Abstract: A high-voltage charge booster is provided for charging a direct current traction battery at a direct current charging pillar. The high-voltage charge booster has a converter (14) for transforming the first voltage level into the second voltage level if the first voltage level differs from the second voltage level. A bypass (16) bypasses the converter (14) or connects through a power stage if the first voltage level corresponds to the second voltage level.

Abstract: A power arrangement for a vehicle includes an AC charger for connecting to an external AC voltage supply and providing an HV DC voltage for the vehicle, an HV temperature regulating device for regulating the temperature of an HV battery storage device of the vehicle, a DC/DC converter for converting the HV DC voltage into an on-board electrical system voltage of the vehicle, and an HV voltage distribution for distributing the HV DC voltage n the vehicle. The AC charger is embodied using semiconductor technology without galvanic isolation. The power arrangement includes a housing, in which the AC charger, the HV temperature regulating device, the DC/DC converter and the HV voltage distribution are arranged to form an integrated power box. Also described is a vehicle including the abovementioned power arrangement.

Abstract: A method for controlling a charging apparatus of a vehicle, in particular an electric or hybrid vehicle, wherein the charging apparatus has a charging device including a protection and monitoring device. The vehicle includes a high-voltage on-board power system and an electrical energy storage apparatus connected to the high-voltage on-board power system. The method includes electrically connecting the high-voltage on-board power system to charging connections of an energy supply system by the charging apparatus. The charging connections include a neutral conductor, a protective conductor and at least one phase conductor. A protective conductor resistance is detected between the neutral conductor and the protective conductor by feeding in a test current by the protection and monitoring device. A frequency of the test current is filtered out of the compensation frequency range on a narrowband basis.

Abstract: A communication unit or a vehicle has a control unit, a first connection, a second connection, a first switchable resistance bridge, a second switchable resistance bridge and a measuring apparatus for generating a measurement signal characterizing the voltage at the first resistance bridge. The first switchable resistance bridge and the second switchable resistance bridge are each provided between the first connection and the second connection and are connected in parallel with one another. The control unit has at least one first state and one second state, which first state corresponds to an active charging operation, and which second state occurs when the control unit in the first state receives an external abort signal via the first connection and the second connection. In the event of a change to the second state, the control unit turns off the first switch, turns off the second switch, and turns on the second switch.

Abstract: A monitoring apparatus has a control apparatus for monitoring a cooling apparatus for a power electronics arrangement. The control apparatus has an input and an output, which input is configured to receive a temperature signal from a temperature sensor, and to determine a temperature value depending on the temperature signal, and which output is configured to output an output signal. The control apparatus performs the following steps: ascertaining at least twice a temperature value and a time value assigned to the temperature value, ascertaining a difference quotient of the change in the temperature values to the change in the assigned time values, determining the state of the cooling apparatus of the power electronics arrangement depending on the ascertained difference quotient, outputting the output signal depending on the state in order to influence the power electronics arrangement.

Abstract: A charging plug for an electrically driven vehicle has a feed line for electrically connecting the charging plug to a charging infrastructure. The charging plug includes power contacts, a signal contact, a rectifier, and a control and protection device. The power contacts and signal contact electrically connect the charging plug to the vehicle. The rectifier is connected to the feed line and to the power contacts for converting an alternating current obtained by the feed line into a direct current that is delivered by the power contacts to the vehicle in a charging process. The control and protection device is connected to the feed line, to the power contacts and to the signal contact for matching the charging process to the vehicle by means of the signal contact.

Abstract: A method for recognizing an over-temperature in a region of a charging socket of a motor vehicle without a temperature sensor. A temperature value is detected by means of a temperature sensor at an installation location of the temperature sensor that is different from the region. At least one configuration value of a current operating configuration in which the charging socket is operated is determined, and then a temperature reading for the region without the temperature sensor is generated by means of a characteristic map, which is designed for the purpose of including the temperature value and the at least one configuration value as input variables and of assigning the temperature reading to these input variables.

Abstract: A charging device for a vehicle is made available, which has two multi-pole connections, each of which can be coupled to a charging interface which is arranged on the vehicle. A power electronics module which is designed to convert alternating current into direct current is coupled to the two multi-pole connections. At least one measuring device which is designed to determine a parameter of the charging current is present at a pole of one of the two multi-pole connections during a charging process. An evaluation unit is coupled to the at least one measuring device and is designed to determine, on the basis of the parameter determined by the measuring device, whether the charging process is taking place by means of the first or by means of the second multi-pole connection.

Abstract: An on-board charger for an electrically driven vehicle having (i) at least one connector for connecting a plug, the connector including a seal for sealing the connector; and (ii) an edge, running around the connector, for protecting the seal against sprayed water. A method for manufacturing the on-board charger includes the steps of injection molding a housing of the on-board charger, and integrally injection molding the edge onto the housing. A vehicle includes a drive which is supplied with electrical driving energy, a traction battery for storing the driving energy, and the on-board charger for charging the traction battery with the driving energy.

Abstract: A charging apparatus (22) for a motor vehicle (10) has a plurality of plug connection members (12, 14, 16) to connect the charging apparatus (22) to at least one external electrical energy source (18, 20), a plurality of temperature measuring elements (26, 28, 30) are associated respectively with the plug connection members (12, 14, 16) to detect a temperature of the plug connection members (12, 14, 16), and an evaluation unit (32) electrically connected to the temperature measuring elements (26, 28, 30) to evaluate the detected temperature of the temperature measuring elements (26, 28, 30). The temperature measuring elements (26, 28, 30) are connected to the evaluation unit (32) by a common first connecting line (42), and connectable electrically to the control unit (32) individually by a second connecting line (36, 38, 40) in each case.

