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I. Introduction and Background In 2001 WLGA published a “snapshot” of the microturbine industry that provided an overview of the status of the microturbine industry, the opportunities for LP Gas and described some “what is good” and “what is not so good” about microturbines at that stage of their development. The second phase of the project was to provide some case studies, i.e., a brief overview of some actual in-use LP Gas microturbine applications. Those case studies begin on page 14 of this report along with the original “snapshot” so as to provide a single-source microturbine document. The five case studies are by no means a complete list of current or planned LP Gas microturbine applications. Rather, they are a cross-section of different type uses in three different countries: US, New Zealand and Japan. All of these applications use the Capstone unit since it is the only manufacturer with actual commercialisation to date. However, more manufacturers are either planning to introduce LP Gas versions of their units or have shown interest in doing so. A review of these manufacturers and their plans will be found at the end of this report. The purpose of this report is to provide WLPGA members • A primer on just what is a microturbine • A status report on the fast moving microturbine industry • A candid assessment of the benefits and barriers of the microturbine industry • Some examples where microturbine technology is actually delivering benefits to users, and • A listing of manufacturers and contacts Generally, we can conclude from this assessment that microturbines have overcome nearly all the technical hurdles common to developing any new product. The one remaining issue seems to relate to delivering adequate fuel vapour pressure to the power unit. Several approaches are discussed and options are being actively pursued. Microturbines often share the spotlight with fuel cells when discussing new technologies for power generation and heat. Both do essentially the same thing: they produce electricity, and the waste heat from combustion can be used for a variety of heating, cooling and drying needs. Fuel cells are quieter, have extremely low emissions and have the potential for great reliability. Microturbines, on the other hand, are available to the market today, have demonstrated very high efficiency, low NOx, and reliability seems to be meeting customer expectations. Like fuel cells, capital costs for microturbines are still higher than originally expected and must be brought down if they are to compete with conventional internal combustion engines. Unlike fuel cells, however, lowering the cost of microturbines is mainly a function of production volumes—the more units produced, the lower per unit cost. In the case of 3PDF Image | Glotec Global Technology Network LP Gas Use in Microturbine Applications
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