DC Power Distribution Networks with Direct Current Transformers
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Nowadays, the scarcity of cheap energy sources requires a particular effort in optimizing the performance of all conversions. The electric power vector is particulary expected to grow in importance, in conjunction with the development of renewable energy s ...
The ninth International Conference organized by the Technical Committee n 1 (TC1) of IMACS, ELECTRIMACS took place at Québec City, Canada, from June 9th to 11th 2008. The goal of this conference was to provide scientific and professional interaction for th ...
A widely-tunable and power-scalable clock generator for ultra-low power (ULP) applications is presented. Benefitting from a novel self-adjustable loop frequency response, the proposed phase-locked loop based clock generator exhibits a tuning range of three ...
The paper describes the design of optimized PCB air-core toroids for high frequency DC-DC converters with strict requirements in terms of volume and noise. The effect of several design parameters on the overall inductor volume, on DC and AC winding resista ...
In the frame of the European project UNIFLEX-PM, two AC/AC converter topologies hove been studied and implemented. Both converters, rated for 25 kVA, are isolated by a medium-frequency power transformer. The first topology is based on a dual active bridge ...
Medium-voltage conversion systems, such as traction and grid-connected converters, are continuously evolving toward higher power densities. Consequently, volume, weight, and material reductions are becoming major design issues, which lead the research focu ...
This paper introduces a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for the speed problem ...
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The paper presents the main characteristics of a centralized two-stage scheduler designed for the integration in the Distribution Management System (DMS) under development in the framework of an Italian "Smart Grid" Project. The paper first reviews the tre ...
A new technique, Amplifier and Comparator Based Switched Capacitor (ACBSC) for low voltage switched cap circuits, is presented. ACBSC combines the recently introduced CBSC (comparator based switched capacitor circuit) with an amplifier. The current sources ...
The necessity to take into account environment problems and in parallel a need for more energy, for the development of emerging economies, makes the management of energy sources a very important problem. The electric transmission network is charged with mo ...
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