HS 최적화 알고리즘을 이용한 전력용 변압기의 경제적 수명평가Economic Life Assessment of Power Transformer using HS Optimization Algorithm
- Other Titles
- Economic Life Assessment of Power Transformer using HS Optimization Algorithm
- Authors
- 이태봉; 손진근
- Issue Date
- 2017
- Publisher
- 대한전기학회
- Keywords
- AM(asset management); HS(harmony search); LCC(life cycle cost) technique; Power transformer; Stochastic random search
- Citation
- 전기학회 논문지 P권, v.66, no.3, pp.123 - 128
- Journal Title
- 전기학회 논문지 P권
- Volume
- 66
- Number
- 3
- Start Page
- 123
- End Page
- 128
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/6862
- ISSN
- 1229-800x
- Abstract
- Electric utilities has been considered the necessity to introduce AM(asset management) of electric power facilities in order to reduce maintenance cost of existing facilities and to maximize profit. In order to make decisions in terms of repairs and replacements for power transformers, not only measuring by counting parts and labor costs, but comprehensive comparison including reliability and cost is needed. Therefore, this study is modeling input cost for power transformer during its entire life and also the life cycle cost (LCC) technique is applied. In particular, this paper presents an application of heuristic harmony search(HS) optimization algorithm to the convergence and the validity of economic life assessment of power transformer from LCC technique. This recently developed HS algorithm is conceptualized using the musical process of searching for a perfect state of harmony. It uses a stochastic random search instead of a gradient search so that derivative information is unnecessary. The effectiveness of the proposed identification method has been demonstrated through an economic life assessment simulation of power transformer using HS optimization algorithm.
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