Development of intelligent power unit for hybrid four-door sedan
Development of intelligent power unit for hybrid four-door sedan
- New search for: Aitaka, K.
- New search for: Hosoda, M.
- New search for: Nomura, T.
- New search for: Aitaka, K.
- New search for: Hosoda, M.
- New search for: Nomura, T.
The Intelligent Power Unit (IPU) utilized in Honda's Civic Hybrid Integrated Motor Assist (IMA) system was developed with the aim of making every component lighter, more compact and more efficient than those in the former model. To reduce energy loss, inverter efficiency was increased by fine patterning of the Insulated Gate Bipolar Transistor (IGBT) chips, 12V DC-DC converter efficiency was increased by utilizing soft-switching, and the internal resistance of the IMA battery was lowered by modifying the electrodes and the current collecting structure. These improvements reduced the amount of heat generated by the unit components and made it possible to combine the previously separate the Power Control Unit (PCU) and battery cooling systems into a single system. Consolidation of these two cooling circuits into one has reduced the volume of the newly developed IPU
Document information
Development of intelligent power unit for hybrid four-door sedan
Entwicklung eines intelligenten Energiemoduls für den viertürigen Hybrid-Sedan
2002
14 Seiten, 23 Bilder, 1 Quelle
Conference paper
Storage medium
English
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