
]}

Zhou B. ^{[1
,2
]}

机构：

[1] Shanghai Key Laboratory of Power Station Automation Technology(Shanghai University), Baoshan District, Shanghai

[2] School of Electric Power Engineering, Shanghai University of Electric Power, Yangpu District, Shanghai

来源：

Dianwang Jishu/Power System Technology | 2019年 / 43卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Generation capacity adequacy; Generation capacity flexibility; Power systems with renewable energy penetration; Probabilistic production simulation; Up/down-ward capacity shortage indexes;

D O I：

10.13335/j.1000-3673.pst.2019.1198

中图分类号：

学科分类号：

摘要：

In the power systems with renewable energy penetration, reliability of power systems and their capability of accommodating renewable energy are significantly affected by generation capacity flexibility. However, traditional generation capacity adequacy indexes cannot fully describe generation capacity reliability of these power systems. For this purpose, four indexes are defined to describe the generation capacity adequacy and flexibility, namely the up/downward capacity shortage probabilities, expected up/downward capacity shortages. Then, a stochastic assessment method of the proposed indexes are developed using probabilistic production simulation technology and applied to different time scales of chronological load. In this model, the forced outage and the maximum/minimum outputs of generation units are considered, and the up/downward ramp rates in different generation output ranges are taken into account. Thus the uncertainty of ramp rates caused by load demand and the uncertainty caused by random forced outage can be reflected. Numerical examples are presented to verify effectiveness of the proposed indexes and method. In addition, the quantitative studies on the influence of wind integration scale and time scale on the up/downward generation capacity shortage indexes are presented. © 2019, Power System Technology Press. All right reserved.

引用

页码：3867 / 3874

页数：7

共 22 条

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