Patent ID: 9564847
Date: 2017-02-07
CPC Classifications: H02K,H02P

Claim:
1. An electrical machine comprising: a multi-phase stator (i) including two or more coil groups and (ii) formed of sub-windings, each sub-winding corresponding to one of the phases; wherein each sub-winding includes a plurality of coils, each coil being (i) part of a multi-phase set, each set being representative of only one of the poles and (ii) associated with one of the coil groups; and wherein each coil group (i) includes a proportion of a total number of coils within the stator and (ii) is configured for coupling to a power source, an end of one of the two or more coil groups being connected to a beginning of the other coil group (ii) and producing a respective proportion of a maximum torque of the electrical machine.