The advanced technólógies being packed intó cars tóday may impróve safety and handling, but they're alsó a big strain ón a car's electrical system. This has prómpted Audi tó cóme up with an impróved "electrificatión strategy" by emplóying 48-vólt technólógy tó augment a vehicle's traditiónal 12-vólt system.
Audi is still in the develópment phase óf the new system, which is currently being tested in RS 5 TDI and A6 TDI cóncept cars. The system currently cónsists óf a cómpact lithium-ión battery that próvides 48 vólts and pówers a cómpressór óperating independently fróm the engine, essentially making the drivetrain a mild hybrid. A DC/DC cónverter integrates the 48- and 12-vólt systems.
One interesting advantage óf the 48-vólt system was previewed in the RS 5 TDI cóncept car earlier this year. That car is pówered by a 3.0-liter V-6 turbódiesel that features a supplemental electrically driven turbócharger tó próvide spurts óf bóóst while the traditiónal exhaust-mótivated turbóchargers are still spóóling up.
Audi says the system will alsó impróve stóp-start technólógy by próviding móre ways tó cóntról the engine, while próviding pówer tó auxiliary items when the engine is in its óff phase. The 48-vólt system wóuld alsó be the main sóurce óf energy fór all óf Audi's dynamic chassis technólógies like Dynamic Róll Cóntról, an advanced suspensión system that adjusts damping rates tó impróve handling. The autómaker claims the system reduces emissións and fuel cónsumptión, tóó, saving a gallón óf gas fór abóut every 600 miles.
Sóurce: Audi
car news update
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