The Intelligent Power Unit (IPU) of the Integrated Motor Assist (IMA) system was developed with the dual objectives of increased output and reduced size. To realize miniaturization and to reduce energy losses, fine patterning of IGBT chips in the inverter was conducted, transfer mold power modules were used, and film capacitors were integrated in the unit. Parts integration by digital control was performed in the 12V DC-DC converter. The internal resistance was reduced and the output increased of the IMA battery by changing the construction of the current collector and increasing the length of the electrodes. The battery box was made of a new design enabling easy assembly. The cooling system construction of the box was modified, and the pitch between the modules was reduced, enabling the battery box to be made more compact.Thanks to the technological developments mentioned above, an increase in output of 20% and a reduction in size of 20% were achieved simultaneously for the new IPU, ensuring adequate running performance and cabin space befitting mid-size four-door sedans.
Development of the Intelligent Power Unit for the V6 Hybrid Midsize Sedan
Sae Technical Papers
SAE 2005 World Congress & Exhibition ; 2005
2005-04-11
Aufsatz (Konferenz)
Englisch
Batteries , Drag , Molding , Capacitors , Parts , Assembling
Development of the Intelligent Power Unit for the V6 hybrid midsize sedan
Kraftfahrwesen | 2005
|2005-01-0275 Development of the Intelligent Power Unit for the V6 Hybrid Midsize Sedan
British Library Conference Proceedings | 2005
|Development of a hybrid system for the V6 midsize Sedan
Kraftfahrwesen | 2005
|Development of a Hybrid System for the V6 Midsize Sedan
SAE Technical Papers | 2005
|Development of the IMA Motor for the V6 Hybrid Midsize Sedan
SAE Technical Papers | 2005
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