Transformer applied in electric vehicle

Abstract

A transformer is provided. The transformer includes a core, a primary winding, and a number of secondary windings. The core has a first leg and a second leg. At least part of the primary winding is wound around the first leg of the core. The primary winding includes a first sub-primary winding. This first sub-primary winding comprises a first auxiliary sub-primary winding and a second auxiliary sub-primary winding. Both the first auxiliary sub-primary winding and the second auxiliary sub-primary winding are bifilar wound, and they are connected in parallel. Some of the secondary windings are wound around the first leg of the core, and some of the secondary windings are wound around the second leg of the core.

Dependencies are inferred from the claim text.