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This paper presents a new bi-directional DC/DC converter for supercapacitor interfacing in high-power applications. The converter acts as a VSI-based step-down DC/DC converter during the supercapacitor charging mode and as a qZSI-based step-up DC/DC converter during the energy recovery mode. To provide voltage matching and galvanic isolation the medium frequency transformer was implemented. To ensure...
Ultracapacitors can store and also give out large energy pulses. That makes them perfectly suitable as short term energy storage devices in electrical vehicles. The usage of ultracapacitors prevents over sizing of the battery pack due to peak power demands. This paper introduces the basic concept of how ultracapacitors could be used in tramways. The main purpose of the paper is to introduce one possible...
Ultracapacitors can store and also give out large energy pulses. That makes them perfectly suitable as short term energy storage devices in electrical vehicles. The usage of ultracapacitors prevents over sizing of the battery pack due to peak power demands. This paper introduces the basic concept of how ultracapacitors could be used in Tramways. The main purpose of the paper is to introduce one possible...
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