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It is with great pleasure that we welcome you to the 1stInternational Conference on Renewable Energy Research and Applications (ICRERA) 2012 in Nagasaki, Japan.
In this study, parallel connection of separate voltage sources has been realized using cuk converters. For this aim, output voltages of converters are measured continuously and then fixed to a reference value. The PWM signals which are required to control the converters and to sense the current and voltage signals are generated by an FPGA. Since the FPGA has parallel processing feature, voltage and...
Utility companies have been seeking methods to operate electricity distribution infrastructures efficiently. Smart grid applications provide opportunities to network operators to collect data from consumers. Therefore operators could track power consumption based on historical and immediate data. Thanks to remotely collecting data, operators take necessary action to manage changes in consumption rate...
Decarbonisation policies adopted worldwide are leading to an increasing deployment of renewable energy sources. In Europe, the growing number of offshore wind farm projects calls for scrutinising merits and opportunities of their interconnection via multi-terminal links rather than conventional point-to-point connections. The semiconductor components used in the converters and the resistance of power...
Renewable energy sources have been an attraction for both researchers and scientists recently. In this study, a survey focused on renewable energy sources in Turkey has been presented. The survey has been conducted by researchers working in different scientific disciplines registered to Scientific and Technological Research Council of Turkey. The questionnaires have been prepared in order to explore...
One of the two hydro turbine-generator sets in small hydropower plant has become inoperable due to generator stator winding failure. Considering the age of the plant, together with generator repairs, more comprehensive plant refurbishment options have been analysed. The optimal solution is chosen, one that provides improved reliability, increased electricity production with best financial and economic...
Provides an abstract for each of the eleven keynote presentations and a brief professional biography of each presenter. The complete presentations were not made available for publication as part of the conference proceedings.
In recent years, energy consumption has been increasing rapidly due to the increased use of Information and Communication Technology (ICT) systems. As one solution to this issue, 380 V dc power distribution systems have been attracting attention as high-efficiency and high-reliability power systems that can be used in telecommunications buildings and data centers. Against this background, we have...
Telecommunication and data centers are moving to greener technology to minimize operating costs and lessen environmental impact. Ultimately, the networking and computing loads in these applications are DC rather than AC, and many renewable energy sources develop DC power as well. Energy storage systems are also DC, such as those required for Uninterruptable Power Supplies (UPS), as well as those needed...
This paper explores important characteristics of multiple-input converters (MIC) serving as a power electronic interface for renewable energy applications. Advantages of MICs are explained through an example with a photovoltaic (PV) system. Feasible MIC topologies for renewable energy applications are discussed and classified into four different MIC families. According to their different configurations,...
The use of renewable energy sources are increased because of the depletion of natural resources and the increasing pollution level from energy production. The wind energy and the solar energy are most widely used among the renewable energy sources. Power electronics is needed in almost all kinds of renewable energy system. It controls the renewable source and interfaces with the load effectively,...
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