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Electrical Insulation Magazine, IEEE

Issue 3 • Date May-June 2011

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Displaying Results 1 - 21 of 21
  • IEEE Electrical Insulation Magazine

    Publication Year: 2011 , Page(s): c1
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  • IEEE Electrical Insulation Magazine

    Publication Year: 2011 , Page(s): 3
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  • Author's Guide

    Publication Year: 2011 , Page(s): 4
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  • Advertisement - DOW

    Publication Year: 2011 , Page(s): 5
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  • Editorial

    Publication Year: 2011 , Page(s): 6
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  • From the editor's desk

    Publication Year: 2011 , Page(s): 7 - 8
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  • Letters to the editor

    Publication Year: 2011 , Page(s): 9 - 13
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  • Lifetime evaluation of class E electrical insulation for small induction motors

    Publication Year: 2011 , Page(s): 14 - 19
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1534 KB) |  | HTML iconHTML  

    Accelerated aging tests for induction motors with class E electrical insulation were conducted. The testing period exceeded one year and involved elevated temperatures, vibration, humidity, and voltage application. The activation energy of the aging process was estimated to be 0.72 ± 0.08 eV. View full abstract»

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  • Estimation of dielectric loss using damped AC voltages

    Publication Year: 2011 , Page(s): 20 - 25
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1473 KB) |  | HTML iconHTML  

    In this article some fundamental aspects of dielectric loss estimation using DAC voltage are described. Damped ac voltage testing is an alternative method of continuous ac voltage testing. It provides a method of assessing the condition of the insulation of capacitive test objects, e.g., power cables or stator windings of generators. The decay of damped ac voltages used for on-site energizing of p... View full abstract»

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  • Terahertz spectroscopy as a new tool for insulating material analysis and condition monitoring

    Publication Year: 2011 , Page(s): 26 - 35
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (3044 KB) |  | HTML iconHTML  

    Spectroscopic and imaging analyses using electromagnetic waves in the far IR or submillimeter region [0.1-20 terahertz (THz)] are emerging technologies in the field of optics research. Thanks to recent advances in related science and technology [l]-[6], it has been proposed that THz technology be applied in many fields such as early diagnosis of cancer, detection of counterfeit bills, and moisture... View full abstract»

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  • Partial discharge test circuit as a spark-gap transmitter

    Publication Year: 2011 , Page(s): 36 - 44
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1461 KB) |  | HTML iconHTML  

    This paper shows the arrangement of a partial discharge test circuit can influence the pulse shape, particularly in the laboratory setting. The key circuit parameters and their effect on partial discharge pulse signatures are identified. View full abstract»

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  • Remaining lifetime modeling of power transformers: individual assets and fleets

    Publication Year: 2011 , Page(s): 45 - 51
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (808 KB) |  | HTML iconHTML  

    Uncertainty analysis is an essential part of models that estimate remaining lifetimes of power transformers. Uncertainty can be included in modeling the insulation aging process. If the uncertainty becomes too large, the insulation condition can, in principle, be determined by measuring the DP value, and more accurate projections can then be made. A drawback of the model presented here is the requ... View full abstract»

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  • Industry news

    Publication Year: 2011 , Page(s): 52 - 53
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  • 2011 Golden Omega Award

    Publication Year: 2011 , Page(s): 54
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  • News from Japan

    Publication Year: 2011 , Page(s): 55 - 57
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  • Book Reviews [8 book reviews]

    Publication Year: 2011 , Page(s): 58 - 62
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  • IEEE media advertising sales offices

    Publication Year: 2011 , Page(s): 63
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  • Calendar

    Publication Year: 2011 , Page(s): 64
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  • IEEE Electrical Insulation Magazine

    Publication Year: 2011 , Page(s): c1 - c2
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  • DEIS Videotapes

    Publication Year: 2011 , Page(s): c2
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  • DEIS website

    Publication Year: 2011 , Page(s): c3
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Aims & Scope

The EI Magazine is specifically concerned with publishing articles in the development and characterization of the dielectric, chemical, mechanical, and environmental properties of all vacuum, gaseous, liquid, and solid electrical insulation, and with utilization of these materials in circuits and systems under conditions of use.

Full Aims & Scope

Meet Our Editors

Co-Editor-in-Chief
Edward Cherney

Co-Editor-in-Chief
Robert Fleming