Gas Turbine Industrial Trent 60
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Gas Turbine Industrial Trent 60
Power Generation: 53.1 - 66.0 MW(e) / Mechanical Drive: 54.2 - 62.3 MW
The Siemens Industrial Trent 60 is the most advanced aeroderivative gas turbine available today. Delivering up to 66MW of electric power in simple cycle service, at 42 per cent efficiency, the Industrial Trent 60 has established a new benchmark for fuel economy and cost savings.
It also offers operators fast delivery and installation times and beneficial performance.
The Industrial Trent 60 is also available for onshore or offshore mechanical drive applications. The Industrial Trent 60 is ideally suited to meet the higher power, variable speed demands required by applications like natural gas liquefaction, gas transportation and gas injection for oil recovery.
The design flexibility of the Industrial Trent 60 allows the same engine that serves the power generation market to meet the needs of mechanical drive service with no design changes.
The Industrial Trent, which is the most powerful and efficient aero-derivative gas turbine, is used primarily in two important markets, power generation and oil and gas. Both markets value the ability of this product to generate clean, efficient electrical or mechanical power, which ever is desirable.
To enable the Industrial Trent to operate with very low emissions at maximum power a number of enabling technologies have been developed.
In order for the combustion system to operate with the lowest emissions it must operate at a specific flame temperature, balancing the generation of oxides of Nitrogen (NOx) with the generation of Carbon monoxide (CO). This is very difficult if fuel and air are injected (diffused) directly into the combustion chamber, and therefore a technology known as pre-mixing is utilised. The fuel and air are (pre) mixed to create a uniform mixture that, once it enters the combustion chamber, is ideal for complete low emissions combustion.
Achieving low emissions also brings the problem of combustion noise. Noise is generated when the flame in the combustor is operating very lean, where flame pertubations (oscillations) couple with the natural frequency of the surrounding components. A similar phenomena happens when a musical wind instrument is played, where the pertubations of the air blown into the mouthpiece couple with the natural frequency of the instrument. A passive damping technology addresses this destructive force, where dampers of specific natural frequencies literally ‘cancel out’ the force.
To enable the Industrial Trent to generate as much power as possible, an Inlet Spray Intercooling System injects clean water droplets into the compressor. As the water droplets continue through the compressor they ‘cool’ the air, which is beneficial for the engine thermodynamically. This is because the cycle requires much less energy to compress cooler air than hotter air, leading to more energy for the customer.
Spraying water droplets into the front of an engine that is rotating at up to 10000rpm can lead to significant damage, in the form of erosion. To address the issue of erosion we apply our expertise in aerodynamic design to strategically place water droplets in specific places in the compressor. In conjunction with its suppliers, we’re also developing various specialist coatings to counteract the destructive force of erosion, allowing for maximum power extraction.