| 摘要 |
An electric synchronous machine with improved torque characteristic has a stator and a rotor, wherein the stator includes a winding, preferably a three-phase AC winding, with an average coil width tausp. The rotor is provided with permanent magnets and has a pole pair number of 2p with a pole pitch width taup, wherein the pitch ratio tausp/taup is >=2.5.
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