A compact and high-reliable converter design for an Integrated Starter Generator is presented. The concept is based on integration of the power switches with both the cooling system and the DC link capacitor, which optimizes the thermal management and minimizes inductive and conductive losses. The materials and joining technologies are selected in such a way that the converter can be operated up to 125 deg C ambient temperature. Therefore, the water cooling system of the combustion engine can directly be used. The paper further reports on circuit simulation results verifying the converter design and on first electrical measurements obtained on a functional prototype operating under normal load conditions (6 kW rated power). In the following sections the main components of the converter are described. In the last both sections a functional demonstrator and first experimental results are discussed.
Kompakte und hochzuverlässige Aufbau- und Verbindungstechnik für leistungselektronische Systeme am Beispiel Starter Generator
Compact and robust power electronics packaging and interconnection technology for an integrated starter generator
2002
9 Seiten, 7 Bilder, 3 Tabellen, 13 Quellen
Conference paper
German
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