Inter-basin Scheduling Method of Cascaded Hydropower Plants Considering Multi-grid Peak Shaving and Hydropower Accommodation

Ruhong ZHONG; Chuntian CHENG; Shengli LIAO; Zhipeng ZHAO; Zhanwei LIU

doi:10.7500/AEPS20200729002

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Inter-basin Scheduling Method of Cascaded Hydropower Plants Considering Multi-grid Peak Shaving and Hydropower Accommodation

Application Research | 更新时间：2025-06-16

- Inter-basin Scheduling Method of Cascaded Hydropower Plants Considering Multi-grid Peak Shaving and Hydropower Accommodation
- Automation of Electric Power Systems Vol. 45, Issue 14, Pages: 114-122(2021)
- 作者机构：
  
  大连理工大学水电与水信息研究所，辽宁省大连市 116024
- 作者简介：
- 基金信息：
  
  National Nature Science Foundation of China;Fundamental Research Funds for the Central Universities
- DOI：10.7500/AEPS20200729002
  CLC：
- Received：29 July 2020，
  
  Revised：2021-01-28，
  
  Published Online：23 April 2021，
  
  Published：25 July 2021
- 稿件说明：
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钟儒鸿,程春田,廖胜利等.兼顾多电网调峰与水电消纳的跨流域梯级水电站调度方法[J].电力系统自动化,2021,45(14):114-122.

ZHONG Ruhong,CHENG Chuntian,LIAO Shengli,et al.Inter-basin Scheduling Method of Cascaded Hydropower Plants Considering Multi-grid Peak Shaving and Hydropower Accommodation[J].Automation of Electric Power Systems,2021,45(14):114-122.
钟儒鸿,程春田,廖胜利等.兼顾多电网调峰与水电消纳的跨流域梯级水电站调度方法[J].电力系统自动化,2021,45(14):114-122. DOI： 10.7500/AEPS20200729002.

ZHONG Ruhong,CHENG Chuntian,LIAO Shengli,et al.Inter-basin Scheduling Method of Cascaded Hydropower Plants Considering Multi-grid Peak Shaving and Hydropower Accommodation[J].Automation of Electric Power Systems,2021,45(14):114-122. DOI： 10.7500/AEPS20200729002.

摘要

中国云南省的电源结构以水电为主，水电消纳问题异常突出，且云南水电外送的受端调峰压力巨大。为充分挖掘云南电网“西电东送”通道潜力，最大限度消纳云南水电，同时响应多电网的调峰需求，文中构建了兼顾多电网调峰与水电消纳的跨流域梯级水电站调度的混合整数线性规划模型。模型采用目标权重法将多电网调峰问题转化成单目标问题，并通过调整各电网余荷距平绝对值的平均值权重，使得目标兼顾了多电网的调峰需求与水电消纳。同时，通过引入特殊顺序集约束，对最小持续时间约束提出了一种简易的线性化方法，此方法可应用于其他同类型的约束中。最后，以澜沧江干流与金沙江干流的18座水电站为例，验证了模型的可行性与有效性，结果表明所提方法可满足多电网调峰与水电消纳的需求。

Abstract

The power structure of Yunnan Province in China is dominated by hydropower

and the problem of hydropower accomodation is extremely prominent. In addition

the peak shaving in receiving-end of Yunnan hydropower transmission is under great pressure. In order to fully tap the potential of power transmission lines from the west to the east in Yunnan power grid

maximize the accomodation of Yunnan hydropower and respond to the peak shaving demand of multiple power grids

this paper constructs a mixed-integer linear programming model for the inter-basin scheduling of cascaded hydropower plants

which takes into account multi-grid peak shaving and hydropower accomodation. The model uses the target weight method to transform the multi-grid peak shaving problem into a single target problem. By adjusting the weight corresponding to the average value of the absolute value of the residual load anomaly for each power grid

the target meets the demands of peak shaving among multiple power grids and hydropower accomodation. Meanwhile

by introducing the special order set constraint

an simple linearization method for the minimum duration time constraint is introduced. The method can be applied to other constraints with the same type. Finally

taking 18 hydropower plants on the main stream of the Lancang River and the Jinsha River as examples

the feasibility and effectiveness of the model are verified. The results show that the proposed method can meet the needs of multi-grid peak shaving and hydropower accomodation.

关键词

Keywords

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