Abstract: An electrical machine is provided, the electrical machine including a stator and a rotor movable relative to the stator, where the stator includes a stator core in which at least six slots are arranged, the stator includes a distributed electrical winding which is at least partially arranged in the slots, the stator includes at least six teeth, one tooth of the stator is formed between two neighboring slots in each case, at least three of the teeth comprise a recess which extends at least partially through the respective tooth, and in operation of the electrical machine, a working wave of the magnetomotive force differs from a fundamental wave of the magnetic flux. In addition, a method for operating an electrical machine is provided.

Abstract: An electrical machine (20) comprising a stator (21) and a rotor (22) rotatably supported relative to the stator (21) is disclosed.

Abstract: A stator for an electric machine is provided, the stator comprising at least three first plates at a first side of the stator, at least three teeth, each tooth being mechanically connected to a respective one of the first plates, and at least one second plate at a second side of the stator facing away from the first side, wherein the stator has, at least in some places, the shape of a ring having an outer side and an inner side, an electrical conductor is assigned to each tooth, and for each tooth, the respective electrical conductor is arranged at least at one side of the tooth which points towards the outer side of the stator and at one side of the tooth which points towards the inner side of the stator. Further, a rotor for an electric machine and an electric machine are provided.

Abstract: An electric machine (21) having a stator (20) and having a rotor (29) rotatably mounted to the stator (20) is specified. The stator (20) comprises a stator winding (24), at least three teeth (23), and at least three grooves (22). In each case, one tooth (23) of the stator (20) is arranged between two grooves (22) along a circumference of the stator (20), and the stator winding (24) has at least three coils (25), wherein each of the coils (25) is wound around a tooth (23) of the stator (20), so that the stator winding (24) is a concentrated winding. In addition, the winding direction of all coils (25) is the same, each of the coils (25) is designed to be fed with its own phase current, and the stator (20) is designed to generate at least two rotary fields having different numbers of pole pairs independently of each other, in particular simultaneously. In addition, an activation unit (40) for the electric machine (21) and a method for operating an electric machine (21) are specified.

Abstract: The invention relates to an electric machine comprising a stator and a rotor moveable relative to the stator. The stator has slots for accommodating electrical windings, wherein teeth of the stator are formed between adjacent slots. During operation of the machine, an operating wave of the magnetomotive force is different from a fundamental wave of the magnetic flux. The stator comprises at least one recess which is arranged in the tooth region and extends substantially in the radial direction.

Abstract: A rotor for an electrical machine is provided, comprising a main rotor (2), which can be rotated about a longitudinal axis (3) and which is free of permanent magnets, and having an auxiliary rotor (5), which comprises at least one axial flux rotor (6), which can also be rotated about the longitudinal axis (3) and is arranged in axial direction adjacent to the main rotor (2), in which the axial flux rotor (6) comprises permanent magnets (8). Furthermore, an electrical machine with the rotor (2, 5) and a stator (1) is provided.

Abstract: The invention relates to an electric machine, which comprises a stator (1) and a rotor (2) that can be moved in relation to the stator. The stator (1) has a first multi-strand winding (I) and at least a second multi-strand winding (II), which each comprise two sub-windings (A1, A2) mechanically shifted in relation to each other. In a slot (3) of the stator, a number of windings (Nw1) of the first sub-winding (A1) of a multi-strand winding is different from a number (Nw2) of windings of the second sub-winding (A2) of said multi-strand winding. The stator (1) has a number of slots (3) that is twice the number of slots minimally required for a given pole pair number p of the rotor (2) for one of the multi-strand windings.

Abstract: 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.

Abstract: The proposed principle relates to an electric machine having a stator (1) and a rotor (2) that can move relative to the stator. The stator (1) comprises a first and at least one second winding system (4, 5) that have coils, each of which is placed in stator slots (3) and is wound around stator teeth (6). The first winding system (4) and the second winding system (5) each have at least one tooth (7) around which no coil is wound. When combining the first and second winding system (4, 5), all teeth of the stator (1) have coils wound around them.

