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Erschienen in:
2020 | OriginalPaper | Buchkapitel
48 V hybrid system based on a switched reluctance motor for city busses
verfasst von : Markus Lampalzer, Michael Lechner
Erschienen in: Internationaler Motorenkongress 2020
Verlag: Springer Fachmedien Wiesbaden
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Mild hybrid functions such as recuperation and start-stop offer signif-icant saving potential for improving the fuel consumption in city bus application with a good cost-benefit ratio. This potential is implemented by MAN in the new city bus with diesel (D15) and natural gas engine (E18) with a 48 V hybrid system in serial production. In both applications, a switched reluctance machine is used as a crankshaft starter alternator in P1 topology. For orientation of the control an algorithm is used and the control is therefore sensorless. The high starting power is provided by an Ultracap. A bidirectional DCDC is the interface to the 24 V on-board network and provides energy for that.