Implementation of minimisation techniques to construction optimisation of iron-core inductor

In this study, the authors propose a modelling algorithm of inductors that provides a powerful tool for solving a variety of engineering optimisation problems. The algorithm has been developed in accordance with desire to consolidate cost benefit, losses minimisation and inductance maximisation, and...

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Published in:IET electric power applications Vol. 10; no. 1; pp. 9 - 17
Main Authors: Nedic, Aleksandar B, Simovic, Miodrag V, Lazarevic, Zoran M, Milic, Sasa D
Format: Journal Article
Language:English
Published: The Institution of Engineering and Technology 01.01.2016
Subjects:
air‐cooled inductors
Algorithms
branch‐and‐bound approach
construction optimisation
copper fill factor
Cost engineering
current density
Design engineering
dry type double‐E iron‐core inductor
Inductance
inductor design problems
Inductors
integer programming
Mathematical models
maximum allowed induction
minimisation techniques
MISP
mixed‐integer nonlinear programming algorithm
mixed‐integer signomial programming
network frequency inductors
nonlinear mathematical model
nonlinear modelling algorithm
nonlinear programming
Nonlinearity
Optimization
temperature rise
three‐phase inductors
tree searching
copper fill factor
branch-and-bound approach
integer programming
nonlinear programming
air-cooled inductors
temperature rise
construction optimisation
current density
tree searching
mixed-integer nonlinear programming algorithm
mixed-integer signomial programming
nonlinear mathematical model
minimisation techniques
nonlinear modelling algorithm
network frequency inductors
inductors
MISP
dry type double-E iron-core inductor
maximum allowed induction
three-phase inductors
inductor design problems
ISSN:1751-8660, 1751-8679, 1751-8679
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Summary:In this study, the authors propose a modelling algorithm of inductors that provides a powerful tool for solving a variety of engineering optimisation problems. The algorithm has been developed in accordance with desire to consolidate cost benefit, losses minimisation and inductance maximisation, and finding the best manufacturing solution. A non-linear mathematical model for optimisation of three-phase, dry type double-E iron-core inductor has been presented in this study. Its purpose is to show that design of three-phase, air-cooled, network frequency inductors can be obtained using of new, adopted non-linear modelling algorithm-MISP (mixed-integer signomial programming), for minimising cost of materials (or inductor's mass) while ensuring the satisfaction of inductance value together with constraints imposed by overall measures, copper fill factor, maximum allowed induction, current density and temperature rise. The MISP is solved using branch-and-bound approach, specially implemented to inductor design problems. To confirm the result obtains by optimisation, inductor has been constructed according to the minimum loss criterion. The application is industry acceptable in cases if there are restrictions on the inductor weight. Also, where core dimensions are known, this approach can be used to design inductor by either maximising the inductance value or minimising total losses.
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SourceType-Scholarly Journals-1
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content type line 23
ISSN:1751-8660
1751-8679
1751-8679
DOI:10.1049/iet-epa.2014.0446