Power Engineer
Volume 21, Issue 6, December 2007
Volumes & issues:
Volume 21, Issue 6
December 2007
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- Source: Power Engineer, Volume 21, Issue 6, page: 2 –2
- DOI: 10.1049/pe:20070601
- Type: Article
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- Source: Power Engineer, Volume 21, Issue 6, p. 2 –3
- DOI: 10.1049/pe:20070602
- Type: Article
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- Author(s): D. Swift-Hook
- Source: Power Engineer, Volume 21, Issue 6, page: 4 –4
- DOI: 10.1049/pe:20070603
- Type: Article
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Wind power in general has a bad reputation for intermittent power, so perhaps it is understandable that many onlookers have a problem with low-wind sites for wind farms. But as the author explains, that attitude is misguided. - Source: Power Engineer, Volume 21, Issue 6, page: 5 –5
- DOI: 10.1049/pe:20070608
- Type: Article
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UK trade and professional body British Wind Energy Association (BWEA) respond to last month's Queen's speech in which energy, and more importantly renewable energy, played an important part. - Author(s): M. Venables
- Source: Power Engineer, Volume 21, Issue 6, p. 6 –7
- DOI: 10.1049/pe:20070611
- Type: Article
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Following on from Al Gore's box office success 'An Inconvenient Truth' comes a yarn about our reliance on the dwindling resources of oil. - Source: Power Engineer, Volume 21, Issue 6, p. 8 –12
- DOI: 10.1049/pe:20070612
- Type: Article
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Power Engineer caught up with film makers Ray McCormack and Basil Gelpke shortly before the cinematic release of their film 'A Crude Awakening'. - Author(s): M. Venables
- Source: Power Engineer, Volume 21, Issue 6, p. 14 –19
- DOI: 10.1049/pe:20070604
- Type: Article
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HVDC stands for High Voltage Direct Current, a well-proven technology used to transmit electricity over long distances by overhead transmission lines or submarine cables. It is also used to interconnect separate power systems, where traditional alternating current (AC) connections cannot be used. The reasons for selecting HVDC instead of AC for a specific project are often numerous and complex. The most common arguments in its favour are: lower investment cost, longdistance water-crossing, lower losses, asynchronous interconnections, controllability, limited short-circuit currents and environment. - Author(s): M. Venables
- Source: Power Engineer, Volume 21, Issue 6, p. 20 –25
- DOI: 10.1049/pe:20070605
- Type: Article
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Faced with building new power stations on an already congested strip of land, Long Island Power Authority opted to add another connection to the mainland. This article presents an overview of this historic power project that has given Long Island direct access to a lower cost more diversified power supply in Pennsylvania, New Jersey, and Maryland (PJM) power markets. - Author(s): C. Davidson ; C. Horwill ; M. Granger ; A. Dery
- Source: Power Engineer, Volume 21, Issue 6, p. 26 –31
- DOI: 10.1049/pe:20070606
- Type: Article
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Ice accumulation on transmission lines can cause extensive damage to the lines and towers, but a new HVDC solution in Canada that melts the ice has put an end. The HVDC-based de-icer system at the Levis substation is an important aspect of Hydro Quebec TransEnergie's investment programme to reinforce the 735 kV network and minimise the risk of disruption due to ice storms. - Source: Power Engineer, Volume 21, Issue 6, p. 32 –35
- DOI: 10.1049/pe:20070607
- Type: Article
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If the EU is to meet its ambitious targets for carbon reduction it is clear that nuclear power will have to play an important role. It is very likely that, even with a relatively short delay, investors will have to make alternative decisions, such as building far more fossil-fuel plants. It is appropriate to compare it with wind and tidal technologies, as they create similar amounts of carhon emissions during construction. It should also be noted that nuclear power holds many advantages for the production of hydrogen which could provide a significant proportion of future energy requirements, particularly for transport. The use of nuclear power during off-peak time to produce this energy source means that any future new build plant could be fully utilised for the benefit of UK total energy requirements. - Author(s): S. Davies
- Source: Power Engineer, Volume 21, Issue 6, p. 36 –38
- DOI: 10.1049/pe:20070613
- Type: Article
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Despite its enourmous oil and gas wealth, the former Soviet state of Azerbaijan has struggled with the growing demand for electrical power. The author writes about the independent republic's route back to energy self-sufficency. - Author(s): J. Klimstra
- Source: Power Engineer, Volume 21, Issue 6, p. 39 –41
- DOI: 10.1049/pe:20070609
- Type: Article
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This article highlights a better solution to solve the problem of insufficient electricity generating capacity, with an example from rapidly developing Azerbaijan. Azerenerji, the national electricity company of Azerbaijan, has applied the correct methodology for expanding generating capacity and have decided to install a new large single power plant of, say, 750 MW, that would add 15 per cent to the existing capacity. It has decided to install five power plants with each about 90 MW capacity right at locations where the electricity is needed that avoids excessive transmission and distribution losses. Azerbaijan has the power capacity matching its economic growth. Consequently, sufficient generating capacity has to be running all the time to compensate for instantaneous failure of at least the largest generator. Each new power plant consists of 10 identical gas-engine-driven generators of 9MW, with a net fuel efficiency close to 44 per cent under all circumstances, irrespective of their load. - Source: Power Engineer, Volume 21, Issue 6, p. 42 –47
- DOI: 10.1049/pe:20070610
- Type: Article
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At present Brazil generates most of its electricity from hydroelectric dams, but plans are to loosen that grip by investing in gas-fired power plants. - Author(s): H.D. Lightfoot
- Source: Power Engineer, Volume 21, Issue 6, page: 48 –48
- DOI: 10.1049/pe:20070614
- Type: Article
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Wind and solar electricity cannot supply more than 10 per cent of electricity on the world's electricity grids.
Editorial
News
Opinion: A gentle breeze
Opinion: The winds of change
A crude awakening
The oil crash
Back to its roots [HVDC]
Making the connection [Power system interconnection]
Thaw point
The future of nuclear power
Azerbaijan re-energised
When less is more [expanding electricity generating capacity in Azerbaijan]
Seeking a balance [electric power generation]
Final word: Nobody's fuel
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