A Lagrangian multiplier based sensitive index to determine the unit commitment of thermal units

被引：22

作者：

Silva, Ivo C., Jr. ^{[2
]}

Carneiro, Sandoval, Jr. ^{[2
]}

de Oliveira, Edimar J. ^{[1
]}

Pereira, J. L. R. ^{[1
]}

Garcia, Paulo A. N. ^{[1
]}

Marcato, Andre L. M. ^{[1
]}

机构：

[1] Fed Univ Juiz Fora UFJF, Dept Elect Engn, Juiz De Fora, MC, Brazil

[2] Univ Fed Rio de Janeiro, Dept Elect Engn, Rio De Janeiro, RJ, Brazil

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2008年 / 30卷 / 09期

关键词：

Lagrangian coefficients; Sigmoid function; Interior-point; Priority list; Unit commitment;

D O I：

10.1016/j.ijepes.2008.04.004

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：

This paper proposes the utilization of a new sensitivity index to organize a priority list for the solution of the unit commitment problem. The discrete nature of the operational decisions is mitigated through a continuous function. The new index is derived from Lagrangian multipliers and the nonlinear optimization problem is solved using optimum power flow (OPF) formulation based on the primal-dual interior point method. The priority list is obtained as a by-product of the Lagrangian multipliers associated with the ON-OFF decision. The efficiency of the proposed methodology is demonstrated through several tests. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：504 / 510

页数：7

共 35 条

[1]

[Anonymous], IEEE PES SUMM M

[2] UNIT COMMITMENT IN A LARGE-SCALE POWER-SYSTEM INCLUDING FUEL CONSTRAINED THERMAL AND PUMPED-STORAGE HYDRO [J].

AOKI, K ;

SATOH, T ;

ITOH, M ;

ICHIMORI, T ;

MASEGI, K .

IEEE TRANSACTIONS ON POWER SYSTEMS, 1987, 2 (04) :1077-1084

[3] Unit commitment by Lagrangian relaxation and genetic algorithms [J].

Cheng, CP ;

Liu, CW ;

Liu, GC .

IEEE TRANSACTIONS ON POWER SYSTEMS, 2000, 15 (02) :707-714

[4]

Christober C, 2002, IEE CONF PUBL, P180, DOI 10.1049/cp:20020031

[5] A solution to the unit-commitment problem using integer-coded genetic algorithm [J].

Damousis, IG ;

Bakirtzis, AG ;

Dokopoulos, PS .

IEEE TRANSACTIONS ON POWER SYSTEMS, 2004, 19 (02) :1165-1172

[6]

DIEU VN, 2007, ELECT POWER ENERGY S

[7]

GOMES, 2005, IEEE PES GEN M SAN F, V1, P1

[8] A new thermal unit commitment approach using constraint logic programming [J].

Huang, KY ;

Yang, HT ;

Huang, CL .

IEEE TRANSACTIONS ON POWER SYSTEMS, 1998, 13 (03) :936-945

[9] Application of genetic-based neural networks to thermal unit commitment [J].

Huang, SJ ;

Huang, CL .

IEEE TRANSACTIONS ON POWER SYSTEMS, 1997, 12 (02) :654-660

[10] An evolutionary programming solution to the unit commitment problem [J].

Juste, KA ;

Kita, H ;

Tanaka, E ;

Hasegawa, J .

IEEE TRANSACTIONS ON POWER SYSTEMS, 1999, 14 (04) :1452-1459

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