GensetRoundup

Tognum to deliver emergency power supply systems for Berlin Brandenburg International airport

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.

Depending on passenger numbers, plans currently envisage a gradual expansion over the coming years à‚— an expansion which would require additional emergency power supply systems.

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The current order awarded by E.ON edis AG, worth €3.7m ($4.79m), is of substantial importance with regard to potential follow-up orders. The MTU Onsite Energy emergency power supply systems are based on MTU 20V 4000 G23 engines. The six gensets have a total overall power output of approximately 12.7 MW. Among other things, these emergency power supply systems will ensure runway and landing-strip lighting at BBI.

Apart from the gensets, the scope of delivery includes the emergency power supply switchgear, cooling, exhaust gas and fuel systems, as well as intake and exhaust air systems. Delivery is scheduled between August and December 2009.

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“Not only does this order strengthen our diesel emergency power supply genset business,” explains Christof von Branconi, member of the executive board with responsibility for the business unit Onsite Energy & Components. “This also gives us the opportunity to show that we are able to deliver tailored complete systems at an excellent price/performance ratio.”

The expansion of the existing Schàƒ¶nefeld airport to become the Berlin’s new BBI central airport began in 2006. As of 2011, the airport is scheduled to absorb the entire air traffic volume in the Berlin-Brandenburg region. BBI’s initial passenger capacities range between 22m and 25m per year.

Plans are based on BBI’s potential to expand this volume up to between 40m and 45m over the next few years, more than two-thirds of the current passenger volumes at Frankfurt/Main airport.

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Wärtsilä contract worth €137m to deliver another major power plant to Pakistan

Wärtsilä has received another major order from Pakistan, this time from Liberty Power Tech, an independent power producer (IPP).

The value of the contract is approximately €137m ($177m). The total gross electrical power output of the power plant is 200 MWe and the plant will be located near Faisalabad some 200 km west from Lahore.

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The power plant is due to be commissioned in December 2010 and it will supply electricity to the country’s national grid. This order follows three other IPP projects signed by Wärtsilä in 2007 and 2008. Including these last four orders, the total generating capacity delivered by Wärtsilä to Pakistan will exceed 1700 MWe.

The Liberty Power Tech combined cycle solution is an EPC (engineering, procurement and construction) order and it will consist of 11 Wärtsilä 18V46 generating sets. In addition to the equipment supply, Wärtsilä will also erect, test and commission the plant and provide local construction supervision. An O&M contract to operate and maintain the power plant is also under negotiation between Wärtsilä and the customer.

“Wärtsilä and Liberty Power Tech have worked together as one team throughout the development of the project. The need for power generation and energy production is growing rapidly in Pakistan. With Wärtsiläà‚´s strong support and advisory services we have been able to arrange the financing for the power plant project,” says Mr Ashraf Mukaty, sponsor director of Liberty Power Tech Ltd. The company is owned by Salim Mukaty and his family, who also own Liberty Mills, one of the leading textile groups in Pakistan.

The Liberty Power Tech power plant will have a notably high overall efficiency of 45 per cent for the lifetime of the plant when running on heavy fuel oil at site conditions. This level of efficiency on low-cost fuel oil will enable the generating costs to be very competitive.

“We are especially pleased to have been awarded this project contract, and look forward to serving Liberty Power Tech throughout the lifecycle of the project. This order endorses not only the reputation of the Wärtsilä equipment, but also the service capability that we are able to provide from our office and workshop in Lahore,” says Nomi Ahmad, regional director, Middle East, Wärtsilä Power Plants.

Liberty Power Tech has signed a PPA with National Transmission & Despatch, and an Implementation Agreement with the government of Pakistan.

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Rolls-Royce Avon 200 industrial gas turbine upgrade hits 100 000 hours of faultless operation

An upgraded Rolls-Royce industrial gas turbine has achieved more than 100 000 hours of faultless operation.

The Avon 200 life extension upgrade, which delivers increased power, efficiency and component life, was launched in 2007. Forty engine kits have been ordered by operators in nine countries, with 18 now delivered.

