International Journal of Energy and Power Engineering

Special Issue

Numerical Analysis, Material Modeling and Validation for Magnetic Losses in Electromagnetic Devices

  • Submission Deadline: 20 December 2015
  • Status: Submission Closed
  • Lead Guest Editor: Zhiguang Cheng
About This Special Issue
(1). Academic and industry background, and purpose of the special issue
Along with the voltage and capacity of the power transmission and transformation equipment rose to the highest level in the world, the modeling and prediction of the magnetic losses inside magnetic components under extreme excitation in large electromagnetic devices, are increasingly of interest, comparing with low voltage and capacity of equipment.
Most of the material property data used in industry application are usually measured at the specified standard conditions, which are considerably different from that obtained under the practical working conditions. However all the accurate and effective analysis need such working property data’s support. Therefore, the combination of advanced material property modeling and efficient industrial application is really important.

(2). Numerical modeling and magnetic property measurement
The numerical modeling and simulation of the magnetic losses in large electromagnetic device is quite challenging due to complicated 3-D structure with multi-scale, multi-material and multi-physics coupling. The electromagnetic properties of both the material and the components have to be measured under various working conditions, even some extreme excitations.
This part of the special issue focuses on electromagnetic property measurements and efficient numerical modeling under various conditions based on the upgraded benchmark models and industry-level models, recently done by the authors.

(3). Engineering-oriented validation based on benchmark and industry models
In order to validate the numerical modeling, a series of benchmark problems have been established by the international Compumag Society and widely applied in the computational electromagnetics community. Problem 21, as an engineering-oriented loss model was proposed by the authors, and the Problem 21-based benchmarking activities have been extended continuously for many years.
This part of the special issue is to emphasize that the benchmarking activities should be further enhanced for the modeling and simulation under extreme excitations, encountered in today’s large electromagnetic devices in electrical engineering, and present the recent research works done by the authors.
Note that (2) and (3) will contain articles to be submitted.

Aims and Scope:

1. Electromagnetic analysis
2. Magnetic loss
3. Nonlinear and hysteresis behavior
4. Engineering-oriented benchmarking
5. Effect of excitation pattern and B-H property variation
6. 3-D Finite element simulations
7. Magnetic material and component
8. Magnetic property modeling under multi-harmonic and/or DC-biasing conditions
9. Modeling and simulation under extreme excitations
Lead Guest Editor

  • Zhiguang Cheng

    Baobian Institute of Transmission and Transformation Technology, Baoding, China

Guest Editors

  • Xiaojun Zhao

    Department of Electrical Engineering, North China Electric Power University, Baoding, China

  • Dexin Xie

    School of Electrical Engineering, Shenyang University of Technology, Shenyang, China

  • Yang Liu

    State Grid Smart Grid Research Institute, Beijing, China

  • Xiaoyan Wang

    National Engineering Research Center for Silicon Steel, Wuhan, China

  • Weiying Zheng

    Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China

  • Xue Jiang

    School of Science, Beijing University of Posts and Telecommunications, Beijing, China

  • Lin Li

    School of Electrical and Electronic Engineering, North China Electric Power University, Beijing, China

  • Yong Du

    The Electrical Engineering Department, Hebei University of Engineering, Handan, China

Published Articles

  • Summary of the Special Issue “Numerical Analysis, Material Modeling and Validation for Magnetic Losses in Electromagnetic Devices”

    Zhiguang Cheng

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 75-77
    Received: 14 December 2015
    Accepted: 16 December 2015
    Published: 27 January 2016
    DOI: 10.11648/j.ijepe.s.2016050101.21
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  • Research on Magnetostriction Property of Silicon Steel Sheets

    Yanli Zhang , Yuandi Wang , Dianhai Zhang , Ziyan Ren , Dexin Xie

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 65-74
    Received: 30 November 2015
    Accepted: 1 December 2015
    Published: 17 December 2015
    DOI: 10.11648/j.ijepe.s.2016050101.20
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    Abstract: When electrical devices such as electrical machines and transformers are in operation, the magnetostriction of the silicon steel sheets results in the deformation of the laminated iron core, which aggravates the vibration and noise of the iron core. Therefore, it is of significance to study the relationship between the magnetostrictive effect and e... Show More
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  • FEMAG: A High Performance Parallel Finite Element Toolbox for Electromagnetic Computations

    Tao Cui , Xue Jiang , Weiying Zheng

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 57-64
    Received: 9 November 2015
    Accepted: 9 November 2015
    Published: 30 November 2015
    DOI: 10.11648/j.ijepe.s.2016050101.19
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    Abstract: This paper presents a parallel finite element toolbox for computing large electromagnetic devices on unstructured tetrahedral meshes, FEMAG—Fem for ElectroMagnetics on Adaptive Grids. The finite element toolbox deals with unstructured tetrahedral meshes and can solve electromagnetic eddy current problems in both frequency domain and time domain. It... Show More
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  • Loss Calculation and Optimization Design of High Frequency Transformer

