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Topic: Distributed power


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In the News (Sun 12 Feb 12)

  
  Distributed generation - Wikipedia, the free encyclopedia
Distributed generation is a new trend in electric power generation.
Distribution networks are a natural monopoly and are thus tightly regulated to ensure that they do not draw excess profits at the expense of the consumer.
While there is the potential for a major portion of the electrical power supply to come from decentralized power sources, significant issues remain limiting the widespread use of this technology, including billing and energy credits, generation control and system stability.
en.wikipedia.org /wiki/Distributed_generation   (950 words)

  
 Distributed generation -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-22)
Distributed generation is a new trend in (The product of voltage and current) electric power (Group of genetically related organisms constituting a single step in the line of descent) generation.
The concept permits the electricity "consumer", who is generating electricity for their own needs, to send their surplus electrical power back into the (A system of high tension cables by which electrical power is distributed throughout a region) power grid.
Some countries and regions already have a significant renewable power source in power grid-tied (A turbine that is driven by the wind) wind turbines and biomass combustion.
www.absoluteastronomy.com /encyclopedia/d/di/distributed_generation.htm   (1022 words)

  
 Electric power Article, Electricpower Information   (Site not responding. Last check: 2007-10-22)
Electric power, often known as power or electricity, involves the production and delivery of electrical energy in sufficient quantities to operate domestic appliances, office equipment, industrialmachinery and provide sufficient energy for both domestic and commercial lighting, heating, cooking and industrial processes.
The needfor additional power plants is primarily explained by Ohm's law : as lossesincrease in proportion to the square of the current, or load, and in proportion to the resistance, having long cable runs in theEdison system meant using dangerous voltages in some places, or expensive and large cables or both.
With Tesla and his patents, Westinghouse built a power system for a gold mine in Telluride, Colorado in 1891, with a water driven 100 horsepower (75 kW) generator powering a 100 horsepower (75 kW) motor over a 2.5 mile (4km) power line.
www.anoca.org /electricity/system/electric_power.html   (704 words)

  
 The Future of Small Scale Distributed Generation
Distributed generation (DG) has proven to be more efficient, but its cost has been prohibitive to this point.
The economics are further complicated by the fact that for most users electric power and heat are relatively minor parts of their overall operating budget.
The factors that could drive the variables in favor of small distributed power generation are those that force utilities to invest more heavily while leaving end-user choices unaffected.
ecmweb.com /news/electric_future_small_scale   (1504 words)

  
 Competitive Power Systems: Distributed Power
The first sub-project will focus on the broader issues regarding the structure (institutional, regulatory, etc.) of future distributed power industries with an emphasis on the economic and technological performance of alternative "architectures." An examination of alternative structures is necessary as different regions begin with different regulatory histories, institutional arrangements, and technological foundations.
This sub-project includes issues of technology and asset management associated not only with the dynamics and opportunities presented by restructuring itself, but also in the area of long-term, continuous improvement of distributed power, energy and information technologies, and their impact on the management and continuous improvement of the "lower voltage" industry.
The project is currently supported by ABB and involves ABB personnel from Corporate Research and Power T&D. ABB, and MIT's intent is to transform the current project into a consortium sponsored effort beginning in 2001.
web.mit.edu /energylab/www/cps/lowvoltage.html   (212 words)

  
 MSN Encarta - France
Royal power declined in the Middle Ages with the spread of feudalism, which distributed power among local rulers.
From the 14th to 18th century the power of the monarchy grew steadily as French kings and their ministers built a centralized bureaucracy and a large standing army.
The French government surrendered dictatorial power to Charles de Gaulle, a resistance leader during World War II, and invited de Gaulle to form a new government.
encarta.msn.com /encyclopedia_761568934/France.html   (1254 words)

  
 Distributed Power Needs Distributed Cooling
Distributed power architecture is now commonplace — with benefits that include enhanced circuit layout, design flexibility, and improved reliability through the elimination of a single point of failure.
Components such as power transistors and rectifiers, for example, may reach a higher temperature than the converter and lower its performance as a result of heat absorption.
Distributed load current is 4A for the 5V output and 10A for the 3.3V output.
powerelectronics.com /mag/power_distributed_power_needs/index.html   (1594 words)

  
 DISTRIBUTED POWER - a company dedicated to furthering the commercialization of distributed energy generation, ...   (Site not responding. Last check: 2007-10-22)
DISTRIBUTED POWER - a company dedicated to furthering the commercialization of distributed energy generation, alternative energy, fuel cells, and power inverters
Distributed Power is a company that is dedicated to furthering the commercialization of distributed energy generation by designing DC to AC power inverters for use with alternative energy generators such as fuels cells, photovoltaic arrays, and wind turbines.
The engineers at Distributed Power have over 30 years of combined experience designing power conversion systems ranging from 2 kW inverters to a one megawatt solar hybrid power plant.
www.getdp.com   (109 words)

