GE Oil & Gas MS5002E A state-of-the-art heavy duty Gas Turbine g
MS5002E Gas Turbine 2 SRL C e nt r i fu g a l Co mp resso r
The MS5002E is the latest addition to the GE Oil & Gas family of gas turbines. This machine was developed in response to customer demand for a gas turbine in the 32 MW range with high efficiency, availability and reliability, and low environmental impact.In order to guarantee high reliability and availability, the MS5002E has a conservative firing temperature with respect to the state-of-the-art.
Compressor are horizontally split for on-site maintenance. The air inlet casing supports Bearing #1, a combined tilting-pad journal and thrust bearing. The casing materials are cast iron for the inlet case, nodular cast iron for the intermediate case, and cast steel for the compressor discharge case. The compressor is an 11-stage, high pressure ratio (17:1), axial flow design scaled-up directly from the GE10 gas turbine.
HP turbine The axial flow, two-stage reaction type HP turbine was designed to deliver high efficiency over a broad power range. It consists of two turbine wheels, first and second stage turbine nozzle assemblies, and turbine casings. Both stages of HPT nozzles are air cooled by compressor discharge air flowing through each vane. Both stages of HPT buckets are cooled by compressor air flowing through the dovetail and shanks into the buckets.
Testing and validation Mechanical drive test Extensive testing and validation of the MS5002E was previously carried out by GE Oil & Gas in its facilities in Massa (Italy) including a complete prototype test and validation of the overall system (engine and auxiliaries). The test plan covered all critical operating phases (pre-start, crank, idle, diffusion full load, premixed full load, DLN tuning, LP turbine mapping, etc.) to cover all aspects necessary for validation of the design.
References The first commercial order for the MS5002E was awarded by the Yara Sluiskil Company for a fertilizer plant in The Netherlands. The unit was put into operation in October 2007, in a 24/7 power generation duty cycle, with full customer satisfaction. The YARA site results confirm the robustness of the design, with power and efficiency above guarantees and emissions always below 15 ppm NOx (single digit at partial load).
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