Abstract: A stator for an electric machine is disclosed. The stator has a plurality of pins arranged in slots in the stator on concentric circles at different distances from a center point, each concentric circle forming a layer. Each of six pins in different layers are connected to one another in series and form a winding. A first pin of the winding in a first slot in the 6n-4 layer, n being a natural number, a second pin of the winding in a second slot in the 6n-5 layer, a third pin of the winding in the first slot in the 6n-2 layer, a fourth pin of the winding in the second slot in the 6n-3 layer, a fifth pin in the first slot in the 6n layer, and a sixth pin of the winding in the second slot in the 6n-1 layer.

Abstract: A temperature sensor (116) comprises an electrical circuit (204) including a thermistor (206) intended to be placed next to an object (112); a temperature measurement module (222) configured for determining a measured temperature (T_M) of the thermistor (206) from a resistance of the thermistor (206); and a command module (224) configured for providing a command (C) to the electrical circuit (204) for modifying the electrical circuit (204) in a way that changes a current (IT) flowing in the thermistor (206). The temperature sensor (116) further comprises a thermal loss determination module (226) configured for determining a thermal loss (L) of the thermistor (206) from the thermistor measured temperature (T_M) and the command (C); and a temperature estimation module (228) configured for estimating a temperature (T0_E) of the object (112) from the thermistor measured temperature (T_M) and from the thermal loss (L) of the thermistor (TH).

Abstract: A stator for an electric machine has a plurality of pins, which are arranged on concentric circles at different distances from a stator center point in slots and each concentric circle forms a layer, wherein four pins in different layers are respectively connected to one another in series and form a winding, a first pin of the winding is located in a first slot in the 4n?1 layer, wherein n is a natural number, a second pin of the winding is located in a second slot in the 4n layer, wherein the second slot is at a first radial distance from the first slot in a first circumferential direction of the stator, a third pin of the winding is located in the first slot in the 4n?3 layer, a fourth pin of the winding is located in the second slot in the 4n?3 layer.

Abstract: A stator for an electric machine having a plurality of pins, which are arranged on concentric circles at different distances from a stator center point in slots in the stator, and each concentric circle forms a layer, where four pins in different layers are connected to one another in series and form a winding. A first pin of the winding is located in a first slot in the 4n-3 layer, wherein n is a natural number, a second pin of the winding is located in a second slot in the 4n-2 layer, wherein the second slot is at a first radial distance from the first slot in a first circumferential direction of the stator, a third pin of the winding is located in the first slot in the 4n layer, and a fourth pin of the winding is located in the second slot in the 4n-3 layer.

Abstract: A monitoring circuit (2) for an interlock system (1), said interlock system comprising a first monitoring line (3), a second monitoring line (4), and at least one line bridge (5), by means of which the monitoring lines (3, 4) are electrically conductively connected in a closed state of the interlock system (1), said monitoring circuit comprising a signal generation device (11) which is configured for generating a monitoring signal for the first monitoring line (3) which alternates between a first monitoring voltage and a second monitoring voltage and which is referenced to a reference potential, and a signal evaluation device (17) by means of which a voltage profile (43, 48 to 51) which is referenced to the reference potential is detectable on the second monitoring line (4), wherein the signal evaluation device (17) is configured for determining a fault on one of the monitoring lines (3, 4) which is caused by a fault voltage referenced to the reference potential, and/or a fault in the monitoring circuit (2) b

Abstract: The invention relates to a stator device (2) for an electric machine (1), comprising —a stator body (3), —a plurality of cooling channels (9a-9x) that are designed to cool the stator body (3) and extend along the stator body (3) in an axial direction, and —a cooling fluid connection device (7) that delimits a connection channel (12) axially outwards and in a radial manner, said connection channel extending in the circumferential direction, wherein the axial end of each cooling channel opens into the connection channel, and the connection channel extends radially inwards further than the cooling channels (9a-9x).

