Application of Ordinal Optimization to Reactive Volt-Ampere Sources Planning Problems

Wen-Tung Lee, Shih-Cheng Horng and Chi-Fang Lin
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Wen-Tung Lee: Department of Computer Science & Information Engineering, Yuan Ze University, Taoyuan City 32003, Taiwan
Shih-Cheng Horng: Department of Computer Science & Information Engineering, Chaoyang University of Technology, Taichung City 41349, Taiwan
Chi-Fang Lin: Department of Computer Science & Information Engineering, Yuan Ze University, Taoyuan City 32003, Taiwan

Energies, 2019, vol. 12, issue 14, 1-16

Abstract: Reactive volt-ampere sources planning is an effort to determine the most effective investment plan for new reactive sources at given load buses while ensuring appropriate voltage profile and satisfying operational constraints. Optimization of reactive volt-ampere sources planning is not only a difficult problem in power systems, but also a large-dimension constrained optimization problem. In this paper, an ordinal optimization-based approach containing upper and lower level is developed to solve this problem efficiently. In the upper level, an ordinal search (OS) algorithm is utilized to select excellent designs from a candidate-design set according to the system’s structural information exploited from the simulations executed in the lower level. There are five stages in the ordinal search algorithm, which gradually narrow the design space to search for a good capacitor placement pattern. The IEEE 118-bus and IEEE 244-bus systems with four load cases are employed as the test examples. The proposed approach is compared with two competing methods; the genetic algorithm and Tabu search, and a commercial numerical libraries (NL) mixed integer programming tool; IMSL Numerical Libraries. Experimental results illustrate that the proposed approach yields an outstanding design with a higher quality and efficiency for solving reactive volt-ampere sources planning problem.

Keywords: reactive volt-ampere; sources planning; ordinal optimization; simulation optimization; ordinal search; outage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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