US 12,257,926 B2
Electric machine drive arrangement for a heavy-duty vehicle
Johan Lindberg, Gothenburg (SE)
Assigned to Volvo Truck Corporation, Gothenburg (SE)
Filed by Volvo Truck Corporation, Gothenburg (SE)
Filed on Feb. 7, 2023, as Appl. No. 18/106,564.
Claims priority of application No. 22159365 (EP), filed on Mar. 1, 2022.
Prior Publication US 2023/0278432 A1, Sep. 7, 2023
Int. Cl. B60L 7/06 (2006.01); B60L 7/26 (2006.01)
CPC B60L 7/06 (2013.01) [B60L 7/26 (2013.01); B60L 2200/36 (2013.01); B60L 2210/12 (2013.01); B60L 2210/40 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electric machine drive arrangement for a heavy-duty road vehicle, comprising:
an electric machine;
a brake arrangement connected to the electric machine; and
a braking resistor controller configured to control the brake arrangement, wherein the braking resistor controller has a primary power feed connection and a back-up power feed connection, and wherein the back-up power feed connection is directly connected to an alternating current (AC) side of the electric machine for the electric machine to supply back-up power to the braking resistor controller.