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Topic: Microturbines


In the News (Sat 26 Dec 09)

  
  WBDG: Microturbines
Microturbines are a relatively new distributed generation technology being used for stationary energy generation applications.
Microturbines are small combustion turbines approximately the size of a refrigerator with outputs of 25 kW to 500 kW.
Most microturbines are comprised of a compressor, combustor, turbine, alternator, recuperator (a device that captures waste heat to improve the efficiency of the compressor stage), and generator.
www.wbdg.org /design/microturbines.php   (1885 words)

  
  Microturbines...
Called microturbines, they are small, high-speed generator power plants that include the turbine, compressor, generator, all of which are on a single shaft as well as the power electronics to deliver the power to the grid.
Microturbines have only one moving part, use air bearings and need no lubricating oil.
A modified microturbine capable of operating on biogases could not only use dead and diseased forest matter, but similar materials from wildlands, orchards and crops as well as gases from animal manure and landfills.
www.westbioenergy.org /july98/0798_06.htm   (668 words)

  
 Distributed Energy Program: Microturbines
Microturbines are small combustion turbines approximately the size of a refrigerator with outputs of 25-500 kW.
Microturbines can also be classified as simple-cycle or recuperated.
Because of their compact size, relatively low capital costs and expected low operations and maintenance costs, and automatic electronic control, microturbines are expected to capture a significant share of the distributed generation market.
www.eere.energy.gov /de/microturbines.html   (529 words)

  
 Calnetix
Microturbines are a reliable, cost-effective on-site power generating units using natural gas, diesel, and a variety of other liquid and gaseous fuels.
Microturbines are small combustion turbines approximately the size of a refrigerator with outputs of 25 kW to 500 kW.
Because of their compact size, relatively low capital costs, and expected low operations and maintenance costs, automatic electronic control, microturbines are expected to capture a significant share of the distributed generation market.
www.calnetix.com /microturbines.cfm   (294 words)

  
 Distributed Energy Resources Guide: Microturbines
Microturbines are small combustion turbines that produce between 25 kW and 500 kW of power.
Microturbines were derived from turbocharger technologies found in large trucks or the turbines in aircraft auxiliary power units (APUs).
Recuperated microturbines, which recover the heat from the exhaust gas to boost the temperature of combustion and increase the efficiency, and
www.energy.ca.gov /distgen/equipment/microturbines/microturbines.html   (199 words)

  
 MicroTurbines
Microturbines generate electricity by burning natural gas or another fuel to produce pressure that turns a shaft.
Microturbines bring us closer to the realization of a net-zero energy home--a home that produces as much or more energy than it uses.
The current initial cost of microturbines is a factor, especially compared to other alternatives such as connecting to the grid or other distributed technologies.
www.pathnet.org /sp.asp?id=8961   (572 words)

  
 Technology Review: Little Engines That Can
Commercially available for only about three years, microturbines are small combustion turbines that consume natural gas or a variety of other fuels to produce 25 to 250 kilowatts of power.
He says companies producing microturbines have concentrated on selling them into niche applications where customers are looking to save money on their electric bills and be assured of reliable, uninterrupted power.
Microturbines by Guest (Edward Epperly) 01/06/2006 3:31 PM Interesting, and may present some solutions to my employer.
www.technologyreview.com /articles/wo_harney021104.asp?trk=nl   (778 words)

  
 Microturbines
Microturbines are small turbines for generating electricity using a variety of fuels including natural gas.
Microturbines can be linked together to provide larger electric generation capacity and can be equipped with internal modems for remote monitoring, control, and diagnostics.
Microturbines are usually rated in gross electricity output at ISO conditions (59°F, sea level).
www.socalgas.com /business/powergeneration/mt_overview.shtml   (359 words)

  
 EPA Global Warming Site: Inside the Greenhouse - New York Wastewater Projects Reap Climate Benefits   (Site not responding. Last check: 2007-10-17)
Although microturbines are not as efficient as fuel cells, they have low criteria pollutant emissions and using ADG to fuel them also provides a climate change benefit.
Microturbines can operate on a lean mixture of air to fuel, thereby lowering combustion temperature and reducing the creation of nitrogen oxides.
Microturbines also reduce unburned hydrocarbon fuel and carbon monoxide levels by providing good air and fuel mixing in the combustion chamber.
www.epa.gov /globalwarming/greenhouse/greenhouse17/benefits.html   (1115 words)

