Abstract
One solution to the problem of high-power transformers is the concept of the resonance transformer, which uses a set of resonant circuits, made up of discrete inductors and capacitors, to achieve a transformerlike voltage gain. A brief overview of the general approach is presented. Because this approach does not require the magnetic core material associated with a conventional transformer, a significant savings in both size and weight can be realized, particularly at higher power levels. Technical issues associated with the conventional transformer, such as coupling of the primary and secondary windings at both high voltages and high frequencies and thermal management of heat generated in the transformer core, are also avoided. Several designs have been generated and tested, including a 20-kHz, 10- to 15-kW average power system. This power supply provides a voltage gain of 50 and weighs less than 45 kg. Additional designs for higher power levels above 1 MW are discussed along with information on expected sizes, weights, and general scaling tendencies.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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