Power Engineering Journal
Volume 15, Issue 3, June 2001
Volumes & issues:
Volume 15, Issue 3
June 2001
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- Source: Power Engineering Journal, Volume 15, Issue 3, p. 122 –123
- DOI: 10.1049/pe:20010301
- Type: Article
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- Source: Power Engineering Journal, Volume 15, Issue 3, page: 124 –124
- DOI: 10.1049/pe:20010302
- Type: Article
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- Author(s): P. Williams and G. Strbac
- Source: Power Engineering Journal, Volume 15, Issue 3, p. 125 –136
- DOI: 10.1049/pe:20010303
- Type: Article
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Costing and pricing of the network service is an important aspect of owning and operating a distribution “wires” system in the deregulated England and Wales electricity supply industry. At a time of relative stability in the five-year regulatory price control cycle and with the structure of electricity distribution charges attracting regulatory interest, now may be an appropriate time to examine current practices and to consider the increasingly important relationship between distribution costs, performance and price. This article describes the current costing and pricing methodology, from both a distributor and a user perspective, before briefly discussing how these might develop as regulatory emphasis begins to change from one that is asset based to a regime that focuses more on customer driven network performance. - Source: Power Engineering Journal, Volume 15, Issue 3, page: 138 –138
- DOI: 10.1049/pe:20010304
- Type: Article
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- Author(s): Y. Shakweh
- Source: Power Engineering Journal, Volume 15, Issue 3, p. 139 –149
- DOI: 10.1049/pe:20010305
- Type: Article
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Over the last few years, several medium-voltage, pulse-width modulated, voltage source inverter drives have been introduced to the market. These drives are based on different power stack topologies and different power devices. This article reviews various MV PWM VSI power stack topologies in the power range 2-7 MW. It also examines and compares a number of different high-power, IGBT-based, converter stack designs suitable for 4.16 kV AC RMS output voltage. - Source: Power Engineering Journal, Volume 15, Issue 3, page: 150 –150
- DOI: 10.1049/pe:20010306
- Type: Article
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- Author(s): Yong-Hua Song and M.R. Irving
- Source: Power Engineering Journal, Volume 15, Issue 3, p. 151 –160
- DOI: 10.1049/pe:20010307
- Type: Article
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For pt. I see ibid., vol.14, no.5, p.245-54 (2000). An introduction to mathematical programming based methods was given in the first tutorial of this three-part series. This second part covers major modern heuristic optimisation techniques and their integration and comparison with other methods. This paper discusses evolutionary algorithms; simulated annealing; tabu search; ant colony search; neural networks; and fuzzy programming. - Source: Power Engineering Journal, Volume 15, Issue 3, p. 161 –162
- DOI: 10.1049/pe:20010308
- Type: Article
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- Author(s): H. Auinger
- Source: Power Engineering Journal, Volume 15, Issue 3, p. 163 –167
- DOI: 10.1049/pe:20010309
- Type: Article
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The efficient use of energy, and in particular electrical energy, is a priority in every developed nation. Engineers are always looking for ways of improving conversion efficiencies in a wide range of engineering processes. One area for potential energy saving is the electric motor, which accounts for around 70% of industrial power consumption. But how can you accurately measure its efficiency in practical situations? The effects of the influencing factors on the motor efficiency are described in detail, using representative numerical examples. The factors discussed are load dependency, temperature dependency, voltage amplitude, and line supply quality. - Source: Power Engineering Journal, Volume 15, Issue 3, page: 168 –168
- DOI: 10.1049/pe:20010310
- Type: Article
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Energy - the changing climate
Book reviews
Costing and pricing of electricity distribution services
Calendar
MV inverter stack topologies
Contracts & orders
Optimisation techniques for electrical power systems. Part 2: Heuristic optimisation methods
Research
Efficiency of electric motors under practical conditions
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