Benefit Assessment of Decentralized Transfer of Contingency Reserve

Jucheng XIAO; Guangyu HE; Siyuan ZHANG; Zhihua WANG; Naichao CHANG; Qiang LU

doi:10.7500/AEPS20191027004

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Benefit Assessment of Decentralized Transfer of Contingency Reserve

Basic Research | 更新时间：2025-06-16

- Benefit Assessment of Decentralized Transfer of Contingency Reserve
- Automation of Electric Power Systems Vol. 44, Issue 13, Pages: 9-16(2020)
- 作者机构：
  
  1. 电力传输与功率变换教育部重点实验室(上海交通大学)，上海市 200240
  2. 国网湖南省电力有限公司电力调度控制中心，湖南省长沙市 410004
  3. 国网上海市电力公司电力调度控制中心，上海市 200122
  4. 国家电网有限公司国家电力调度控制中心，北京市 100031
  5. 电力系统及发电设备控制和仿真国家重点实验室(清华大学)，北京市 100084
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China
- DOI：10.7500/AEPS20191027004
  CLC：
- Received：27 October 2019，
  
  Revised：2020-03-04，
  
  Published Online：16 April 2020，
  
  Published：10 July 2020
- 稿件说明：
移动端阅览
肖居承,何光宇,张思远等.事故备用分散转移的效益评估[J].电力系统自动化,2020,44(13):9-16.

XIAO Jucheng,HE Guangyu,ZHANG Siyuan,et al.Benefit Assessment of Decentralized Transfer of Contingency Reserve[J].Automation of Electric Power Systems,2020,44(13):9-16.
肖居承,何光宇,张思远等.事故备用分散转移的效益评估[J].电力系统自动化,2020,44(13):9-16. DOI： 10.7500/AEPS20191027004.

XIAO Jucheng,HE Guangyu,ZHANG Siyuan,et al.Benefit Assessment of Decentralized Transfer of Contingency Reserve[J].Automation of Electric Power Systems,2020,44(13):9-16. DOI： 10.7500/AEPS20191027004.

摘要

由于可再生能源装机比例增大，传统机组预留大量事故备用，运行经济性显著降低。为此，首先提出了事故备用分散转移(DTCR)的概念：将原本集中在发电侧和电网侧的部分事故备用向用电侧分散转移。然后，提出了DTCR的效益评估方法和参考指标：观测到DTCR的边际效益递减现象可作为选取合理分散备用容量的参考；提出经济负载率阈值，可用于定量评估产生DTCR效益的经济负载率区间。最后，结合14节点至300节点等5个IEEE标准系统，并计及风机和需求响应的影响，分析了DTCR的效益大小、产生机理、影响因素和适用场景。结果表明，DTCR能够在日常调度中持续产生经济效益，优化潮流分布和降低网损。

Abstract

Due to the increasing proportion of the installed renewable energy capacity

conventional generation units have to keep massive contingency reserves

which leads to poor economy of unit operation. To solve this issue

this paper proposes the concept of decentralized transfer of contingency reserve (DTCR)

which refers to transferring part of the centralized contingency reserve from the supply side to the demand side. Then

the benefit assessment method and reference indicators of DTCR are proposed. The observed diminishing marginal benefit (DMB) of DTCR serves as a reference to select a reasonable capacity of decentralized reserve. The economic load rate threshold (ELRT) is proposed to quantitatively assess the economic load rate range of producing DTCR benefits. Finally

the benefit

its mechanism

impact factors and application scenarios of DTCR are analyzed using 5 IEEE standard systems with 14 buses to 300 buses and considering wind power generators and demand response. Results indicate that the proposed DTCR system can continuously generate economic benefits

optimize power flow distribution

and reduce network loss in daily dispatching.

关键词

Keywords

references

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