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Gas Turbine Generator Set refer to the power generation device that uses combustible liquid or gas as fuel to drive alternator with gas turbine as prime mover, and convert mechanical energy into electric energy and thermal energy. It consisted of gas turbine, alternator and control system.
Gas turbine refers to a kind of power device that drive the impeller rotating at high-speed with the gas or liquid fuel as a medium, turn the fuel chemical energy into mechanical energy. in fact, the gas turbine is a rotary vane type of heat engine.
Classification of Gas Turbine Generator Sets
1. Two categories as the following classified by their industrial usage:
1.1. Light-duty gas turbine, also known as Aero-derivatives, is a type of gas turbine (industrial and marine) that is modified from aero engines and is mainly used for mechanical drive and small power plants;
1.2. Industrial heavy-duty gas turbine is an industrial heavy-duty gas turbine developed following the traditional steam turbine concept, used for mechanical drive and large-scale power plants.
2. According to power output, it can be divided into the following three categories:
2.1. Small gas turbine gensets (between 1-4 MW), The smaller sized of these gas turbines in many cases have centrifugal compressors driven by radial inflow turbines, the larger sets in this range are usually axial-flow compressors sometimes combined with a centrifugal compressor at the last stage, and are operated by axial turbines;
2.2. Medium-sized gas turbine gensets (between 5-50 MW), these are a combination of aeroderivative and frame type turbine gensets. These gas turbine generator sets have axial-flow compressors and axial-flow turbines;
2.3. Large power gas turbine generator sets (between 50-600 MW), these are frame type gas turbine generator sets. The large gas turbine generator sets are operating at very high firing temperatures of about 1315 °C with cooling provided by steam, at pressure ratios approaching 35:1.
The Gas turbines can be widely used in petroleum, chemical, steel, biosynthesis, IGCC, distributed energy and other areas of power production and compressor drive, Can adapt to various fuels run on demand in high, medium and low different heating value range. Compared with the steam turbine generator set, the structure of gas turbine generator set, is relatively simple, less auxiliary equipment, thus the investment, covers an area of, with lower cost of power generation. Gas turbine has the advantages of small volume, light weight, quick start, cooling water little.
Soar Group can provide main and auxiliary equipment of gas turbine power plant, and the follow-up service include installation, commissioning, training and after-sales maintenance services. Of course we can also provide power plant EPC service and other diversified solutions. For more power plants information, please vist our website: Power Plant.