  
 ..: Distributed Energy | Geneva, Illinois :..
Solar’s generator sets are used for industrial power generation applications, such as cogeneration, base-load electricity or emergency power for a wide variety of facilities including industrial/processing facilities, buildings and institutions, and distributed power plants.
Without the distributed energy system controlled and operated by the city, Geneva's annual power costs are projected to increase from the current (in 2002) cost of $12,316,000 (or $34.49/MWh) to $42,454,000 (or $66.99/MWh).
Power distribution efficiencies will be increased since the power source is much closer to potential customers and less prone to power losses through extended transmission lines.
www.forester.net /de_0311_geneva.html   (2964 words)

  
 Lab Notes: Research from the Berkeley College of Engineering
From the plains of Africa to the carports of this country, Berkeley professor Daniel Kammen is putting the power to generate renewable forms of energy into the hands of the people.
The idea behind the distributed power systems Kammen researches is to equip individuals, businesses, or neighborhoods with the technology to produce their own electricity instead of buying it from centralized power plants.
"Distributed systems are inherently more flexible, they're often cheaper, and they always provide more local control of power," says Kammen, professor in the Department of Nuclear Engineering, the Energy and Resources Group (ERG), and the Goldman School of Public Policy.
www.coe.berkeley.edu /labnotes/0103/kammen.html   (680 words)

  
 What Is Distributed Power?   (Site not responding. Last check: 2007-10-22)
Distributed power generation is any small-scale power generation technology that provides electric power at a site closer to customers than central station generation.
A distributed power unit can be connected directly to the consumer or to a utility's transmission or distribution system.
Distributed generation provides a multitude of services to utilities and consumers, including standby generation, peak shaving capability, baseload generation, or cogeneration.
www.distributed-generation.com /dpca/what.html   (134 words)

  
 New Rules Project - Democratic Energy - Interconnection Standards for Distributed Power
Distributed Generation Interconnection Tool Kit - a number of resources to help electric cooperatives address the legal, economic and technical issues raised by consumer-owned generation.
The objective is to establish minimum technical criteria and requirements for interconnection of distributed resources with the electricity delivery grid to achieve the ultimate goal of development of a uniform standard for electrical interconnections.
A regulatory proceeding in California addressing the distributed power interconnection issue was started at the California Public Utilities Commission (CPUC) as a result of the 1999 order (R.99-10-025).
www.newrules.org /electricity/interconnect.html   (1437 words)

  
 Amazon.com: Distributed Generation: The Power Paradigm for the New Millennium: Books   (Site not responding. Last check: 2007-10-22)
The Electric Power Research Institute estimates that 20 percent of all new power generation will use distributed, not centralized technologies.Distributed Generation: The Power Paradigm for the New Millennium is the first step to understanding the myriad issues that surround the newest, most significant trend in power production since the steam turbine.
Aims to give readers a basic understanding of the issues surrounding distributed generation, the substitution of centralized electricity production with smaller-scale technologies in or near natural gas or renewable resource power facilities.
The book reinforced my view that development of a robust distributed generation base sufficient to displace portions of the existing system is not necessarily a technology issue--nor necessarily a competitive issue; the businessplace and legislative mindset must change faster to deal with resource obstacles.
www.amazon.com /exec/obidos/tg/detail/-/0849300746?v=glance   (780 words)

  
 Distributed Generation, Distributed Resources, Distributed Energy Resources   (Site not responding. Last check: 2007-10-22)
Distributed generation (DG), distributed resources (DR), distributed energy resources (DER) or dispersed power (DP) is the use of small-scale power generation technologies located close to the load being served.
Updated to cover final corrected data through the end of 2003, the DG Monitor's 2005 Installed Base of U.S. Distributed Generation measures the total number of units, capacities, generation and thermal output by 19 size ranges.
The 2004 Potential U.S. Market for Distributed Generation report provides a rigorous and comprehensive assessment of economically viable market potential for 5 likely scenarios, and forecasts the total number of units, capacities, generation and thermal output for 18 size ranges, by technology, by application.
www.distributed-generation.com   (337 words)

  
 Distributed Energy   (Site not responding. Last check: 2007-10-22)
Distributed generation (DG) is a subset of distributed energy resources and distributed power.
The ruling addresses the valuation of distributed generation benefits, distribution system operation and planning, ownership and control of distributed generation, the need for distribution-only tariffs, net metering, rate design as it relates to distributed generation, and educational and consumer protection efforts.
It finds that properly considering the economic benefits of distributed electrical resources typically raises their value by a large factor, often approximately tenfold, by improving system planning, utility construction and operation (especially of the grid), and service quality, and by avoiding societal costs.
www.hawaii.gov /dbedt/ert/der.html   (1531 words)