    Lin Li , Keke Liu , Xiaoying Zhang , Ning Zhang

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 53-56
    Received: 21 October 2015
    Accepted: 22 October 2015
    Published: 30 November 2015
    DOI: 10.11648/j.ijepe.s.2016050101.18
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    Abstract: In this paper, the magnetization and loss properties are analyzed and compared of topical magnetic materials. The calculation methods are studied for the losses of the core and windings of the High Frequency Transformer (HFT). Based on the evaluation of the temperature increment, an optimization method is presented for the design of HFT. Finally, t... Show More
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  • Modeling and Analysis of Leakage Flux and Iron Loss Inside Silicon Steel Laminations

    Yong Du , Wanqun Zheng , Jingjun Zhang

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 48-52
    Received: 21 October 2015
    Accepted: 22 October 2015
    Published: 10 November 2015
    DOI: 10.11648/j.ijepe.s.2016050101.17
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    Abstract: This paper investigates the leakage flux and the iron loss generated in the laminated silicon sheets of the core or the magnetic shields of large power transformers. A verification model is well established, and proposed parabolic model (non-saturated region) and hybrid model (saturation region) to simulate the magnetic properties of the silicon st... Show More
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  • Effect of Controllable Distorted Flux on Magnetic Loss inside Laminated Core

    Yang Liu , Guang Ma , Yana Fan , Tao Liu , Lanrong Liu , Chongyou Jing

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 42-47
    Received: 9 October 2015
    Accepted: 9 October 2015
    Published: 25 October 2015
    DOI: 10.11648/j.ijepe.s.2016050101.16
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    Abstract: This paper investigates the magnetic properties of grain oriented electrical steel under the controllable distorted flux conditions based on a product-level core model, and examines the effects of the distorted flux on magnetic loss inside the laminated cores with different excitation conditions, involving different harmonic phase difference, harmo... Show More
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  • Fixed-Point Harmonic-Balanced Method for Nonlinear Eddy Current Problems

    Xiaojun Zhao , Yuting Zhong , Dawei Guan , Fanhui Meng , Zhiguang Cheng

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 37-41
    Received: 21 September 2015
    Accepted: 21 September 2015
    Published: 15 October 2015
    DOI: 10.11648/j.ijepe.s.2016050101.15
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    Abstract: A new method to optimally determine the fixed-point reluctivity is presented to ensure the stable and fast convergence of harmonic solutions. Nonlinear system matrix is linearized by using the fixed-point technique, and harmonic solutions can be decoupled by the diagonal reluctivity matrix. The 1-D and 2-D non-linear eddy current problems under DC-... Show More
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  • Computation and Analysis of the DC-Biasing Magnetic Field by the Harmonic-Balanced Finite-Element Method

    Xiaojun Zhao , Dawei Guan , Fanhui Meng , Yuting Zhong , Zhiguang Cheng

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 31-36
    Received: 21 September 2015
    Accepted: 21 September 2015
    Published: 12 October 2015
    DOI: 10.11648/j.ijepe.s.2016050101.14
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    Abstract: This paper sought to present harmonic-balanced method for finite element analysis of nonlinear eddy current field. The harmonic-balanced method can be used to compute the time-periodic electromagnetic field in harmonic domain, considering electric circuits coupled with the nonlinear magnetic field. 2-D and simplified 3-D model of laminated core is ... Show More
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  • Magnetic Loss Inside Solid and Laminated Components under Extreme Excitations

    Zhiguang Cheng , Behzad Forghani , Yang Liu , Yana Fan , Tao Liu , Zhigang Zhao

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 21-30
    Received: 24 August 2015
    Accepted: 25 August 2015
    Published: 29 September 2015
    DOI: 10.11648/j.ijepe.s.2016050101.13
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    Abstract: The modeling and numerical analysis of the magnetic loss inside components under multi-harmonic and/or DC-biasing excitations are increasingly of concern in large and special electromagnetic devices. This paper aims to investigate efficient and reliable approaches to determine the magnetic losses inside both the solid and laminated components under... Show More
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  • Finding Better Solutions to Reduce Computational Effort of Large-Scale Engineering Eddy Current Fields

    Dexin Xie , Zhanxin Zhu , Dongyang Wu , Jian Wang

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 12-20
    Received: 10 September 2015
    Accepted: 11 September 2015
    Published: 28 September 2015
    DOI: 10.11648/j.ijepe.s.2016050101.12
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    Abstract: In the finite element analysis of the engineering eddy current fields in electrical machines and transformers there are the problems such as the huge scale of computation, too long computing time and poor precision which could not meet the demand of engineering accuracy. The current research situation and difficulties of these problems are analyzed... Show More
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  • Extended P21-Based Benchmarking

    Zhiguang Cheng , Behzad Forghani , Tao Liu , Yana Fan , Lanrong Liu

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 1-11
    Received: 24 August 2015
    Accepted: 25 August 2015
    Published: 28 September 2015
    DOI: 10.11648/j.ijepe.s.2016050101.11
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    Abstract: This paper highlights two important aspects of the electromagnetic field modeling and simulation when used for industrial applications, namely the application based benchmarking activities and the magnetic material modeling. It emphasizes the relationship between the two, and briefly reviews the recent progress in extending the TEAM (Testing Electr... Show More
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