Abstract: A stator (1) for an electric machine (101), wherein the stator (1) has N?3 phases (U, V, W), P?2 pole pairs, and q?1 holes, the stator (1) comprises a stator core (3) having at least 2NPq slots (4) and a number of 2NPqL shaped conductors (5) arranged in an even number of L?4 layers (6a-h) radially layered in the slots (4), the shaped conductors (5) form 2q paths (7a-d) per phase and are arranged in 2P winding zones (8), which each extend radially over L layers (6a-h) and in the circumferential direction over at least q directly adjacent slots (4), the shaped conductors (5) of each path are connected in a series circuit, which is provided by connectors (9a-e, 10a-f, 11a-g) arranged at both end faces (2a, 2b) of the stator core, each path comprises L/2 groups (12a-d) of shaped conductors (5) successively connected in series, each group (12a-d) is formed by at least one arrangement (13a, 13b) of at least four shaped conductors (5) which are arranged alternately in two immediately adjacent layers (6a-g) and ar

Abstract: An electrical device for a converter has at least one capacitor having a first connection and a second connection, a first busbar and a second busbar is disclosed. A respective busbar has a greater extension along a transverse direction than along a longitudinal direction, and has a greater extension along the longitudinal direction than along a vertical direction. The respective busbar has a first surface and a second surface which are opposite one other with respect to the vertical direction. The device also has a first contact-connection device electrically conductively contact-connected to the first connection and via which the first connection is electrically conductively connected to the first busbar, and a second contact-connection device electrically conductively contact-connected to the second connection via which the second connection is electrically conductively connected to the second busbar.

Abstract: Described is a rotor (3) for an electrical machine (1) which comprises a rotor laminated core (6) divided into a plurality of sectors (B), in each of which there is arranged a permanent magnet assembly (4) which has two permanent magnets (13a, 13n) which are arranged in a V shape and which are positioned symmetrically with respect to a plane of symmetry (C) splitting the sector (B) into two half-sectors (D, D?). An outer contour (E) of the rotor laminated core (6) runs in each sector (B) symmetrically with respect to the plane of symmetry (C) and is formed in one half-sector (D, D?) by at least three different radii with just as many different centre points. The invention also relates to an electric machine (1) having such a rotor (3) and to a vehicle (17) having such an electric machine (1).

Abstract: A control device (8) for an inverter (2) that feeds an electric machine (3), wherein the control device (8) is configured to provide pulse-width modulated switching signals (15) for driving switching elements (12) of the inverter (2), wherein the control device (8) is configured to determine a modulation type by means of which the pulse-width modulated switching signals (15) are generated depending on operating point information that describes an operating point defined by at least one operating parameter, and to use a first modulation type in at least one first operating region (21, 28, 30, 31) and a second modulation type in another operating region (32, 32a, 32b).

Abstract: A control device (8) for an inverter (2) that feeds an electric machine (3), wherein the control device (8) is configured to provide pulse-width modulated switching signals (15) with a carrier frequency to drive switching elements (12) of the inverter (2), wherein the control device (8) is configured to determine the carrier frequency depending on operating point information that describes an operating point defined by a rotation speed and a torque of the electric machine (3) and, as the rotation speed increases and the magnitude of the torque falls, to increase the carrier frequency within an operating region (22) that extends within a rotation speed interval with a lower rotation speed limit (23) differing from zero and with an upper rotation speed limit (24) lying in a power-limiting operating region (21) or field-weakening operating region.

Abstract: An electrical device includes a housing including a receiving space in which electrical components of the device are arranged, a cover device including a first cover element and a second cover element, and a sensor unit including a magnetic element and a magnetic sensor, which is configured to provide a detection signal when the magnetic element is detected to be absent. The first cover element has a cut-out, and the second cover element is arranged such that the second cover element, in a first position, covers the cut-out and, in a second position, allows access to the cut-out. The cover device is arranged such that the cover device, in a first position, closes the receiving space when the second cover element is in the first position, and in a second position, allows access to the first sub-receiving space and the second sub-receiving space.

Abstract: Housing (1) for an electrical machine, which has at least one connector (2) arranged spaced apart from an outer face (6) of the housing (1), for screw fixing of the housing (1), and at least one rib (5, 8) which connects together a contact face (3) of the connector (2) and the outer face (6) of the housing (1), wherein the outer face (6) of the housing (1) has a recess (9, 10) in an extension of the rib (5, 8). In addition, an associated electrical machine and a vehicle with such an electrical machine are described.

