Status of African and Middle-East Renewable Energy Projects

Posted by actapress on Oct 22, 2010 in International Journal of Power and Energy System, Scientific Journals | 0 comments [Abstracts] This paper focuses on the present status and future prospect of electricity infrastructure in Africa and Middle East from the viewpoint of renewable energy projects, infrastructure developments and transmission development. It discusses a continental grid that would interconnect national power systems with regional power pools. Involved is extra high voltage DC for bulk power...
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Contingency Ranking Using Analytical Hierarchy Process

Posted by admin on Oct 21, 2010 in International Journal of Power and Energy System, Scientific Journals | 4 comments [Abstract] Contingency screening and ranking is one of the most important issues for security assessment in the field of power system operation. The objective of contingency screening and ranking is to quickly and accurately select a short list of critical contingencies from a large list of potential contingencies and rank them according to their severity. Then suitable preventive control...
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Geothermal Power Developments and Sustainability in Iceland and Worldwide

Posted by admin on Oct 21, 2010 in International Journal of Power and Energy System, Scientific Journals | 4 comments [Abstract] This paper presents and discusses the current state of developments in harnessing geothermal power for medium and large-scale generation of electricity and for space heating worldwide. Potential and current developments and probable and possible developments both in developed and developing countries in near future and long term are reviewed. Topics discussed include enhanced power...
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PERFORMANCE OF A SINGLE PHASE PWM INVERTER

Posted by admin on Oct 20, 2010 in International Journal of Power and Energy System, Scientific Journals | 3 comments [Abstract] This paper presents the small signal modelling and control of a Pulse Width Modulated (PWM) single phase inverter. The inverter is operated with a tracking mechanism where the output voltage of the inverter is first processed by a low pass filter. The voltage across the output capacitor is fed back and compared with the corresponding reference signal. A proportional band is produced...
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VOLTAGE STABILITY ASSESSMENT

Posted by admin on Oct 20, 2010 in International Journal of Power and Energy System, Scientific Journals | 1 comment [Abstract] The paper presents the results of extended analysis aimed to evaluate the voltage collapse margin in the Italian electric power system, carried out through a dedicated application developed within a joint project between TERNA [the Italian transmission system operators (TSO)], centro elettrotecnico sperimentale italiano (CESI) and Milan Polytechnic. The application, based on a Quasi...
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