Power Engineer
Print ISSN
1479-8344
Online ISSN 1741-0517
Online ISSN 1741-0517
Published from 2003-2007, Power Engineer was written for professional engineers who were engaged in electrical power generation, control and distribution. It dealt with practical matters and project articles giving broad coverage in the area of power engineering both in the UK and overseas.
This publication was previously known as Power Engineering Journal 1987-2002. ISSN 0950-3366. more..
Volumes & issues:
Latest content
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Back to its roots [HVDC]
- Author(s): M. Venables
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p.
14
–19
(6)
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.
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Editorial
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p.
2
(1)
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News
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p.
2
–3
(2)
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Making the connection [Power system interconnection]
- Author(s): M. Venables
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p.
20
–25
(6)
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.
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Thaw point
- Author(s): C. Davidson; C. Horwill; M. Granger; A. Dery
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p.
26
–31
(6)
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.
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The future of nuclear power
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p.
32
–35
(4)
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.
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Azerbaijan re-energised
- Author(s): S. Davies
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p.
36
–38
(3)
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.
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When less is more [expanding electricity generating capacity in Azerbaijan]
- Author(s): J. Klimstra
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p.
39
–41
(3)
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.
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Opinion: A gentle breeze
- Author(s): D. Swift-Hook
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p.
4
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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.
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Seeking a balance [electric power generation]
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p.
42
–47
(6)
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.
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