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Including boost converter that raises main battery voltage (288 V) up to maximum system voltage (650 V), Power control unit has 2 inverters to convert dc into ac for main traction motors. PCU can be used in hybrid vehicle systems with different output levels by changing number of stacked power devices and cooling tubes. Battery cooling system uses cooled air from cooling unit of rear air conditioning system and cabin air to cool main battery.
New Products are Installed on Lexus LS600h, LS600hL
KARIYA, Japan, May 23 -- DENSO Corporation has developed a high output power control unit (PCU) and a battery cooling system for hybrid vehicles. The products are installed on the Lexus LS600h and the Lexus LS600hL, which were launched in May by Toyota Motor …