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IEEE Electrical Insulation Magazine

Issue 6 • Date November-December 2011

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Displaying Results 1 - 19 of 19
  • Table of contents

    Publication Year: 2011, Page(s): 1
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  • IEEE Electrical Insulation Magazine

    Publication Year: 2011, Page(s): 3
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  • Editorial

    Publication Year: 2011, Page(s): 4
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  • From the Editors' Desk

    Publication Year: 2011, Page(s):6 - 7
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  • Partial discharge influence on dissipation factor values during stator-bar testing

    Publication Year: 2011, Page(s):8 - 14
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2730 KB) | HTML iconHTML

    The article investigates how partial discharge activity can influence dissipation factor values in stator-bar testing. In this study, the PD phenomenon was simulated as a process composed of periodic positive and negative bursts of PD pulses over a period T of the applied voltage (frequency = 50 Hz, T 20 ms in this work). These periodic pulses generate a frequency spectrum whose fundamental freque... View full abstract»

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  • Power transformer end-of-life assessment-pracana case study*

    Publication Year: 2011, Page(s):15 - 26
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2315 KB) | HTML iconHTML

    Rede Electrica Nacional (REN) is the operator of the Portuguese National Electricity Transmission Grid (RNT), which currently has about 170 large power transformers and autotransformers on the 400-, 220-, and 150-kV networks. Rede El┬┐┬┐ctrica Nacional's network expansion and reinforcement program over the last few years has resulted in a significant increase in the number of installed units, number... View full abstract»

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  • On-load tap changer diagnosis-an off-line method for detecting degradation and defects: part 2

    Publication Year: 2011, Page(s):27 - 36
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1717 KB) | HTML iconHTML

    The following conclusions may be drawn from the material presented above: 1. Dynamic resistance measurements on OLTCs provide early warning of developing faults. They may be used to assign condition indices based on dynamic resistance boundary values. 2. The boundary values can be derived from field measurements, laboratory experiments, and failure investigations. 3. Using a flowchart in conjuncti... View full abstract»

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  • Effect of limiting airflow in mitigating combustion-driven manhole events

    Publication Year: 2011, Page(s):37 - 44
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1419 KB) | HTML iconHTML

    "Manhole event" refers to a range of phenomena, such as smokers, fires, and explosions, which occur in underground electrical infrastructure, primarily in large cities. Whereas some manhole events are caused by failure of primary distribution cable, most are caused by failure of unshielded secondary cable in network systems. Based on analysis and knowledge of field conditions, manhole events can b... View full abstract»

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  • DEIS News

    Publication Year: 2011, Page(s): 45
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  • Development of fiber lasers capable of emitting new wavelengths [News from Japan]

    Publication Year: 2011, Page(s):46 - 47
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  • Book Reviews [7 books reviewed]

    Publication Year: 2011, Page(s):48 - 52
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  • IEEE media advertising sales offices

    Publication Year: 2011, Page(s): 53
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  • Meetings Calendar

    Publication Year: 2011, Page(s): 54
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  • 2011 Index - IEEE Electrical Insulation Magazine

    Publication Year: 2011, Page(s):55 - 57
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  • Subject Index

    Publication Year: 2011, Page(s):57 - 60
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  • IEEE Electrical Insulation Magazine - Front cover

    Publication Year: 2011, Page(s): C1
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  • Author's guide

    Publication Year: 2011, Page(s): C2
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  • 2012 IEEE International Power Modulator and High Voltage Conference - Call for papers

    Publication Year: 2011, Page(s): C3
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  • Abstract Submission - Call for Papers

    Publication Year: 2011, Page(s): C4
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Aims & Scope

The EI Magazine publishes articles written by authors from industry, research institutes and academia. The articles are more practical in content than the papers published in the Transactions.

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Meet Our Editors

Co-Editor-in-Chief
Edward Cherney

Co-Editor-in-Chief
Robert Fleming