Abstract: A rotor (1) comprising a rotor shaft (13), a rotor core (14) having a core length, windings (12), and two impregnation rings (11), the windings (12) forming protruding windings ends (121), each one of the two impregnation rings (11) comprising an annular portion (111) and a deflector portion (112), the annular portion (111) comprising radial openings (113); and a method for impregnating the rotor (1) comprising starting a rotation of the rotor shaft (13) and impregnating the windings (12) with an impregnating agent through two nozzles respectively located upward each one of the two impregnation rings (11) and oriented towards the radial openings (113), the impregnation agent being guided by the deflector portion (112) towards the protruding windings ends (121) on both sides of the rotor (1) at a same time, in order to impregnate the windings (12) through the core length.

Abstract: A control device (8) for an inverter (2) that feeds an electric machine (3), wherein the control device (8) is configured to provide pulse-width-modulated switching signals (15) at a carrier frequency to drive switching elements (12) of the inverter (2), wherein the control device (8) is configured to ascertain the carrier frequency within at least one operating range (22, 23) depending on a piece of operating point information that describes an operating point defined by a rotation speed and a torque of the electric machine (3) in such a way that the carrier frequency is reduced within the at least one operating range (22, 23) compared to a maximum carrier frequency operating point at which a maximum carrier frequency is specified in the operating range.

Abstract: The invention is related to an integrated drive system including an electric motor having a stator and a rotor, an inverter configured to control the electric motor, a gearbox configured to transmit a torque provided by the electric motor, and a coolant system, wherein the coolant system includes a cooling fluid, configured to follow one cooling path for cooling the inverter, the rotor, the stator and the gearbox.

Abstract: The invention specifies an electrical machine (1, 1a . . . 1c) which comprises a housing (8), a stator (5) which is arranged in the housing (8) and a rotor (3) which is rotatably mounted in the housing (8). At least one first coolant duct (9) of a first cooling circuit (15) and at least one second coolant duct (10, 10a, 10b) of a second cooling circuit (16) are arranged in the region of the stator (5) in the housing (8). In this case, the coolant ducts (9, 10, 10a, 10b) and the housing (8) form a heat exchanger between the first cooling circuit (15) and the second cooling circuit (16). In addition, the invention specifies a gear motor comprising the electrical machine (1, 1a . . . 1c), in which gear motor the transmission is hydraulically connected to the at least one second coolant duct (10, 10a, 10b) of the second cooling circuit (16). The invention also specifies a vehicle (27) which is driven by the said electrical machine (1, 1a . . . 1c) or by the said gear motor.

Abstract: Described is an electrical machine (1) which comprises two end shields (6, 7), a stator (5) which is arranged between the two end shields (6, 7) and has a stator laminated core (11, 11a) and stator windings (12) arranged therein, and a rotor (3) which is arranged in the stator (5) and has a rotor shaft (2) mounted rotatably in the two end shields (6, 7). The electrical machine (1) furthermore has cooling channels (13) arranged fully in the stator laminated core (11, 11a) and edged by the latter. Furthermore described are a gear motor (30) comprising such an electrical machine (1), as well as a vehicle (20) comprising such an electrical machine (1).

Abstract: The electrical system comprises a cover (206) for closing the compartment (204) defined in a housing (202). The electrical system further comprises a removable element (214) configured to be mounted proximate to the housing (202), and a mobile hook (208) attached to one amongst the cover (206) and the housing (202), and configured to take an engaged position with the other amongst the cover (206) and the housing (202) and a disengaged position from the other from the cover (206) and the housing (202), wherein the removable element (214), when mounted proximate to the housing (202), is configured to cooperate with the mobile hook (208) to prevent the cover (206) from being separated from the housing (202), thereby preventing an opening of the compartment (204).

Abstract: In a control device for discharging a DC link capacitor by means of a discharging device including a load resistor and a switch element connected in series with the load resistor, the control device includes a generator unit, which is configured to generate a pulse width-modulated actuation signal for the switch element with an ascertained duty cycle, and a control unit, which is configured to ascertain the duty cycle in such a way that, in the time average, a desired discharge current flows through the load resistor.