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48Volts system

cymro

cymro

PCGB Member
Member
From the 992 register zoom event the other evening, can someone please enlighten me with the conversation we had with the rear wheel steering needing a Lithium battery due to the system being a 48V system. The Lithium battery fitted is 14Volts.

Does the voltage get stepped up to 48V?

 
I thought it was too but now I’m not sure it is a 48v system. I remember some info around the launch that talked about it, but I think that might be for a mild hybrid system which should arrive for the 992.2?


 
Thought I'd respond to this thread lest someone looks at it in the future.
Rear Wheel Steering (RWS) and I believe Dynamic Chassis Control (PDCC) make use of 48V. The optional equipment incorporates a localised 48V sub-system and the necessary power supplies/voltage inverters that generate 3-phase 48V outputs used by the actuators. In fact, given these are 3 phase inverters, the phase-to-phase voltage is actually 96V.

So, whilst the central energy supply/distribution system of the car remains a 12V system, there are indeed localised 48V (3-phase) systems to support certain features, if fitted.
 
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