Rolls-Royce wins Middle East offshore order for new Avon 200

Rolls-Royce has secured another Middle East order for the Avon 200, a significantly upgraded version of the highly successful industrial gas turbine.

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Dubai Petroleum is upgrading a further six industrial Avon gas generators, following a previous order for four conversions. This will bring half of its current Avon fleet operating offshore on platforms in the Fateh gas field to the new standard.

The ten engines being upgraded, which were installed between 1986 and 1992, will enjoy a number of operating improvements including a ten per cent increase in power, 5.3 per cent better thermal efficiency and reduced carbon dioxide emissions compared with current in-service Avon engines.

Tom Curley, President of the Rolls-Royce energy business, said: “The Avon 200 is a significant new product for the Rolls-Royce energy business, with the potential to extend the life of the worldwide Avon fleet of over 850 engines.”

Performance improvements will be achieved by using latest technologies from the Rolls-Royce Trent and EJ200 aero engine designs, and from rig programmes currently underway to develop future technologies. The improvements include reduced fuel burn, extended times between overhaul, up from 30 000 hours to 36 000 hours and a better mechanical design to reduce life-cycle costs.

Work on converting the engines will be carried out by the Rolls Wood Group, a 50/50 joint venture between Rolls-Royce plc and John Wood Group plc, at their Aberdeen facility. The first four engines have been completed and have been shipped back to Dubai Petroleum.

Keith Brady, managing director of the Rolls Wood Group, said: “We are extremely pleased that the work to undertake the conversions is being performed in Aberdeen by Rolls Wood. We have already converted six Avons for operators in Norway, Dubai and Brazil following the successful trials of a development engine on a major gas pipeline in Canada.

The same development engine also underwent hot weather trials in Dubai prior to the order from Dubai Petroleum.

MAN Diesel gas engine scoops award for innovation

MAN Diesel SE has received a prestigious award for creating a new type of gas engine that combines the advantages of the highly efficient diesel principle with those of the environmentally friendly Otto principle.

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The innovative 32/40PGI gas engine comprises an Otto engine that uses no spark plugs yet has the high degree of efficiency of a diesel engine and extremely low nitrogen oxides (NOx) emissions.

The abbreviation PGI stands for “Performance Gas Injection” and describes a completely new, high-energy ignition system. The spark ignition system common to gas engines so far has been replaced by an extremely simple ignition system with high-pressure gas injection.

The German business ‘Innovation Prize’ has been awarded since 1980 by the Wirtschaftsclub Rhein-Main business club in conjunction with the business magazine “Wirtschaftswoche”. MAN Diesel beat off 221 companies and institutions with more than 230 innovations registered for the award.

Chairman of the Executive Board of MAN Diesel SE, Dr. Georg Pachta-Reyhofen, accepted the prize from German minister for Business and Technology, Dr. Michael Glos. “We are delighted by this award – and it shows that, even 111 years after Rudolf Diesel developed the diesel engine on MAN’s present site in Augsburg and brought it to series production, innovation is still one of the central pillars of our corporate success,” said Dr. Pachta-Reyhofen.

Two managers at MAN Diesel came up with the idea behind the PGI engine. Professor Wolfram Lausch and Dr. Guenther Bozung (now retired) considered how it might be possible to overcome the technical limitations that had hitherto restricted the performance of gas powered engines.

“Our PGI system generates ignition power that is up to 100 000 times greater than the most powerful spark plug known, yet the components involved have a much longer service life. The system therefore forms the basis for an engine that combines the high performance density and efficiency of a diesel engine with the advantages of a low- emissions gas engine,” says Lausch, describing his invention.

MAN Diesel unveiled the new 32/40PGI gas engine for the first time in the spring of 2006 at the POWER-GEN Europe trade fair in Cologne. Since then, the innovative concept has enjoyed its first successes on the energy production market. As a pilot customer, the Russian energy supplier Mosoblenergogas, a subsidiary of the Gazprom group, ordered the first two PGI engines in December 2006 for a power plant in Moscow.

The Argentine energy company PAMPA followed in November 2007 with an order for two further engines, which will generate energy in the north of the country using gas as their fuel. For both customers, the high degree of efficiency, the low maintenance outlay and the environmentally friendly operation of the PGI engine played a key role in their decision to buy.

Wärtsilä to deliver first OilCube power plant to Central America

Wärtsilä has been awarded a contract by the Salvadorian electrical development group Sociedad Electrica de CEREN (SEC) for a 17.5 MW diesel power plant.

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The power plant is to be installed at Hacienda de San Andrés in San Juan Opico in the Departamento Libertad, El Salvador, and is due to be handed over in the third quarter 2009.

The new SEC power plant, Termoeléctrica de CEREN, is the first Wärtsilä OilCube power plant to be ordered since the introduction of the product in spring 2007. It will comprise two OilCubes, each with a Wärtsilä 20V32 diesel engine burning heavy fuel oil. The value of the contract is approximately E12 million.

The plant is also a combined heat and power (CHP) plant. It will include a waste heat recovery system consisting of two exhaust gas boilers capable of producing a total of 6056 kg/h of saturated steam at a working steam pressure of 11.8 bar.

SEC is involved in electricity distribution in El Salvador. Electricity from the new power plant will be delivered through a new electrical substation as part of the project to the Salvadorian national grid through Unidad de Transacciones S.A. de C.V. which is the national entity in charge of managing the wholesale energy market in El Salvador. SEC also plans to sell part of its electricity production directly to private industrial customers. The steam will be delivered to a local industrial park to be used in industrial processes.

The plant will thus improve electrical services in San Juan Opico and elsewhere in this region of El Salvador in terms of quantity and reliability of the electricity. This will bring the benefits of creating additional qualified jobs for this area of the country and encourage the setting up of new industries there. SEC expects that this is the first phase of the project and anticipate extending the plant in the near future.

The Wärtsilä OilCube is a standardised power plant that provides industrial customers, utilities and independent power producers with small (5-25 MW) diesel power plants on a turnkey basis. Each PowerCube is a complete single-engine power plant based on the Wärtsilä 20V32 engine.