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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Small-Scale Wind Turbines: An Appraisal, Tony Kealy
Small-Scale Wind Turbines: An Appraisal, Tony Kealy
Conference Papers
This research seeks to evaluate the economic benefits to be gained by installing a small-scale wind turbine for a customer with a three-phase electrical supply requirement. The evidence for the claims made in this paper is obtained by using actual data obtained from the installed equipment over a three year period. The objective is to accurately appraise the financial investment using real data. There appears to be limited studies conducted into this type of research, possibly because the renewable energy sector is in the infancy stage in the host country, Ireland. There are some wind energy installations with financial appraisal …
Assessing The Benefits Of Compressed Air Energy Storage On The 2020 Irish Power System, Brendan Cleary, Aidan Duffy, Alan O'Connor, Michael Conlon, Vasilis Fthenakis
Assessing The Benefits Of Compressed Air Energy Storage On The 2020 Irish Power System, Brendan Cleary, Aidan Duffy, Alan O'Connor, Michael Conlon, Vasilis Fthenakis
Conference Papers
Power systems have evolved as countries implement energy policies focusing on energy efficiency and increased share of renewable energy sources (RES). At the forefront is non-dispatchable generation such as wind and solar. Traditionally power systems were designed for fully dispatchable generating plant. However, these powers systems are under additional pressure due to the variable operational characteristics of RES. Consequently, capital investments in grid reinforcement, interconnection, additional gas generators and smart grid initiatives have been proposed and implemented. Moreover, an increased interest in energy storage technologies has evolved due to their various economic and operational benefits to power systems. Current compressed …
Solar Photovoltaic Water Pumping For Multiple Use Systems (Mus) In Nepal, Fintan Mcloughlin, Aidan Duffy, Michael Conlon
Solar Photovoltaic Water Pumping For Multiple Use Systems (Mus) In Nepal, Fintan Mcloughlin, Aidan Duffy, Michael Conlon
Conference Papers
This paper investigates the performance of five solar photovoltaic (PV) Multiple Use Systems (MUS) used for water pumping. The solar MUS’s provide water for drinking, cleaning and micro-irrigation for some of the poorest communities in Nepal. In the absence of data logging, the performance of each system is investigated based on a series of rules of thumb to determine the predicted, expected and estimated demand and supply of water to small rural communities. The systems are compared based on their technical and economic performance and how this relates to local environmental, physical and socioeconomic characteristics at each location.
Anatomical Loading On A Uwb Antenna For Shoe Toe Box, Domenico Gaetano, Patrick Mcevoy, Max Ammann, C Brannigan, Louise Keating, Frances Horgan
Anatomical Loading On A Uwb Antenna For Shoe Toe Box, Domenico Gaetano, Patrick Mcevoy, Max Ammann, C Brannigan, Louise Keating, Frances Horgan
Conference Papers
A UWB 6.0-8.5 GHz monopole antenna for mounting on the toebox area of footwear is designed using a detailed model of a running shoe and a foot-shaped phantom. Variation of anatomical features between individual people gives rise to different proximity and permittivity loads on the antenna. To take account of environment, the antenna design optimization considers different proximity distances for impact on the reflection coefficient and on the radiation efficiency.
A Compact Shorted Printed Monopole Antenna For Tv White Space Trials, Matthias John, Max Ammann
A Compact Shorted Printed Monopole Antenna For Tv White Space Trials, Matthias John, Max Ammann
Conference Papers
This paper presents a compact shorted printed monopole antenna for machine-to-machine, remote sensing and rural wireless applications in the TV whitespace band from 470 MHz to 862 MHz. The antennas performance in this operating band is demonstrated.