NDLI: Power transformer optimal design using an innovative heuristic algorithm combined with mixed-integer non-linear programming and FEM technique

Content Provider	IET Digital Library
Author	Yadollahi, Milad Lesani, Hamid
Abstract	Power transformer optimal design (PTOD) is a complex multi-objective optimisation problem. Due to large variables search space, most optimisation methods proposed in literature for PTOD are prone to find local minimum instead of the global one. To prevail over the aforementioned problem, this study aims to propose a new heuristic algorithm combined with mixed-integer non-linear programming (MINLP), and also, some modifications to conventional PTOD procedure. Some promising features of the proposed method in comparison to the previously proposed methods are (i) it considers more design variables as a gene for transformer constructing chromosome (TCC), (ii) before building the main TCC, it divides the PTOD algorithm into some sub-algorithms and starts to construct some sub-chromosomes with lower number of genes as parts of the main TCC, which allows us to detect improper genes based on a sensitivity analysis and design constraints, (iii) not only it considers technical and consumer constrains, but it also take manufacturing constraints into account, (iv) MINLP is used to find global optimum point, and (v) the validity of obtained optimal solution is further assessed by presenting comprehensive finite-element method (FEM) and experimental result.
Starting Page	3359
Ending Page	3370
Page Count	12
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 13, Sep (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.0151
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-04-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Combinatorial Mathematics Complex Multiobjective Optimisation Problem Design Constraint FEM Technique Finite Element Analysis Finite Element Method Global Optimum Point Innovative Heuristic Algorithm Integer Programming Large Variable Search Space Local Minimum Manufacturing Constraint MINLP Mixed-integer Nonlinear Programming Nonlinear Programming Optimisation Technique Power Transformer Power Transformer Optimal Design PTOD Algorithm Search Problem Sensitivity Analysis TCC Transformer And Reactors Transformer Constructing Chromosome
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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