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seminar projects crazy
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30-01-2009, 04:04 PM

Distributed generation also called distributed energy or Onsite Generation, is a new trend in the generation of heat and electrical power. The Distributed Energy Resources (DER) concept permits "consumers" who are generating heat or electricity for their own needs to send surplus electrical power back into the power grid also know as net metering or share excess heat via a distributed heating grid. Distributed generation systems with Combined Heat and Power (CHP) systems can be very efficient, using up to 90% of the fuel they consume. CHP can also save a lot of money and fuel. Estimates are that CHP has the potential to reduce the energy usage of the USA by up to 40%. The CHP system installed at Saddleback Community College in San Diego , CA is estimated to produced a monetary savings of 11.2 million dollars over the next 15 years.
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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09-08-2009, 07:25 PM

can i have the full report regarding this topic. tnx in advance..

if it's possible, can you just send it here in my inbox for easy access.. tnx again..


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11-08-2009, 04:27 PM

can you send me the full report of this topic...
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14-08-2009, 03:30 PM

send me the full report so that i can understand the topic well...
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23-08-2009, 04:56 PM

could ypou plese send me the report or some more detail about this topic
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30-08-2009, 03:52 AM

can you send the full report of this seminar and presentation topic 'DISTRIBUTED GENERATION' .
ok i'll be waiting for ur response. Hava a good day

mechanical engineering crazy
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30-08-2009, 04:50 AM

use this link to follow
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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28-04-2011, 10:10 AM

.pptx   distributed gen-aparna.pptx (Size: 2.44 MB / Downloads: 99)
WhaT is Distributed Energy Resources (Distributed Generation)?
Distributed Generation (or DG)refers to small-scale(typically1KW-50MW)electric power generators that produce electricity at a site close to customers or that are tied to an electric distribution system
Centralised generation:
Currently, developing countries generate most of their electricity in large centralized facilities, such as fossil fuel(coal, gas powered) nuclear or hydropower plants
plants are built according to a number of economic, health & safety, logistical, environmental, geographical and geological factors.
usually transmit electricity long distances and can affect to the environment.

Efficient Clean fossil-Fuels Technologies
2.Fuel Cells
Environmental Friendly Renewable Energy Technologies
2.Solar/Photovoltaic Array
3.Small Wind Turbines
4.Hydro Turbines
21st Century -likely to be the century of the fuel cell, and as a result fuel cells will revolutionize the way to currently generate electric power offering the prospect of supplying the world with clean, efficient, sustainable electrical energy because they use hydrogen as a fuel.
A fuel cell is defined as an electrical cell, which unlike other storage devices can be continuously fed with a fuel in order that the electrical power can be maintained.
The fuel cells convert hydrogen or hydrogen-containing fuels, directly into electrical energy, heat, and water through the electrochemical reaction of hydrogen and oxygen.
FUEL CELLS(Electrochemical Devices
FC is a device used to generate electric power and provide thermal
energy from chemical energy through electrochemical processes.
Acts like a battery supplying electric energy as long as its fuels are continued to supply.
Unlike batteries, FC does not need to be charged for the consumed materials during the electrochemical processing as these materials are continuously supplied.
FC is a well-known technology from the early 1960s when they were used in the Modulated States Space Program and many automobile industry companies. Later in 1997, the US Dept of Energy testedgasoline fuel for FC to study its availability for generating electric power.
FC capacities vary from kW to MW for portable and stationary units.
Configuration of the fuel cell system
Advantages of fuel cells
Low Emissions
High Efficiency
High cost
limited field test experience,
low temperature waste heat may limit cogeneration potential
Solar PV:-
most versatile renewable technology with varied applications.
basic unit of PV is a cell may be round or square in shape, made of doped silicon crystal.
Cells are connected to form a module or panel and modules are connected to form an array to generate the required power.

WT is not a new form it has been used for decades.
consists of a rotor, turbine blades, generator, drive or coupling device, shaft, and the nacelle (the turbine head) that contains the gearbox and the generator drive.
Modern WT can provide clean electricity as individuals or as wind farms.
wind rotates the windmill-like blades, which in turn rotate their attached shaft.
shaft operates a pump or a generator that produces electricity.
The energy characteristics of larger wind turbine farms are closer to the centralized energy sources.
Small WT(working as modules) can be combined with PV and battery systems to serve area of 25–100kW.
Low cost energy
No harmful emissions
Minimal land use
No fuel required
Variable power output due to the fluctuation in wind speed
Location limited
Bird mortality
Islanding is the situation in which a distribution system becomes electrically isolated from the remainder of the power system, yet continues to be energized by DG connected to it, known as micro-grid.
Current practice is that almost all utilities require DG to be disconnected from the grid as soon as possible in case of islanding.
Islanding can be intentional or non intentional.
no uniform national interconnection standards addressing safety, power quality and reliability for small distributed generation systems.
Interconnection may involve communication with several different organizations
The environmental regulations and permit process that have been developed for larger distributed generation project and implimentations make some DG project and implimentations uneconomical.
The promise of a future world dominated by rapid population growth and unparalleled energy demand presents many challenges to the global energy industry and indeed society as a whole. Increased electrification will be central to future world energy development. The distributed generation concept offers many advantages over established electricity generation infrastructures and will play a major role in the provision of world energy needs.
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to get information about the topic osmotic power generation full report,ppt and related topic refer the link bellow




