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This paper introduces an effective technique for reducing semiconductor switching losses, and evenly distributing them, in current-controlled single-phase inverters. The current switching frequency is reduced taking advantage of three-level commutation by a double hysteresis-band current-control strategy imported from multilevel converters studies.(More)
This paper presents the development of a 200 kVA and 200 MJ kinetic energy storage system (KESS) prototype, based on a switched reluctance machine to be applied in high speed trains. The main goal is to reduce the electric consumption peaks in a high speed railway substation. Both the reluctance machine design criteria and the power electronic converters(More)
This paper shows the development and experimental results of a diode-clamped three-level converter driving a synchronous machine, connected to the network. A double hysteresis-band current control strategy has been used to control the power converters and a three-level converter prototype has been developed in order to test this strategy. Constant switching(More)
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