  
 ..: Distributed Energy | Microturbines Provide Big Potential With Opportunity Fuels :..   (Site not responding. Last check: 2007-10-17)
Microturbines are smaller versions of the megawatt machines widely used in large distributed-energy installations.
Recuperated microturbines recover heat from the exhaust gas to boost the temperature of combustion and increase efficiency.
Because the oxygen content of the microturbine exhaust is so high, it would not impact mixing and combustion in the flare, nor would it affect the operation of the LFGTS; nonetheless, there were problems.
www.forester.net /de_0401_microturbines.html   (3347 words)

  
 Building Operating Management: Minipower plants: Microturbines draw interest
Microturbines are no silver bullet for facility power needs, but they can serve a valuable purpose.
Microturbines are only a little less threatening to global warming than other on-site power sources.
But microturbines emit about as much carbon dioxide in pounds per kilowatt-hour as does an on-site diesel generator or a coal-fired power plant, and about twice as much as a fuel cell.
www.findarticles.com /p/articles/mi_qa3922/is_200003/ai_n8881982   (762 words)

  
 UL | Microturbines
Microturbine and Engine Generator products are electricity-producing assemblies typically located at or near the point of use.
In other applications, microturbines and engine generators are located off the grid in rural and remote areas where they provide the sole source of power (prime or continuous), or operate in combination with other sources such as photovoltaic or wind turbine installations.
In addition, the turbine engines now being coupled to high-speed generators in microturbine applications are from the same family of small jet engines that have been employed in the military and transportation industries for the past 50 years.
www.ul.com /dge/microturbines   (306 words)

  
 Elliott Microturbines - Cogeneration - Combined Heat and Power
Elliott Energy Systems, Inc. is a premier manufacturer of Microturbines for use in distributed generation, combined heat and power (CHP), biogas and offshore applications.
Our 100 kW Microturbine has a robust and efficient design, the product of over ten years of research, development and testing.
High availability and low maintenance costs make Microturbines the right choice for medium to high capacity co-generation projects.
www.elliottmicroturbines.com   (166 words)

  
 General Motors Employs Capstone MicroTurbines as Part of Environmental Program in California
Energy cost savings from Capstone MicroTurbine installations at participating GM dealerships are conservatively anticipated to be at least 15 percent, including natural gas costs.
Capstone MicroTurbines -- which have only one moving assembly and use no oil, lubricants or coolants -- can serve as primary power, add capacity and conserve grid power particularly during peak demand periods.
In 1998, Capstone was the first to offer commercial power products utilizing microturbine technology, the result of more than 10 years of focused research.
www.theautochannel.com /news/2001/11/05/032038.html   (1056 words)

  
 Exell Ltd   (Site not responding. Last check: 2007-10-17)
Microturbines have been used in many different applications since the mid to late 1960's.
Microturbines are being installed in many distributed generation applications allowing end-users to better manage their energy costs.
Elliott Microturbines developed a high-speed alternator, mounted on the turbine shaft, to increase the electrical efficiency of the turbine and reduce maintenance costs.
www.exell.ltd.uk /what_microturbine.htm   (178 words)

  
 Achieving Power Quality with Microturbines
Microturbines are compact generators of electricity and heat.
Harbec's microturbine system is air-cooled, and the single rotating assembly rides on patented air-foil bearings, minimizing component wear and maintenance and eliminating liquid lubricants, coolants, and related subsystems.
Currently, transferring from primary microturbine power to utility power is a manual operation, but the system offers a dual-mode controller option that allows automatic transfers from microturbine to utility power and back again.
www.powerquality.com /mag/power_achieving_power_quality   (1131 words)

  
 Pint-Sized Power Producers - Microturbines in the New Energy Economy
Today's microturbines are currently about 25% to 30% efficient, but by the end of 2006, their efficiency could hit 40%.
The microturbines are tied into the utility in parallel and continuously produce on-site power to meet the landfill's needs.
Unlike microturbines, which are the size of refrigerators, the 60,000-lb unit is 30 ft long, 10 ft wide and 12 ft tall.
ecmweb.com /mag/electric_pintsized_power_producers   (2796 words)

