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| Power Engineering International Magazine, May 2009 Articles |
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May 2009
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Alternative contract models increase the options for power generators
External power contracting, offering a single point of accountability, has reigned supreme for a decade as the principal power station contract.
Dispatch system performance: balancing supply and demand
Utility supply companies have long been vexed by the issue of matching supply and demand while maintaining grid stability.
Hatfield Power Park: New King Coal?
Powerfuel, a UK energy owned by coal mining entrepreneur Richard Budge and KRU, Russia’s second biggest coal company, has moved a step closer to building what would be the world’s largest ‘clean coal’ power station, a 900 MW IGCC facility adjacent to the reopened Hatfield colliery in South Yorkshire, England
Brazil: a carnival of conversions
Three diesel engine plants in the city of Manaus, Brazil, are being converted to allow them to run on natural gas.
Fresnel CSP: a startling technology for solar generation
After a trial run of 18 months, Man Ferrostaal’s research and development project, FresDemo, situated on the Plataforma Solar de Almeria in Spain, has demonstrated the potential of a new generation of concentrating solar power plants.
EuropaGrid: has Europe’s dream of an integrated grid come true?
In January privately owned Irish firm Imera Power went public with plans to build EuropaGrid – a €4.4 billion pan-European electricity grid project to develop a more truly integrated network with greater security of supply. Unusually for grid interconnector schemes, the money will be raised almost entirely from private sources.
Wireless technology: a game-changing technology
Wireless technology opens up many new measurement points that were previously impossible, or economically feasible.
Keeping the faith: why carbon markets must work
Joan MacNaughton, Alstom’s head of power policy, argues that despite current performance, carbon markets are the best way to cost-effectively ensure a global reduction in CO2 emissions.
Life cycle assessment for combined-cycle power plants
Ansaldo Energia, on a joint basis with Genoa University, has embarked on a life cycle analysis of a turnkey 800 MW CCGT power plant.
All-aluminium alloys conductors: cutting overhead costs in Brazil
Brazilian transmission line operator EBTE is constructing five new 230 kV overhead transmission lines with a total length of 775 km in the Brazil state of Mato Grosso.
A measure of success in the fight against corrosion
Dissolved impurities in water and steam can cause damaging corrosion and deposition in modern power plants operating at increasingly high temperatures and pressures.
Octopus’s garden: laying cables beneath the ocean waves
The UK’s Global Marine Systems owns and operates a fleet of state-of-the-art vessels and subsea vehicles, such as Remotely Operated Vehicles (ROV), used to lay sub-sea cables connecting offshore wind farms.
Ageing generator rotor: Refurbishment or removal from service?
It is often better to refurbish a damaged turbo-generating set than remove it, in order to contain costs and maintain generating continuity – but only if you can find the right partner to carry out the work as illustrated at the Datteln power station in Germany.
The time is now: carbon capture and storage
Due to a combination of significant funds being made available and political moves to introduce legislation demanding it, the day carbon capture and storage becomes a commercial reality for coal fired power plants may be closer than many predicted.
Keeping it simple: thermal transient testing of high-pressure safety injection reactor pumps
PWR reactors must be designed to handle any primary loop failure, whether small or large, because the reactor core will melt if not continuously cooled.
CFD analysis: bowling for pulverized coal
This article describes development of 3D numerical modelling to simulate the complex flow structure of coal pulverizers, which play a key role on the performance and efficiency of industrial utility boilers.
Getting the hots for geothermal power
New Zealand is one of the world’s pioneers in using conventional geothermal power – seven per cent of its electricity is presently obtained from that source.
Stacking up success for industrial chimneys
Zenith SAS Limited is a leading specialist contractor focusing on the inspection, maintenance and repair of industrial chimneys, hyperbolic cooling towers and flare stacks around the world.
T&D contractors: Safety by design
John Nixon, engineering director for the systems business unit at Areva T&D UK, discusses how a partnership with National Grid forms part of his company’s objective to achieve zero accident rates worldwide.
First filter your fluids
The cleaning of the fluid systems associated with conventional steam generators and combustion turbines is an inexpensive, although sometimes neglected, task that is critically important to their smooth and efficient operation.
European metering is getting smarter
A recent study by Capgemini into the status of Europe’s smart metering market found that.
Burning issue: biomass in the spotlight
The prospects for biomass co-firing have never been brighter. Opportunities are emerging for the development of biomass firing across the globe, from the US to Europe and Asia.
Powering growth in a slump
Parsons Brinckerhoff is a global consultancy on power projects – ranging from front-end studies on the economic, financial and technical viability of a prospective project, to assessing the requirements for rehabilitation or repowering.
Towards a decarbonized power sector
Deputy Editor Tim Probert talks to Magued Eldaief, GE Energy’s managing director for the UK and executive director for infrastructure accounts – spanning a number of GE infrastructure businesses that include energy, oil and gas, and water.
Innovative CCGT plant project includes complex retrofit
French power engineering company Alstom is progressing well with a €1 billion joint repowering and new construction project in the southeast of the Netherlands.
Crisis or opportunity? Recession and low carbon power
Deputy Editor Tim Probert reviews developments in the European power industry since the POWER-GEN Europe conference and exhibition in Milan last June.
Germany at the crossroads
Germany’s policy of weaning itself off nuclear power is predicted to lead to a major power supply shortfall, which the current recession will do no more than defer slightly.
Powering through the economic downturn
PEi’s Associate Editor and POWER-GEN Europe Conference Director Nigel Blackaby introduces this month’s event in Cologne, Germany.
EU energy market liberalization finalized – well, almost!
After more than 12 months of heated discussions over the third package of legislation for the further liberalization of the European Union’s (EU’s) energy markets, it finally looks like agreement has been reached.
Is the UK offshore wind sector dead in the water?
Until the credit squeeze and the weakening British pound began to bite, the future of the burgeoning UK offshore wind industry was looking healthy.
INTERNATIONAL
South Africa’s Pebble Bed Modular Reactor Ltd. has signed a memorandum of understanding (MOU) with the Chinese Institute of Nuclear and New Energy Technology (INET) of Tsinghua University and Chinergy to facilitate the development of pebble bed nuclear reactors.
EUROPE
Germany’s 17 remaining nuclear power plants can produce 1241 TWh more electricity between now and 2021, according to the industry’s supervisory body.
ASIA-PACIFIC
The Indonesian state oil and gas company Pertamina has announced that it will resume work on a geothermal project at Karaha Bodas in Garut, West Java next year.
AMERICAS
The US Environmental Protection Agency (EPA) has issued a proposed finding that greenhouse gases contribute to air pollution that may endanger public health or welfare.
COMPANIES
Fluor Ltd and Airtricity have formed a consortium called Seagreeen Wind Energy Ltd, which has bid for exclusive rights to develop wind farms under the third round of the UK Crown Estate’s auction of offshore wind farm licenses.
GensetRoundup
These systems are destined for the initial planning stage of the new airport, Berlin Brandenburg International (BBI), which is scheduled to be taken into operation in 2011.
EquipmentRoundup
ESAB is launching the Origo Mig 4001i welding machines for efficient welding of high-alloy materials in demanding applications.
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