Power Engineer
Volume 17, Issue 3, June 2003
Volumes & issues:
Volume 17, Issue 3
June 2003
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- Source: Power Engineer, Volume 17, Issue 3, page: 2 –2
- DOI: 10.1049/pe:20030314
- Type: Article
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- Source: Power Engineer, Volume 17, Issue 3, p. 3 –4
- DOI: 10.1049/pe:20030315
- Type: Article
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- Author(s): J. Wood
- Source: Power Engineer, Volume 17, Issue 3, p. 6 –8
- DOI: 10.1049/pe:20030301
- Type: Article
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Although a few question it, for most scientists the fact of climate change is not in doubt, although the details of many of the mechanisms, the likely effects, and the practicalities of predicting or altering such a complex system are still the subject of much debate. But while scientists can catalogue their uncertainties and plan research programmes extending for decades, those on whom the impact will fall have to make decisions now. National Grid has to manage weather effects on its high voltage transmission network at fine scale across England and Wales. It gives the company a head start in preparing for climate change. This paper discusses the effects on temperature on the infrastructure as well as extreme weather events. - Author(s): S. Ottewell
- Source: Power Engineer, Volume 17, Issue 3, p. 10 –11
- DOI: 10.1049/pe:20030302
- Type: Article
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Ireland's largest island, Achill, could supply all its energy needs from renewable sources. This paper discusses the energy analysis performed for Achill and the examination of Achill's renewable energy potential. In order to meet electrical demand, wind (offshore and onshore) and tidal energy were examined. However, the weakness of the electrical grid was found to be a prohibiting factor for wind generation. A planned upgrade of the network from one 10 kV feeder to two 20 kV feeders is likely to commence in 2003. The investigation of tidal power at Bull's Mouth is discussed. - Author(s): N. Fell
- Source: Power Engineer, Volume 17, Issue 3, p. 12 –13
- DOI: 10.1049/pe:20030303
- Type: Article
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The development of distributed power architectures, with different components operating at different voltages and many components now operating as low as 0.8 V, has made the power conversion business a fast paced industry to be in. Lambda, which has its UK base at Ilfracombe in Devon, is one of the world's leading manufacturers of power converters. Establishing its position in the market and maintaining it requires constant innovation, both in the development of products and in their manufacturing processes. It is a challenge that Lambda has met and is confident of remaining ahead of the game as the demand for power density continues to increase. - Author(s): L. Collins
- Source: Power Engineer, Volume 17, Issue 3, p. 14 –15
- DOI: 10.1049/pe:20030304
- Type: Article
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The first superconducting transmission system is being set up in Albany, New York. The author looks at the company behind the project, SuperPower Inc, based in Schenectady, New York, which is a subsidiary of Intermagnetics General. BSCCO and YBCO high temperature superconducting materials are discussed. A 350 m section of first-generation HTS cable will be installed in Niagara Mohawk Power Corporation's power grid. Later a 30 m section of the first-generation HTS cable will be removed and replaced with a second-generation HTS cable. - Author(s): J. Hewitt
- Source: Power Engineer, Volume 17, Issue 3, p. 16 –19
- DOI: 10.1049/pe:20030305
- Type: Article
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Improved network design can improve electricity supply, an issue of critical importance to many businesses. This paper discusses the design developments to aid the distribution network operators and the National Grid in providing reliable power supply and restoring power as quickly as possible following failure of equipment. The reliability improvements described have been achieved through the application of lateral thinking to network design. Although the network costs increase, the reliability is at a level where back up generators need not be employed as the independent supplies provide adequate back up for each other. - Author(s): R. Luzader
- Source: Power Engineer, Volume 17, Issue 3, p. 20 –22
- DOI: 10.1049/pe:20030306
- Type: Article
