| Know the Geothermal Power Plant Technology |
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| Monday, 24 May 2010 08:27 | |||||||||
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Generator which is used to convert geothermal fluid to electric power in general have components in common with other power plants that are not based geothermal, which is composed of generator, to drive a turbine generator, heat exchanger, chiller, pumps, and so forth. Currently there are three types of geothermal power plant technologies (geothermal power plants) that can convert geothermal energy into electrical power source, a range of dry steam, flash steam and binary cycle. The third kind of technology is basically used in different conditions. 1. Dry Steam Power Plants Generating this type is the first time there. In this type of steam heat (steam) is directed to the turbine and generator to enable the work to produce electricity. Residual heat coming from the production well flowed back into the reservoir through the injection well. The oldest type of plant is the first time used in Lardarello, Italy, in 1904 which is still functioning properly. In the United States was still in use Dry steam power like in geysers, Northern California. 2. Flash Steam Power Plants Geothermal fluid for example in the form of natural hot water (hot springs) on the temperature of 1750 C can be used as a source of generating Flash Steam Power Plants. The hot fluid dialir a flash tank into a lower pressure is resulting in rapid heat steam. Steam heat is what is called flash drives turbines to turn generators which then produce electricity. Heat remaining unused inbox while returning to the reservoir through the injection well. Examples of Flash Steam Power Plants were Cal-Energy Navy I flash geothermal power plants in the COSO Geothermal Field, California, USA. 3. The Binary Cycle Power Plants (BCPP) BCPP using different technologies with both the previous technology of dry steam and flash steam. In BCPP hot water or steam heat emanating from the production wells (production well) never touch the turbine. Geothermal water is used for heating the so-called working fluid in the heat exchanger. Working fluid and then into heat and steam to produce a flash. Steam generated in the heat exchanger was then flown to rotate the turbine and then move the generator to produce electrical power source. Steam heat generated in the heat exchanger is known as secondary (binary) fluid. Binary Cycle Power Plants is actually a closed system. So nothing is released into the atmosphere. The advantages of the BCPP is capable of operating at low temperature is 90-1750C. Examples of application of this technology BCPP type in Mammoth Pacific binary Geo-Thermal Power Plants in the Casa Diablo geothermal field, USA. It is estimated that geothermal power plants would be more widely used BCPP future. Especially for binary cycle geothermal power plants, BPPT has designed, built and tested a prototype of Binary Cycle Geothermal Power 2KW capacity using hydrocarbon fluid as f1uida works. Also a friend had planned activities Small Scale Geothermal Power Development 2010-2014 which includes two main activities, namely, the development of Binary Cycle Geothermal Power Plant with a capacity of 1 MW (target 2014) through the prototype stage 2KW (2008) and pilot project 100KW (2012), and the development PLTP condensing turbine technology with a capacity of 2-5 MW (2011 and 2013). [esdm] www.tenderoffer.biz
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