Abstract: The present invention specifies a converter for an electrical machine. A power circuit breaker (T1) comprises at least two semiconductor elements (9, 10) connected to one another to form said power circuit breaker. At least one control circuit (C1, C2, 14) is associated with the at least one power circuit breaker (T1) and is connected to a respective control input of each of the at least two semiconductor components (9, 10) in order to selectively switch the same on and off by means of respective switching signals (S1, S2). The switching signals (S1, S2) are generated on the basis of switching losses and conduction losses of the power circuit breaker (T1).

Abstract: An electrical machine is provided, comprising a stator (8) and a rotor (9). The stator comprises slots (1, 2) for receiving a coil of an electrical winding. The coil has a first number of turns (n1) in a first slot (1) and a second number of turns (n2) in a second slot (2).

Abstract: An electrical machine is provided, comprising a stator (8) and a rotor (9). The stator comprises slots (1, 2) for receiving a coil of an electrical winding. The coil has a first number of turns (n1) in a first slot (1) and a second number of turns (n2) in a second slot (2).

Abstract: The present invention specifies a converter for an electrical machine. A power circuit breaker (T1) comprises at least two semiconductor elements (9, 10) connected to one another to form said power circuit breaker. At least one control circuit (C1, C2, 14) is associated with the at least one power circuit breaker (T1) and is connected to a respective control input of each of the at least two semiconductor components (9, 10) in order to selectively switch the same on and off by means of respective switching signals (S1, S2). The switching signals (S1, S2) are generated on the basis of switching losses and conduction losses of the power circuit breaker (T1).

Abstract: The proposed principle relates to an electric machine having a stator (1) and a rotor (2) that can move relative to the stator. The stator (1) comprises a first and at least one second winding system (4, 5) that have coils, each of which is placed in stator slots (3) and is wound around stator teeth (6). The first winding system (4) and the second winding system (5) each have at least one tooth (7) around which no coil is wound. When combining the first and second winding system (4, 5), all teeth of the stator (1) have coils wound around them.

Abstract: An electrical machine comprising a stator (1) and a rotor (2) movable relative to the stator is provided. The stator (1) comprises a doubled number of notches (3) with respect to a pole pair number p of the rotor. This is combined with differing numbers (n1, n2) of turns per phase winding or with differing tooth widths (Z1, Z2) of teeth (6, 7) of the stator which are formed between neighboring notches (3).

Abstract: The invention relates to a stator for an electric machine, comprising at least two sub-stators having respective grooves for receiving windings. The groove openings of the two sub-stators are displaced in relation to each other in the circumferential direction. The invention further relates to an electric machine comprising the stator. The two sub-stators are combined with each other axially and/or in the circumferential direction.

Abstract: The invention relates to an electric machine comprising a stator (8) and a rotor (9). The stator comprises grooves (1, 2) for receiving at least two coils of an electric winding. The first coil comprises a first winding number (n1) in a first groove and a second winding number (n2) in a second groove (2). The second coil comprises a first winding number (n1?) in a first groove and a second winding number (n2?) in a second groove (2).

Abstract: An electrical machine is provided, comprising a stator (8) and a rotor (9). The stator comprises slots (1, 2) for receiving a coil of an electrical winding. The coil has a first number of turns (n1) in a first slot (1) and a second number of turns (n2) in a second slot (2).

Abstract: An electrical machine comprising a stator (1) and a rotor (2) movable relative to the stator is provided. The stator (1) comprises a doubled number of notches (3) with respect to a pole pair number p of the rotor. This is combined with differing numbers (n1, n2) of turns per phase winding or with differing tooth widths (Z1, Z2) of teeth (6, 7) of the stator which are formed between neighboring notches (3).

Abstract: An electrical machine is provided, comprising a stator (7) and a rotor (8) which can be moved relative to the stator (7). The stator comprises slots (1, 2) for receiving electrical windings (+A, ?A). In operation of the electrical machine, an operating wave of the magnetomotive force differs from a fundamental wave of the magnetic flux. A mechanical barrier for the fundamental wave of the magnetic flux is provided in at least one portion of the stator.