  
 MicroTurbines
Microturbine can also produce each kilowatt of electricity with fewer smog-producing emissions than all but the very latest natural gas-fired utility plants.
Microturbines also can be used for new homes and thus have implications on the Whole-House and Building Process Re-design Roadmap.
Microturbines bring us closer to the realization of a net-zero energy home - a home that produces as much or more energy than it uses.
www.newportpartnersllc.com /IRT_MicroTurbines.html   (760 words)

  
 CSU Newsline - Microturbines Provide CSUN Students with Real-World Experience and Save the Campus Energy   (Site not responding. Last check: 2007-10-17)
In addition to saving the campus energy and money, the microturbines are providing an opportunity for upper division engineering students to get some hands-on experiences in studying energy and the environment.
Fox said the microturbines provide the perfect opportunity for students to take what they are learning in textbooks and apply it to real-world situations.
The six microturbines, which are about the size of a refrigerator and look surprisingly like the hard drive of a personal computer, generate 30 kilowatts each.
www.calstate.edu /newsline/Archive/01-02/011024-Nor.shtml   (478 words)

  
 NYPA and Lewiston Dedicate Pioneering Microturbine Operations at Wastewater Facility; Event Marks First Anniversary of ...
This microturbine project is in line with the Governor’s executive order, which also encouraged local governments to pursue similar goals and authorized NYPA and other state agencies to assist municipalities.
The microturbines replaced a less-efficient diesel generator which was at the end of its useful life.
Microturbines are small turbo-generators (combustion turbine devices) fueled in a number of ways, including the use of anaerobic digester gas (ADG) which is a “free fuel” produced through sewage treatment plant operations like those at Lewiston.
www.nypa.gov /press/2002/020615a.htm   (748 words)

  
 Distributed Energy Program: Microturbines
The Advanced Microturbine Systems Program Plan for Fiscal Years 2000 Through 2006 (PDF 1.3 MB) outlines proposed activities to develop advanced microturbine systems for distributed energy applications.
The Advanced Microturbine Program is a 6-year program for fiscal years 2000-2006 with a government investment of more than $60 million.
The project is developing a simulator/model to mimic actual performance characteristics of a microturbine and validate simulators at actual utility sites using data from commercial microturbines.
www.eere.energy.gov /de/microturbines   (671 words)

  
 Microturbines op biogas in Antioch Community High School   (Site not responding. Last check: 2007-10-17)
Elke microturbine drijft een elektriciteitsgenerator aan met een vermogen van 30 kW.
De hete rookgassen van de microturbines worden gebruikt voor de verwarming van de schoolgebouwen.
De microturbines kunnen het biogas, een mengsel van methaan en koolzuurgas, zonder voorbehandeling verwerken.
www.energieprojecten.nl /print_antioch.htm   (372 words)

  
 Vision Engineer - Microturbines   (Site not responding. Last check: 2007-10-17)
Microturbines are small gas turbines used to generate electricity.
The small size of microturbines is a major advantage that allows them to be situated right at the source of electricity demand.
At present, the main draw back of microturbines is the limit to the number of times that they can be started up and shutdown.
www.visionengineer.com /mech/microturbines.shtml   (190 words)

  
 Capstone MicroTurbines Exceed 3 Million Operating Hours Worldwide; Documented Runtime of Onsite Energy Systems ...   (Site not responding. Last check: 2007-10-17)
Microturbine power systems manufacturer Capstone Turbine Corporation today confirmed it has documented nearly three million hours, or about 342 years, of aggregated runtime among its microturbine systems operating in North America and overseas.
Capstone MicroTurbines are used by a variety of commercial, industrial and municipal facilities to generate power and heat for onsite use.
Although they can fill backup power needs during flouts, Capstone MicroTurbines are largely used in primary power applications, in which they are set to run anywhere from 8 to 24 hours daily.
www.livepowernews.com /stories/1210/055.htm   (375 words)

  
 News: EMCON/OWT Signs Agreement with Capstone Turbine Corporation to Distribute Microturbines | News release about ...   (Site not responding. Last check: 2007-10-17)
The Capstone MicroTurbine has just one moving part, uses no oil, lubricants or coolants and is designed to operate at full load 24 hours a day, 365 days a year.
Capstone MicroTurbines are not subject to such limitations, since they emit extremely low levels of nitrogen oxides.
The biogas industry is a significant market for the microturbine because it uses as fuel gases that are otherwise flared into the atmosphere.
www.emconinc.com /news/010618.asp   (587 words)

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