US 12,269,360 B2
Transformer circuit for an electric vehicle
Vishnu Kurup, Warwick (GB); Hui Zhu, Coventry (GB); Manoj Choudhary, Coventry (GB); Chinmaya Joshi, Coventry (GB); Tobias Burgstaller, Coventry (GB); and John Stamford, Coventry (GB)
Assigned to Jaguar Land Rover Limited, Coventry (GB)
Appl. No. 18/029,554
Filed by JAGUAR LAND ROVER LIMITED, Coventry (GB)
PCT Filed Sep. 29, 2021, PCT No. PCT/EP2021/076748
§ 371(c)(1), (2) Date Mar. 30, 2023,
PCT Pub. No. WO2022/069518, PCT Pub. Date Apr. 7, 2022.
Claims priority of application No. 2015456 (GB), filed on Sep. 30, 2020.
Prior Publication US 2023/0331106 A1, Oct. 19, 2023
Int. Cl. B60L 53/22 (2019.01); H01F 38/14 (2006.01)
CPC B60L 53/22 (2019.02) [H01F 38/14 (2013.01); B60L 2210/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A transformer circuit for an electric vehicle, the circuit comprising:
an input for receiving electrical energy;
an output for providing electrical energy to an electrical bus;
a transformer located between the input and the output, the transformer comprising a primary winding connected to the input; and a secondary winding connected to the output; wherein at least one of the primary winding and the secondary winding comprises a first split winding and a second split winding, and wherein the first split winding is configured for carrying a higher current than the second split winding; and
one or more switches configured to:
where the primary winding comprises the first split winding and the second split winding, selectively connect the first split winding to the input, or connect the first split winding and the second split winding in series to the input; and
where the secondary winding comprises the first split winding and the second split winding, selectively connect the first split winding to the output, or connect the first split winding and the second split winding in series to the output.