  
 Artesyn Technologies - Distributed Power Architecture (DPA) front-ends
Artesyn is the world's leading supplier of power conversion solutions for systems that use distributed power architectures (DPA) and intermediate bus architectures (IBA).
For systems with low to medium power budgets, a number of the company’s standard ac-dc power supplies are perfectly suited to the task.
For higher power systems, Artesyn offers a number of special front-end ac-dc conversion solutions based on standard modular power modules, which can be configured to deliver up to 36 kW.
www.artesyn.com /powergroup/dpa_front-ends.htm   (290 words)

  
 Distributed Energy Resources
DER includes distributed power, heating, cooling and related technologies and electric and thermal storage and demand management.
The intent of the goal is to increase the efficiency of the nation's power generation system by insuring that at least 46 GW of electricity generation capacity added over the next 10 years comes from new CHP plants.
Power Parks are an integrated "systems approach" to delivering power when and where it is needed.
www.nemw.org /energy_der.htm   (2130 words)

  
 Azure Dynamics Incorporated: Distributed Generation   (Site not responding. Last check: 2007-10-22)
Distributed Generation (DG) refers to decentralized power generating units that provide electric power at the point of use to meet their customers' needs for high-quality, reliable on-site power.
DG applications Azure Dynamics has engineered include systems for auxiliary power distribution from stationary and mobile platforms, peak load shaving for intermittent and on-grid loads, restart modules for microturbines, emergency and standby power, generator control and battery charging.
Azure Dynamics designs and manufactures advanced power electronics components and sub-systems that can be integrated with distributed energy technologies for any application.
www.solectria.com /products/dg.html   (340 words)

  
 GE Infrastructure- Gas Engines
Our 0.3 to 3 MW power generation systems provide power to governments, privately-owned electric utilities, independent power producers and developers.
Type 3 stands out in its power range of 600 to 1,100 kW because of its technical maturity and reliability.
Combined heat and power (CHP) plants generate electricity and heat locally where needed.
www.gedistributedpower.com   (272 words)

  
 WorldChanging: Another World Is Here: Smart Energy Grids
"Electrical power is entering its greatest revolution in a century, one that compares to Thomas Edison's creation of the world's first electrical grids and George Westinghouse's origination of long-distance power transmission.
There, if we can get the price down enough, distributed energy and smart grids could do for power what cellphones have done for communications - leapfrog entire regions right over the 20th Century and into the 21st.
Just as a historical note; Edison's first power grids were exceedingly dangerous DC grids, and Westinghouses tri-phase AC was invented by Nikola Tesla.
www.worldchanging.com /archives/000198.html   (459 words)

  
 Fuel Cells 2000 : Information Resources : Fuel Cell Library
Powering The New Economy - Energy Accomplishments, Investments, Challenges - The report examines the accomplishments and challenges facing the U.S. energy market and specifically the role of fuel cells in the transportation and utility sector.
Distributed Power Program - explains the Distributed Power Program of the National Renewable Energy Laboratory, its activities, and provides information and news about barriers to distributed power, policies and regulations, technical interconnection issues and upcoming events.
Powering Light Boats - Paper by J.F. Affolter of Ecole d'ingenieurs du canton de Vaud, Centre d'Energie et Systemes Electriques, presented at the "Workshop on Application Potential of Low-Temperature Fuel Cells", 21 June 1999.
www.fuelcells.org /info/fclib.html   (11693 words)

  
 agglutinations.com
These relationships are important of course, but they are somewhat restrictive and carry too little of what the thing in its attachment really is. In fact, this position, which is the reiteration of political responsibility and social discourse, is actually apolitical.
I think that one of his important aspects is that he is – like me – said to be cynical, because he is not politically correct, in the sense of simply articulating the critical idiom.
On the other hand, the artifact lends itself less to the powers of subjective editing, because it is constrained by its inherent materiality.
www.agglutinations.com   (19072 words)

  
 Galaxy Power, Inc.   (Site not responding. Last check: 2007-10-22)
Galaxy Power designs and manufactures innovative DC/DC converters for distributed power and telecommunications applications.
The information contained in the Galaxy Power, Inc. web site is provided "as is" with no warranty, express or implied, including, without limitation, warranties of merchantability or fitness for a particular purpose.
Galaxy Power, Inc. assumes no liability for any loss or damage for errors or omissions on the web site, whether arising in contract, negligence, or otherwise.
www.galaxypwr.com   (158 words)

  
 Distributed Power Coalition of America   (Site not responding. Last check: 2007-10-22)
Founded in 1997, the Distributed Power Coalition of America (DPCA) closed in 2002.
If you are looking for a DG advocacy organization committed to advancing the use of distributed power, try PRASC.
If you want information about distributed generation technologies, applications, markets, and users, see distributed-generation.com.
www.distributed-generation.com /dpca   (76 words)

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