نتایج جستجو برای: electricity generation

تعداد نتایج: 391938  

2011
Yangfang Zhou Alan Scheller-Wolf Nicola Secomandi Stephen Smith

In the past decade wind-based electricity generation has grown rapidly, and is likely to grow even more in the future. Since generation sites—wind farms—tend to be remote, they require transmission lines to transport electricity to markets. These wind farms can be augmented by co-locating them with an electricity storage facility, for example, an industrial battery. This storage facility enable...

2017
J. DÖRING M. KOMENDANTOVA KLAWITTER

This chapter describes the eight electricity generation technologies considered in this publication by illustrating the basic principles behind each form of electricity generation, the conventional sub-types for each technology, as well as their common application and specific technological characteristics. Lastly, it will outline certain characteristics of power plants for each technology, whi...

2003
G. Pepermans

This paper starts from the observation that there is a renewed interest in small-scale electricity generation. The authors start with a survey of existing small-scale generation technologies and then move on with a discussion of the major benefits and issues of small-scale electricity generation. Different technologies are evaluated in terms of their possible contribution to the listed benefits...

2015
Bei Zhang Payman Dehghanian Mladen Kezunovic

This paper investigates the weather-driven performance of electricity markets in the operational time frame. Employing the probability distribution fitting approaches, weather impacts on power generation and electricity demand are modeled and assessed through processing large volume of historical data sets. Several novel weather-impact indices are proposed in this paper to evaluate the vulnerab...

2013
Rainer Friedrich Alfred Voss

Internalizing of external costs leads la a beller allocation of economic resources, and so to an improvement of welfare. However, if the external effects that can be quantified and monetized are added to the internal costs, the cost relations between different electricity generation systems are not necessarily changed. Of course, the underlying assumptions (like dose-response relationships) are...

2011
Yangfang Zhou Alan Scheller-Wolf Stephen Smith Nicola Secomandi

Managing power generation from wind is conceptually straightforward: generate and sell as much electricity as possible when prices are positive, and do nothing otherwise. However, this strategy leads to curtailment when wind energy exceeds the transmission capacity or when prices are negative, and possible revenue dilution when current prices are low but are expected to increase in the future. ...

Journal: :Applied and environmental microbiology 2009
Yifeng Zhang Booki Min Liping Huang Irini Angelidaki

Electricity generation from wheat straw hydrolysate and the microbial ecology of electricity-producing microbial communities developed in two-chamber microbial fuel cells (MFCs) were investigated. The power density reached 123 mW/m(2) with an initial hydrolysate concentration of 1,000 mg chemical oxygen demand (COD)/liter, while coulombic efficiencies ranged from 37.1 to 15.5%, corresponding to...

Intensified industrialization in developing countries has recently resulted in huge electric power demand growth; however, electricity generation in these countries is still heavily reliant on inefficient and traditional non-renewable technologies. In this paper, we develop an integrated game-theoretic model for effective power systems planning thorough balancing between supply and demand for e...

2011

 All electricity generation technologies emit greenhouse gases at some point in their life cycle and hence have a carbon footprint.  Fossil-fuelled generation has a high carbon footprint, with most emissions produced during plant operation. “Carbon capture and storage” could reduce these significantly, though this is unproven at full scale.  Nuclear and renewable generation generally have a ...

Journal: :Biotechnology and bioengineering 2008
Jung Rae Kim Yi Zuo John M Regan Bruce E Logan

Ammonia losses during swine wastewater treatment were examined using single- and two-chambered microbial fuel cells (MFCs). Ammonia removal was 60% over 5 days for a single-chamber MFC with the cathode exposed to air (air-cathode), versus 69% over 13 days from the anode chamber in a two-chamber MFC with a ferricyanide catholyte. In both types of systems, ammonia losses were accelerated with ele...

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