Power Engineering Journal
Volume 8, Issue 2, April 1994
Volumes & issues:
Volume 8, Issue 2
April 1994
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- Source: Power Engineering Journal, Volume 8, Issue 2, page: 66 –66
- DOI: 10.1049/pe:19940201
- Type: Article
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66
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- Author(s): W. Fairney
- Source: Power Engineering Journal, Volume 8, Issue 2, p. 69 –75
- DOI: 10.1049/pe:19940202
- Type: Article
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69
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No matter how abstract the concept of reactive power is, requiring as it does the use of `imaginary' algebra to calculate, it plays a vital role in the stable operation of power systems. The author explains what reactive (or imaginary) power is and its effects on components and generator design. The author then discusses the early generator developments of Charles Parsons, high voltage transmission, reactive power control in transmission systems, and measurement of reactive power. - Author(s): J.G.W. West
- Source: Power Engineering Journal, Volume 8, Issue 2, p. 77 –88
- DOI: 10.1049/pe:19940203
- Type: Article
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77
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Electric vehicle production is expected to increase dramatically over the next 10 years. DC motors are used exclusively at present but the change to AC brings advantages in weight and efficiency providing improved range. Because it is readily available, the induction motor is being used for the next generation of electric vehicles but the brushless DC motor has the lightest weight and highest efficiency and is expected to be used within the next 10 years. The switched reluctance motor also has merits for special applications. The author compares the different types of motor for weight, efficiency, cost and other factors. The author also discusses generators for hybrid electric vehicles. - Author(s): M. Wilkinson
- Source: Power Engineering Journal, Volume 8, Issue 2, p. 89 –91
- DOI: 10.1049/pe:19940204
- Type: Article
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p.
89
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Accessories for both paper-insulated and polymeric-insulated power cables up to 33 kV have seen major changes, with modern materials such as cold pour resins, cold shrink systems, moulded rubber components and new tapes with specialised electrical properties being introduced. These new materials, in conjunction with the latest mechanical connecting systems, have gradually replaced traditional techniques like sweating, plumbing, taping, use of hot poured bitumen etc., with resulting reduction of installation times. This article explains the design philosophies behind some of the latest accessories, looking at the important electrical and mechanical properties of modern materials and the reasoning behind their choice. - Source: Power Engineering Journal, Volume 8, Issue 2, page: 92 –92
- DOI: 10.1049/pe:19940205
- Type: Article
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p.
92
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- Source: Power Engineering Journal, Volume 8, Issue 2, p. 93 –94
- DOI: 10.1049/pe:19940206
- Type: Article
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p.
93
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- Source: Power Engineering Journal, Volume 8, Issue 2, p. 95 –96
- DOI: 10.1049/pe:19940207
- Type: Article
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p.
95
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- Author(s): R. Aggarwal and P. Moore
- Source: Power Engineering Journal, Volume 8, Issue 2, p. 97 –102
- DOI: 10.1049/pe:19940208
- Type: Article
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p.
97
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For pt.I see ibid., p.281, Dec. 1993. This tutorial describes power system relay protection systems employing telecommunications. In this part the authors begin by considering the types of teleprotection systems and the different communication media that can be employed including pilot wires, private data circuits, power line carrier systems, microwave radio links, fibre optic links and wideband. They look at some of the international communication protocols and standard interfacing equipment (between digital signals and communication media) that are available. - Source: Power Engineering Journal, Volume 8, Issue 2, page: 103 –103
- DOI: 10.1049/pe:19940209
- Type: Article
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p.
103
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- Source: Power Engineering Journal, Volume 8, Issue 2, page: 104 –104
- DOI: 10.1049/pe:19940210
- Type: Article
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p.
104
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- Source: Power Engineering Journal, Volume 8, Issue 2, page: 104 –104
- DOI: 10.1049/pe:19940211
- Type: Article
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p.
104
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An ongoing partnership - engineer education and industry
Reactive power - real or imaginary?
DC, induction, reluctance and PM motors for electric vehicles
Material progress in cable accessories up to 33 kV
Amorphous core transformers
Contracts and orders
FACTS or fiction?
Digital communications for protection. Part 2: Teleprotection systems
Calendar
Second Vacation School on ‘High voltage engineering and testing’
Modular masters in electricity management
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