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The industrial Avon is one of the most successful industrial aero-derivative gas turbines ever built, accumulating more than 60 million operating hours. It has established an unparalleled record for reliability and availability in the oil and gas and power generation industries.

Total orders exceed 1200 units, with more than 800 still in service worldwide. Avon 200 upgrades are suitable for Avon 1533, 1534 and 1535 models.

The Avon 200 can deliver 8.9 per cent more power and 4.4 per cent better thermal efficiency.

It provides extended mean times between overhauls (from 30 000 hours to 36 000 hours) if operated at the current base rating. In addition, improved mechanical design helps to reduce life-cycle costs. When operating at the enhanced or current base rating, significant reductions in CO and CO2 emissions can also be expected.

Robert Wallace, sales and marketing director of the Energy Customer Service Business, said: “The newly upgraded Avon 200 is a significant new addition to our portfolio.

“It delivers value for Avon operators worldwide by setting new standards for power, efficiency, life cycle costs and environmental impact.

“Avon operators want their gas turbines to operate for longer periods before major maintenance is required and they also want to mitigate the effects of high cycle fatigue brought on by fuel quality issues. The Avon 200 delivers this and more.”

Petrobras were first to order an Avon 200 upgrade for one of their engines in service on the P18 platform offshore Brazil. In addition, half of the current Dubai Petroleum Avon fleet operating on offshore gas platforms in the Gulf will be upgraded.

Before entry into commercial service, a demonstrator Avon 200 performed a closely monitored endurance run at the Clarkson Valley natural gas compressor station on TransCanada Corporation’s Alberta, Canada system pipeline.

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Mitsubishi unveils 66.1 per cent efficient gas engine.

Mitsubishi Heavy Industries, Ltd. (MHI) has developed and begun operational verification testing of the MACH II-SI, a gas engine featuring enhanced energy efficiency and reliability.

The MACH II-SI was developed based on the company’s existing MACH-30G, which many units have been sold in Japan; but whereas the forerunner uses a “micro-pilot ignition” system, the new MACH II-SI adopts a spark ignition (SI) system that eliminates the need for auxiliary liquid pilot fuel such as light oil.

In developing MACH II-SI, MHI focused on further enhancement of the efficiency leveraging its abundant experience accumulated in its existing engines. As a result, the new engine has achieved efficiency à‚— combining power generation and heat energy recovery via steam à‚— of 66.1 per cent (under the terms of ISO 3046 using gas with a methane number of 80), the world’s highest level among 6000 kW class engines, in which electric power generation efficiency has been improved by one percentage point.

MHI expects the MACH II-SI series, which power output ranges from 3650 kW to 5750 kW, will significantly contribute to increasing needs for CO2 emission reduction.

To enhance overall efficiency, MHI focused on enhanced heat recovery in steam generation and effective utilization of exhaust gas energy. The company also has shortened lead-time to reach full load after engine start by 50 per cent, which contributes to enhance load-following capability.

In order to boost power generation efficiency, MHI redesigned the combustion chamber, including the cylinder cover and piston. By optimizing formulation of the fuel-air mixture, as well as improving the pre-chamber’s shape and fuel-air mixture ratio, the company has raised combustion efficiency and reduced thermal loss.

In developing the technology used to achieve these improvements, MHI applied results gained from Development of Technology for Ultra High-efficiency Natural Gas Engine Combined System, a joint development project under way since 2005 together with the New Energy and Industrial Technology Development Organization (NEDO) and the Japan Gas Association. Going forward, the new technologies employed in the MACH II-SI to enhance power generation efficiency will also be applied to existing MACH engines with the micro-pilot ignition system.

MHI conducted the testing of the actual MACH II-SI engine à‚— to confirm start-up performance, engine performance and control system à‚— last summer at the company’s Yokohama Machinery Works. As all targeted goals were achieved, the new engine has now progressed to the next stage of testing, including durability testing, toward final verification of its enhanced reliability.

MHI has delivered more than 150 units of the MACH gas engines, which were based on the KU30 diesel engine.

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