Abstract: The invention relates to an operating state circuit for driving an inverter with half-bridges having respective switching devices, which inverter supplies an n-phase supply voltage to an n-phase electrical machine via phase connections associated with the respective half-bridges, where n?1.

Abstract: The invention relates to a control device (4) for the actuation of a semiconductor switch (1) on an inverter having an actuation switch (16) that is designed to generate a driver signal (18) depending on a switch signal (5) generated by a control regulation of the inverter, and a driver circuit (15) that is connected between the actuation circuit (16) and a control input (13) of the semiconductor switch (1), and which is designed to receive the driver signal (18) and a control signal (7) depending on the driver signal (18), said control signal actuating a semiconductor switch (1) for the generation and infeed into the control input (13) of the semiconductor switch (1), wherein the actuation circuit (16) is designed to generate the driver signal (18) as a consequence of driver signal pulses with a predetermined and adjustable pulse length such that the semiconductor switch (1) is not fully conductive in the event of an actuation with the control signal (7) during the pulse length.

Abstract: The invention relates to a multi-stage charging device for a battery of a battery operated electrical motor. The multistage charging device comprises a buck converter, an intermediate circuit and a boost converter in order to generate a suitable direct charging current from a (one or three-phase) alternating current provided by a power connection. According to the invention, components of the electrical drive are used for the boost converter and the intermediate circuit: the electrical motor functions as an intermediate circuit and the drive converter functions as a boost converter. According to the invention, the coupling of the electrical motor to the network-side buck converter occurs so that at least half the charging current flows through at least one of the at least three coils of the electrical drive. The invention further relates to a corresponding method and to a corresponding use of the drive components.

Abstract: The invention relates to an operating state circuit for actuating an inverter (3), which supplies an n-phase electrical machine (5) with an n-phase supply voltage via phase connections (4a, 4b, 4c), wherein n?1, comprising an evaluation device (6) which is connected to the phase connections (4a, 4b, 4c) of the inverter (3) and which is configured to detect output voltages of the inverter (3) to the phase connections (4a, 4b, 4c) and to determine a speed of the electrical machine (5) on the basis of the detected output voltages, and an actuating device (7) which is coupled to the evaluation device (6) and which is configured to switch to an idle state or an active short-circuit in dependence on the determined speed of the inverter (3).

Abstract: A control apparatus for driving a semiconductor switch of an inverter. A drive circuit generates a driver signal on the basis of a switching signal generated by a control regulation system of the inverter. A driver circuit which is coupled between the drive circuit and a control input of the semiconductor switch is configured to receive the driver signal and to generate, on the basis of the driver signal, a control signal which drives the semiconductor switch. The control signal is fed into the control input of the semiconductor switch. A regulation circuit is coupled to the drive circuit and is configured to detect a voltage signal dependent on the voltage across the semiconductor switch, to generate a regulation signal which is dependent on the voltage signal and is intended to regulate the driver signal, and to feed the regulation signal into the drive circuit.

Abstract: A method and device for controlling operational sequences, in particular in a vehicle, a functional unit being connected to a bus system, the functional unit and/or the bus system being monitored by a monitoring unit, and the monitoring unit disconnecting, by an access operation, the connection of the functional unit to the bus system in a reliability case, the monitoring unit's access or operation being configurable by the functional unit so that the access path of the monitoring unit is interruptable by a configuration apparatus, arrangement or structure.

Abstract: A method and device for controlling operational sequences, in particular in a vehicle, a functional unit being connected to a bus system, the functional unit and/or the bus system being monitored by a monitoring unit, and the monitoring unit disconnecting, by an access operation, the connection of the functional unit to the bus system in a reliability case, the monitoring unit's access or operation being configurable by the functional unit so that the access path of the monitoring unit is interruptable by a configuration apparatus, arrangement or structure.

Abstract: A connector arrangement of a control system with a controller in a motor vehicle is designed so that it can be manufactured advantageously and is reliable in operation.To do so, the connector arrangement and the respective controller are designed so that several separate connector sockets with externally accessible contact elements are arranged on the controller, which is mounted on the vehicle's internal combustion engine as a surface-mounted controller, some of the contact elements being designed as high-current contact elements which are connected directly to one another through busbars running inside the controller.The respective mating connectors can be connected to the connector sockets, the mating connectors being electrically connected to components of the vehicle over cable harnesses or cable segments, where a first mating connector connected to cable segments is composed of partial mating connectors which can be handled independently of one another.

Abstract: The description relates to a process and a device for controlling internal combustion engines in motor vehicles with at least one microprocessor. Two data records may be written into a first store. An identification signal may be written into a preferred storage cell of each data record.