Patent ID: 11916504
Assignee: BYD COMPANY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 4:
5. The energy conversion device according to claim 1, wherein
when L3 sets of the winding units of the L sets of the winding units operate in the at least two sets of heating circuits, the L3 sets of the winding units correspond to L3 resultant current vectors, and form, L
    ⁢
    3
   
   -
   1
  
  2, pairs of the resultant current vectors and a second resultant current vector; amplitudes of two resultant current vectors of each pair of the resultant current vectors are equal; angles of the two resultant current vectors of each pair of the resultant current vectors differ by 180°; the second resultant current vector is located on a direct axis of the synchronous rotating reference frame; L≥L3≥3; and L3 is an odd number.