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Full-Text Articles in Social and Behavioral Sciences
Power Quality Emission Assessment Of Photovoltaic Inverters Based On Iec Technical Report 61000-3-15:2011, Devinda Perera, Philip Ciufo, Lasantha G. Meegahapola, Sarath Perera
Power Quality Emission Assessment Of Photovoltaic Inverters Based On Iec Technical Report 61000-3-15:2011, Devinda Perera, Philip Ciufo, Lasantha G. Meegahapola, Sarath Perera
Dr Philip Ciufo
The International Electrotechnical Committee Technical Report IEC 61000-3-15:2011 provides electromagnetic compatibility requirements and test conditions for distributed generators up to 75 A per phase. In the current research, two commercially available photovoltaic (PV) inverters up to the capacity of 3600 W were tested following the guidelines proposed in IEC 61000-3-15 in relation to low order harmonic emission and flicker emission. In addition, the harmonic and flicker emission behaviour of the PV inverters were investigated under varying irradiation conditions. Both PV inverters were observed to comply with the emission requirements prescribed by the technical report under most conditions except for even …
Voltage Unbalance Emission Assessment: Sources Of Contribution And Their Ranking, U Jayatunga, Sarath Perera, P Ciufo, A P. Agalgaonkar
Voltage Unbalance Emission Assessment: Sources Of Contribution And Their Ranking, U Jayatunga, Sarath Perera, P Ciufo, A P. Agalgaonkar
Dr Philip Ciufo
etermining sources of voltage unbalance (VU) and quantifying their individual contributions in an interconnected network is a complex task due to multiple interactions that take place between them. Post-connection VU emission assessment techniques in relation to customer installations are important not only in compliance assessment according to IEC/TR 61000-3- 13:2008 Limits - Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems, but also in determining the various emission contributors in the power system being considered. This paper presents a case study on the application of a recently developed post-connection VU emission assessment …
Interfacial Assessment Of Cao-Al2o3-Sio2-Mgo Slags On Mgal2o4 Spinel, Hamed Abdeyazdan, Neslihan Dogan, M Akbar Rhamdhani, Michael Chapman, Brian J. Monaghan
Interfacial Assessment Of Cao-Al2o3-Sio2-Mgo Slags On Mgal2o4 Spinel, Hamed Abdeyazdan, Neslihan Dogan, M Akbar Rhamdhani, Michael Chapman, Brian J. Monaghan
Brian Monaghan
Steel cleanness is an important and growing research area driven by the demands to produce high quality steel. Lowering the inclusion content in steel is an important criterion for clean steel. It is therefore important to better understand the interaction between inclusions and slag to improve the removability of inclusions from liquid steel. For efficient inclusion removal the inclusions must attach/bond with the slag phase. The strength of the attachment can be characterised by the wettability of the slag on the inclusions. In this study, the dynamic wetting of ladle slags of the CaO-Al2O3-SiO2- MgO system on a solid spinel …
Thermodynamic Assessment Of Aluminium Production Through Carbosulphidation Route, Nazmul Huda, Muhammad A. Rhamdhani, M A. Dewan, Geoffrey A. Brooks, B J. Monaghan, L Prentice
Thermodynamic Assessment Of Aluminium Production Through Carbosulphidation Route, Nazmul Huda, Muhammad A. Rhamdhani, M A. Dewan, Geoffrey A. Brooks, B J. Monaghan, L Prentice
Brian Monaghan
Indirect carbothermal reduction of alumina for the production of aluminium has been claimed to be better compared to the existing Hall-Heroult process in-terms of energy usage, generation of perfluorocarbons and overall greenhouse gas emission. In the process, alumina is reduced to an intermediate compound which is then further reduced to Al. It has been shown from the previous thermodynamic study by the authors that high conversion of alumina can be obtained if it is reduced to Al-chloride, Al-nitride or Al-sulphide. This paper deals with detailed systematic thermodynamic analysis of the process through carbosulphidation route, where alumina is first reduced to …
Comparison Of Methodologies For Assessment Of Harmonic Current Emission Limits For Large Installations Connected To Lv Networks, Biyanvilage Perera, Sarath Perera, Philip Ciufo, Victor J. Gosbell
Comparison Of Methodologies For Assessment Of Harmonic Current Emission Limits For Large Installations Connected To Lv Networks, Biyanvilage Perera, Sarath Perera, Philip Ciufo, Victor J. Gosbell
Dr Philip Ciufo
With the proliferation of large, disturbing installations (loads and distribution generators) connected to public low voltage networks, managing the harmonic voltage levels in the network has become a key concern to distribution network service providers (DNSPs). Therefore, it is important that DNSPs limit the harmonic current emission by individual installations. This paper reviews a number of methodologies that exist in the current technical literature in relation to the assessment of harmonic current emission limits for disturbing installations connected to the public LV network. Application of these methodologies is demonstrated through a case study on a test network. The study shows …
Public Services Training At Wendt Library, Anne E. Rauh, Anne Glorioso
Public Services Training At Wendt Library, Anne E. Rauh, Anne Glorioso
Anne Rauh
No abstract provided.