Nonlinear Medium-Term Hydro-Thermal Scheduling With Transmission Constraints

被引：37

作者：

Martins, L. S. A. ^{[1
]}

Azevedo, A. T. ^{[1
]}

Soares, S. ^{[1
]}

机构：

[1] Univ Estadual Campinas, Sch Elect & Comp Engn, Campinas, SP, Brazil

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2014年 / 29卷 / 04期

基金：

巴西圣保罗研究基金会;

关键词：

Hydroelectric-thermal power generation; nonlinear programming; power generation dispatch; ACTIVE POWER DISPATCH; INTERIOR-POINT METHOD; NETWORK FLOW MODEL; LONG-TERM; OPTIMAL OPERATION; STOCHASTIC OPTIMIZATION; MULTIRESERVOIR SYSTEMS; ALGORITHM; IMPLEMENTATION; COORDINATION;

D O I：

10.1109/TPWRS.2013.2296439

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a nonlinear model for medium-term hydro-thermal scheduling problems with transmission constraints is presented. A nonlinear formulation of hydro power production functions of discharge and storage is used for proper representation of head variation in cascaded reservoirs. Transmission networks are formulated as a direct-current power flow model with support to load attainment over multiple levels representing peak and off-peak hours, enabling varying degrees of both network topology and load balance nodes representation over time stages. Sparse matrix structures that arise from the mathematical formulation allow fast decoupled computation of search directions in a primal-dual interior-point framework. Computational tests with very large case studies are presented. Analysis of numerical algorithm convergence is provided along with insightful optimal solution interpretative commentary.

引用

页码：1623 / 1633

页数：11

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