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ABSTRACT Introduction Microturbines can be used as efficient decentralized power generators in combination with heat supplies, thus realizing significant energy savings and emission reduction. The benefits of microturbines are high power density (output power vs. dimensions), high reliability, long lifetime, low emissions, low maintenance and fuel diversity. Aim The aim of this project is to solve some problems in the field of fitting microturbines into applications. This has led to the development of peripherals, suitable in microturbine areas, by Gasunie Engineering & Technology (GET), on the commission of Gasunie Trade & Supply, Dutch Ministry of Housing, Spatial Planning and the Environment and some manufacturers. The equipment developed will expand the utilisation of microturbines in certain areas. High Efficiency Small Scale Heat Exchanger For cases in which hot liquid media are needed (e.g. water) and limited line-up space is available, a small scale heat exchanger has been developed. Gasunie Engineering & Technology has developed a cheap highly efficient small scale heat exchanger for existing Capstone microturbines, suitable for redesign for other types of microturbines. With Capstone microturbines, an overall efficiency of at least 83% (based on 70/90 °C water system) can be achieve d. Capstone Gas Safeguard Module In Europe, Capstone microturbines have to deal with additional standards regarding gas safety issues. In cooperation with the safety department of N.V. Nederlandse Gasunie and a manufacturer, Gasunie Engineering & Technology has developed a Gas Safeguard Module meeting these additional standards on European gas safety. This Gas Safeguard Module can also be adjusted to other types of microturbines. High Efficiency Natural Gas Compressor (Ex) Commercially available natural gas compressors for microturbines (< 100 kWe) for inlet pressures of 25 mbar are not efficient enough (electrical power consumption > 3 kWe at full load gas flow of Capstone 30 kWe microturbine) or oversized (e.g. Compare V04G) or too expensive. The Capstone 30 kWe NG LP with internal foil bearing rotating flow compressor (FB RFC) was tested by Gasunie Engineering & Technology on Groningen-gas (G-gas) of 25 mbar, but only delivered approx. 24 kWe of electrical power to the grid. In cooperation with a compressor manufacturer, Gasunie Engineering & Technology has developed a reliable high efficiency natural gas compressor (Ex) for Capstone microturbines on Groningen-gas (or similar). Conclusion Some peripheral equipment has been developed and demonstrated to function properly in the field of microturbine applications based on Capstone microturbines. These peripherals are a high efficiency small-scale heat exchanger, a safeguard module and a high efficiency natural gas compressor (Ex). Gasunie Engineering & Technology and some manufacturers are currently discussing the development of commercially available applications.PDF Image | DEMONSTRATION OF CAPSTONE MICROTURBINES INCLUDING HIGH EFFICIENCY HEAT EXCHANGER, GAS SAFEGUARD MODULE AND NATURAL GAS COMPRESSOR, DEVELOPED BY GASUNIE ENGINEERING & TECHNOLOGY
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DEMONSTRATION OF CAPSTONE MICROTURBINES INCLUDING HIGH EFFICIENCY HEAT EXCHANGER, GAS SAFEGUARD MODULE AND NATURAL GAS COMPRESSOR, DEVELOPED BY GASUNIE ENGINEERING & TECHNOLOGYOriginal File Name Searched:
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