Abstract: A method is provided for setting up an on-board charger in an electrically driven vehicle with the following features: a proxy resistor of a charging socket of the vehicle is queried (44, 68); if the proxy resistor is present (46), a master configuration (48, 50, 52) of the on-board charger is carried out; and if the proxy resistor is not present (70), a slave configuration (72, 74, 76) of the on-board charger is carried out.

Abstract: A method is provided for operating a DC-DC converter (22) of a charger (20). The DC-DC converter has on a primary side a first transformation coil (28) and at least one second transformation coil (30) that are arranged in series one behind another and also alongside a secondary side transformation coil (48). A respective semiconductor switch is connected in parallel with the at least one second primary side transformation coil (30). The at least one second primary side transformation coil (30) is switched either on or off by the semiconductor switch depending on a present value of at least one operating parameter of the charger (20).

Abstract: A charging system (2) for a battery (3) has a first electrical terminal (4) for an AC voltage, a second electrical terminal (5) for a DC voltage and a converter (8). The converter (8) is designed to convert the AC voltage of the first terminal (4) into a DC voltage for charging the battery (3), and to convert a magnitude of a DC voltage that is passed from the second terminal (5) to the converter (8) in terms of the magnitude and to forward it to the battery (3). The converter (8) also is designed to convert the DC voltage of the battery (3) into an AC voltage for driving an electric motor (9).

Abstract: A power supply unit (1) that is to be connected to different types of power supply networks includes an input (2) to receive AC power from the power supply network and an output (3) for providing power to an electrical device. The electrical device may for example be a computer, a telecom infrastructure device, inductive cooking/heating systems or an on-board charger of an electrical automotive vehicle. The power supply unit (1) includes at least two converters (4) that are connected between the inputs (2) and the output (3) and it further includes a controllable switching arrangement (5). The switching arrangement (5) includes a number of controllable switches (6) to controllably connect the converters (4) in different configurations to the input (2) and therefore also controllably to different supply lines of the power supply network.

Abstract: A method for recognizing an over-temperature in a region of a charging socket of a motor vehicle without a temperature sensor. A temperature value is detected by means of a temperature sensor at an installation location of the temperature sensor that is different from the region. At least one configuration value of a current operating configuration in which the charging socket is operated is determined, and then a temperature reading for the region without the temperature sensor is generated by means of a characteristic map, which is designed for the purpose of including the temperature value and the at least one configuration value as input variables and of assigning the temperature reading to these input variables.

Abstract: A charging device for electric vehicles or plug-in hybrids has a housing. At least one printed circuit board with fuses thereon is arranged on the printed circuit board. The printed circuit board, together with the fuses, is arranged in the interior of the housing and is connected to the housing in a force-fitting and/or interlocking manner by at least one fastening element (2). A covering element (1) covers the printed circuit board and the fastening element (2) at least in sections, and insertion or removal of the fuses onto or from the printed circuit board can be carried out only by removing the printed circuit board from the interior of the housing. The covering element (1) has to be damaged at least in sections to remove the printed circuit board.

Abstract: A charging apparatus (22) for a motor vehicle (10) has a plurality of plug connection members (12, 14, 16) to connect the charging apparatus (22) to at least one external electrical energy source (18, 20), a plurality of temperature measuring elements (26, 28, 30) are associated respectively with the plug connection members (12, 14, 16) to detect a temperature of the plug connection members (12, 14, 16), and an evaluation unit (32) electrically connected to the temperature measuring elements (26, 28, 30) to evaluate the detected temperature of the temperature measuring elements (26, 28, 30). The temperature measuring elements (26, 28, 30) are connected to the evaluation unit (32) by a common first connecting line (42), and connectable electrically to the control unit (32) individually by a second connecting line (36, 38, 40) in each case.

Abstract: An on-board charger for an electrically driven vehicle having (i) at least one connector for connecting a plug, the connector including a seal for sealing the connector; and (ii) an edge, running around the connector, for protecting the seal against sprayed water. A method for manufacturing the on-board charger includes the steps of injection molding a housing of the on-board charger, and integrally injection molding the edge onto the housing. A vehicle includes a drive which is supplied with electrical driving energy, a traction battery for storing the driving energy, and the on-board charger for charging the traction battery with the driving energy.

Abstract: A method is provided for operating a DC-DC converter (22) of a charger (20). The DC-DC converter has on a primary side a first transformation coil (28) and at least one second transformation coil (30) that are arranged in series one behind another and also alongside a secondary side transformation coil (48). A respective semiconductor switch is connected in parallel with the at least one second primary side transformation coil (30). The at least one second primary side transformation coil (30) is switched either on or off by the semiconductor switch depending on a present value of at least one operating parameter of the charger (20).

Abstract: A method is provided for setting up an on-board charger in an electrically driven vehicle with the following features: a proxy resistor of a charging socket of the vehicle is queried (44, 68); if the proxy resistor is present (46), a master configuration (48, 50, 52) of the on-board charger is carried out; and if the proxy resistor is not present (70), a slave configuration (72, 74, 76) of the on-board charger is carried out.