praveen varghese
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11-02-2012, 08:22 AM

pls can u send me the full report of distributed generation to my mail
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to get information about the topic DISTRIBUTED GENERATION full report ,ppt and related topic refer the link bellow







seminar and presentationproject and implimentationsattachment.php?aid=16598


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04-09-2012, 01:17 PM


.pdf   DISTRIBUTED.pdf (Size: 614.55 KB / Downloads: 63)


Increased demands on the nation's electrical power systems and incidences of electricity shortages, power quality problems, rolling blackouts, and electricity price spikes have caused many utility customers to seek other sources of high-quality, reliable electricity. In such a scenario , the approach of distributed generation , which involves the production of electricity close to the end users of power , has come up as an alternative to , or an enhancement of the traditional electrical power grid. Distributed generation may be defined as the installation and operation of small modular power generating technologies that can be combined with energy management and storage systems. This system can employ a range of technologies – from renewable to non-renewable and can operate in either a connected grid or in off-grid mode. The technologies which adopt renewable resources have struck a chord with the environmental advocates as well. Thus, this approach has been gaining popularity across the world, from the modernised cities of developed nations like the United States of America to the very remote areas of developing nations like India. This paper aims at presenting the various facets of Distributed Generation , from its history to its present-day applications. The various Distributed Energy Resources (DERs), their costs , their interconnection and incentives taken by the government with regard to the installation of distributed generation systems have also been discussed.


Conventionally, in most of the countries across the world, power is generated in suitable power production units known as power plants or electrical power generating stations. Depending upon the form of energy converted into electrical energy, the generating stations have been categorised as- diesel, steam, nuclear, hydroelectric and solar power plants. In this model of power generation through centralised power stations, a large amount of energy is lost is transmitting power from the generating centre to the consumers over large distances.
The concept of distributed generation has come up as an alternative approach to power generation, with the aim of minimising, or totally eliminating, the losses caused during transmission. Under this approach, power is generated at or near the load centres. It employs small-scale technologies to produce electricity close to the end users of power. The power produced using these technologies ranges from a fraction of a kilowatt to about 100 megawatts (MW), with a very little reliance on the main distribution and transmission grid. A distributed generation system can operate in a connected grid or off-grid mode. It can thus provide an alternative to or an enhancement of the conventional electrical power grid.
Distributed generation is a faster, less expensive option to the construction of large, central power plants and high-voltage transmission lines. They offer consumers the potential for lower cost, higher service reliability, high power quality, increased energy efficiency, and energy independence. . The use of renewable distributed energy generation technologies and "green power" such as wind, photovoltaic, geothermal, biomass, or hydroelectric power can also provide a significant environmental benefit. These Distributed energy resources(DERs) have been described in the succeeding chapters.


A reciprocating engine, or piston engine, is a heat engine that uses one or more reciprocating pistons to convert pressure into rotating motion.. Reciprocating engines, developed more than 100 years ago, were the first among Distributed Generation technologies. Both Otto (spark ignition) and Diesel cycle (compression ignition) engines have
gained widespread acceptance in almost every sector of the economy. Smaller engines are primarily designed for transportation and can usually be converted to power generation with a little modification. Larger engines are most frequently designed for power generation. A generator is attached to the IC engine to convert the rotational motion into power. They are available from small sizes (e.g., 5 kW for residential back-up generation) to large generators (e.g., 7 MW).
Reciprocating engines for distributed can be fuelled by diesel or natural gas with varying emission outputs. Almost all engines used for power generation are four-stroke and operate in four cycles (intake, compression, combustion, and exhaust). The process begins with fuel and air being mixed. In turbocharged applications, the air is compressed before mixing with fuel. The fuel/air mixture is introduced into the combustion cylinder and ignited with a spark. For diesel units, the air and fuel are introduced separately with fuel being injected after the air is compressed.


Conventional combustion turbine (CT) generators are a very mature technology. They typically range in size from about 500 kW up to 25 MW for Distributed Energy Resources. Units from 1-15 MW are generally referred to as industrial turbines (or sometimes as miniturbines), which differentiates them both from larger utility grade turbines and smaller microturbines. Modern single-cycle combustion turbine units typically have efficiencies in the range of 20 to 45% at full load. Efficiency is somewhat lower at less than full load. Historically, they were developed as aero derivatives, spawned from engines used for jet propulsion. Some, however, are designed specifically for stationary power generation or compression applications in the oil and gas industries. Multiple stages are typical and along with axial blading differentiate these turbines from the smaller microturbines.


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