The invention relates to an electric machine comprising a stator (1) and a rotor (2) movable relative to said stator. Said stator comprises two multi-stranded, concentrated windings (A1, B1, C1, A2, B2, C2) which are placed in respective slots of the stator (1). While the first winding (A1, B1, C1)
The invention relates to an electric machine comprising a stator (1) and a rotor (2) movable relative to said stator. Said stator comprises two multi-stranded, concentrated windings (A1, B1, C1, A2, B2, C2) which are placed in respective slots of the stator (1). While the first winding (A1, B1, C1) comprises six coils, the second winding (A2, B2, C2) is designed to have twelve coils. The number of turns (Nw1) of the coils of the first winding is different from the number of turns (Nw2) of the coils of the second winding.
대표청구항▼
1. Electric machine, comprising a stator and a rotor movable relative to the stator, in which the stator comprises a first winding and at least a second winding which are each designed as multi-stranded concentrated windings and placed in respective slots of the stator,the first winding comprises si
1. Electric machine, comprising a stator and a rotor movable relative to the stator, in which the stator comprises a first winding and at least a second winding which are each designed as multi-stranded concentrated windings and placed in respective slots of the stator,the first winding comprises six coils which are placed in six slots,the second winding comprises twelve coils which are placed in twelve slots. 2. Electric machine according to claim 1, in which the number of turns of the coils of the first winding is different from the number of turns of the coils of the second winding. 3. Electric machine according to claim 1 or 2, in which the coils of the first and second winding are each wound around exactly one tooth formed between two neighboring slots. 4. Electric machine according to claim 1 or 2, in which an air gap is provided between stator and rotor and the second winding is arranged closer to the air gap than the first winding. 5. Electric machine according to claim 1 or 2, in which the slots of the first and second winding are each distributed equally along the circumference of the stator. 6. Electric machine according to claim 1 or 2, in which the ratio of the number of turns of the coils of the first winding relative to the number of turns of the coils of the second winding is in an interval between 1.5 and 5, with the interval boundaries being included. 7. Electric machine according to claim 1 or 2, in which the number of turns of the coils of the first winding is 9 times n and in which the number of turns of the coils of the second winding is 4 times n, with n being a natural number. 8. Electric machine according to claim 1 or 2, in which the first and the second winding each is a three-phase winding. 9. Electric machine according to claim 1 or 2, wherein the first and the second winding are interconnected in a star delta connection. 10. Electric machine according to claim 1 or 2, wherein the first and the second winding are shifted relative to one another at an angle of 90 degree. 11. Electric machine according to claim 1 or 2, in which the electric machine comprises one of the following types: linear machine, axial-flux type machine, radial-flux type machine, asynchronous machine, synchronous machine. 12. Electric machine according to claim 1 or 2, which is constructed as a machine having an internal rotor or an external rotor. 13. Electric machine according to claim 1 or 2, in which the rotor is of one of the following types: a cage rotor, a multi-layered rotor in the case of the asynchronous machine, or a permanent-magnet rotor, a rotor with buried magnets or an electrically supplied rotor, in particular a full-pole type rotor, salient-pole type rotor, heteropolar rotor, homopolar rotor or a synchronous reluctance rotor in the case of the synchronous machine.
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이 특허에 인용된 특허 (9)
Dooley, Kevin Allan, Architecture for electric machine.
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