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Hydrogen storage systems are mechanical or chemical means of holding hydrogen as a gas, liquid or solid. The advantage of these systems is that they present pure hydrogen to the fuel cell with good load-following ability. The main disadvantages are the total cost of creating and storing the hydrogen in the system is higher than for hydrocarbons today; the lack of a gaseous hydrogen infrastructure; the large space and weight requirements for the fuel and equipment, except Millenium Cell's Hydrogen on Demand™ technology. - Author(s): A. Kotsopoulos
- Source: Power Engineer, Volume 17, Issue 3, p. 23 –25
- DOI: 10.1049/pe:20030307
- Type: Article
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In this paper, the author describes how suitable power electronic converters are vital to the smooth integration of solar arrays into a PV grid system. - Author(s): D. Helm
- Source: Power Engineer, Volume 17, Issue 3, p. 26 –29
- DOI: 10.1049/pe:20030308
- Type: Article
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In this paper, the author constructs a powerful argument for the establishment of new structures and bodies to address the twin challenges of reducing carbon dioxide emissions and maintaining security of supply. - Author(s): D. Giacomini ; E. Bianconi ; L. Martino ; M. Palma
- Source: Power Engineer, Volume 17, Issue 3, p. 30 –33
- DOI: 10.1049/pe:20030309
- Type: Article
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Motor drives require complex power conversion and control. In this article, the authors describe the Programmable-Isolated Intelligent Power Module™ (PI-IPM) from International Rectifier, which shows how intelligent power modules can be implemented. - Author(s): R. Koffler
- Source: Power Engineer, Volume 17, Issue 3, p. 34 –36
- DOI: 10.1049/pe:20030310
- Type: Article
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In this article, the author describes how choosing between a transformer or transformerless UPS for your needs is rather like deciding between a diesel and petrol car. When selecting the right technology to employ, the user has to balance short and long term benefits against budget and overall life cycle costs. Consultation from a supplier that can offer an impartial recommendation from both technologies should lead to the adoption of a secure and robust power solution. - Author(s): D. Vincent
- Source: Power Engineer, Volume 17, Issue 3, p. 37 –39
- DOI: 10.1049/pe:20030311
- Type: Article
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The Carbon Trust is an independent company, Government backed and business led. Its remit is to take the lead in low carbon technology innovation in the UK. In this article, the work of the Carbon Trust is outlined by the author. - Author(s): R. Stew
- Source: Power Engineer, Volume 17, Issue 3, p. 40 –41
- DOI: 10.1049/pe:20030312
- Type: Article
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Following privatisation, National Power, as it was then, had to improve the efficiency and the management systems in its coal fired power stations. Now run by the divested company, Innogy, the company's stations use an Advanced Plant Management System (APMS) based on Verano's Real Time Applications Platform (RTAP). The system, developed in the mid 1990s, has proved invaluable to Innogy in managing its coal fired power plants with greater flexibility and responsiveness, something crucial in a deregulated market. RTAP has allowed the company to integrate diverse control systems across its sites, create a uniform operator interface and a managed engineering interface. It has also been able to create a generic database for the hierarchies of plant, business and support data and manage plant component life and integrity. - Author(s): B. Perrin
- Source: Power Engineer, Volume 17, Issue 3, p. 42 –45
- DOI: 10.1049/pe:20030313
- Type: Article
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In this article, the author explains how Lattice Semiconductor has developed a mixed signal programmable logic device, offering engineers greater control of power within microelectronic circuits. - Source: Power Engineer, Volume 17, Issue 3, page: 46 –46
- DOI: 10.1049/pe:20030316
- Type: Article
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- Source: Power Engineer, Volume 17, Issue 3, page: 47 –47
- DOI: 10.1049/pe:20030317
- Type: Article
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- Source: Power Engineer, Volume 17, Issue 3, page: 48 –48
- DOI: 10.1049/pe:20030318
- Type: Article
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Editorial
News
The effect of one degree [HV grid, weather effects]
Ireland's renewable island
Distributing power
Superconducting ceramics
Preventing blackouts
Solid storage [for hydrogen]
Smoothing solar power
A new energy agenda
Integrating power and control
Transformer or transformerless UPS?
A low carbon trust [air pollution control]
A platform for flexibility [power station automation]
Packing the power [power IC]
Research
Products
Calendar
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