Power Engineering Journal
Volume 15, Issue 1, February 2001
Volumes & issues:
Volume 15, Issue 1
February 2001
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- Source: Power Engineering Journal, Volume 15, Issue 1, page: 2 –2
- DOI: 10.1049/pe:20010106
- Type: Article
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- Source: Power Engineering Journal, Volume 15, Issue 1, page: 4 –4
- DOI: 10.1049/pe:20010107
- Type: Article
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- Author(s): J.D. Wale and C. Pollock
- Source: Power Engineering Journal, Volume 15, Issue 1, p. 5 –12
- DOI: 10.1049/pe:20010101
- Type: Article
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Hybrid stepping motors derive their name from the fact that their construction is a hybrid between permanent magnet and reluctance motor topologies. Their inherent positional accuracy makes them suitable for a wide range of motion control and industrial positioning applications. This article explains the construction and operation of the hybrid stepping motor. Power converter topologies are presented which are commonly used in hybrid stepping motor drives. Methods are discussed of enhancing performance beyond that achievable by traditional methods. It is shown that the fall in cost of power electronic devices is enabling further enhancements of stepping motor drive technology, broadening the range of applications for this class of motor. - Source: Power Engineering Journal, Volume 15, Issue 1, page: 13 –13
- DOI: 10.1049/pe:20010108
- Type: Article
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- Source: Power Engineering Journal, Volume 15, Issue 1, p. 14 –15
- DOI: 10.1049/pe:20010109
- Type: Article
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- Source: Power Engineering Journal, Volume 15, Issue 1, p. 15 –16
- DOI: 10.1049/pe:20010110
- Type: Article
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- Author(s): G. Laverty
- Source: Power Engineering Journal, Volume 15, Issue 1, p. 17 –22
- DOI: 10.1049/pe:20010102
- Type: Article
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During the last few years, there has been much progress in understanding the nature of electric arc accidents and their potential impact on nearby workers. Many thousands of workers are potentially at risk, including those who work in industrial environments such as chemical plants and oil refineries, as well those who work more obviously with electricity in utilities etc. While the removal of risk itself must always be the prime goal, the role of adequate personal protective equipment in providing protection from involuntary arc incidents cannot be overlooked. - Source: Power Engineering Journal, Volume 15, Issue 1, page: 24 –24
- DOI: 10.1049/pe:20010112
- Type: Article
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- Author(s): C.C. Whitworth ; A.W.G. Duller ; D.I. Jones ; G.K. Earp
- Source: Power Engineering Journal, Volume 15, Issue 1, p. 25 –32
- DOI: 10.1049/pe:20010103
- Type: Article
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Electricity companies routinely inspect their overhead lines by helicopter. The work described here aims to enhance the inspection process by using video surveillance techniques to capture and store visual information for easy retrieval as a basis for maintenance planning. The article considers the problem of how to acquire and smoothly track known visual features of the network using a helicopter-mounted camera. - Author(s): Z. Korendo and M. Florkowski
- Source: Power Engineering Journal, Volume 15, Issue 1, p. 33 –42
- DOI: 10.1049/pe:20010104
- Type: Article
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Infrared analysis tools and an algorithm to assess the condition of power equipment are demonstrated. Thermographic analysis capabilities and limitations are highlighted, and then the dedicated software toolbox is presented with its features overview. Finally an approach to infrared measurements trending for use in condition monitoring applications is demonstrated. Feasibility of the proposed solution is verified with a case study of an HV disconnector inspection. - Author(s): D. Warne
- Source: Power Engineering Journal, Volume 15, Issue 1, p. 43 –55
- DOI: 10.1049/pe:20010105
- Type: Article
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The LINK scheme for collaborative applied research comprises a number of individual programmes on priority topics. Each programme is jointly funded by industry, commerce and government, has a commitment phase of three to five years and aims to support a number of projects in its own prescribed area. Projects must be a collaboration between industry and the science base, the latter normally being universities. Product development is not eligible for support under LINK, but industrial relevance is essential and the supported research should enable a clear route forward to commercial exploitation. An element of risk is sought in LINK projects, part of the motivation being to encourage longer-term R&D in industrial companies. This paper describes the PEDDS programme (Power Electronic Devices and Derived Systems) which has four main areas of technological focus (discrete power semiconductor devices, electric drive systems, power conversion, conditioning and control, and UPS) and which supports 19 projects. The objectives, achievements and outcomes of each of the projects are briefly outlined. - Source: Power Engineering Journal, Volume 15, Issue 1, page: 56 –56
- DOI: 10.1049/pe:20010111
- Type: Article
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Competence
Book review
Hybrid stepping motors and drives
New professional network for IEE power
Letters to the Editor
Calendar
Measuring the performance of fabric systems to protect against the thermal effects of electric arcs
Contracts and orders
Aerial video inspection of overhead power lines
Thermography based diagnostics of power equipment
The LINK PEDDS programme achievements and outcomes
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