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

Claim 3:
4. The energy conversion device according to claim 1, wherein
when L2 sets of the winding units of the L sets of the winding units operate in the at least two sets of heating circuits, the L2 sets of the winding units correspond to L2 resultant current vectors, and form, L
    ⁢
    2
   
   -
   1
  
  2, pairs of the resultant current vectors and a first resultant current vector; amplitudes of two resultant current vectors of each pair of the resultant current vectors are equal; each pair of the resultant current vectors are symmetrical with respect to a direct axis of the synchronous rotating reference frame; the first resultant current vector is located on the direct axis of the synchronous rotating reference frame; L≥L2≥3; and L2 is an odd number.