Abstract: An electric vehicle charging plug includes a housing for connecting to an electric vehicle, a main housing, a sensor comprising at least one conductive path embedded in a wall or arranged on the surface of the housing and/or main housing, and a control unit wherein the sensor is configured to detect the crack of the housing and/or the main housing.

Abstract: A holder for a charging gun includes a housing configured for receiving an end portion of a charging gun such that connector pins located at the end portion of the charging gun are completely covered by the housing of the holder, a protecting means configured for holding the charging gun in a designated position, and a connecting means that is configured for attaching the housing to a cable.

Abstract: A system and method relating to a liquid cooled cable arrangement includes a charging connector and a liquid cooled charging cable, wherein the liquid cooled charging cable comprises a plurality of conductors for supplying charging current and at least two fluid channels for supply and return liquid coolant, the charging connector comprises a plurality of bus bars and a plurality of contacts, and the charging connector comprises a second part made from a thermally conductive and electrically insulating material to which the bus bars are attached and to which the fluid channels are thermally connected such that heat generated in the contacts during charging can be removed by the liquid coolant, and/or the bus bars may include bus bar fluid channels to which the fluid channels are thermally connected such that heat generated in the contacts during charging can be removed by the liquid coolant.

Abstract: A system and method for charging an electric vehicle includes a calibrated energy meter and a calibrated time meter, wherein the calibrated energy meter is characterized by a minimum charge current that is accurately measurable due to the calibration. The system and method is configured, when charging the electric vehicle with an actual charge current during a charging session, for initially metering the actual charge current with the calibrated energy meter as long as the actual charge current is in a range between the rated charge current and the minimum charge current or a value related to the minimum charge current and thereafter, when the metered charge current falls below the minimum charge current (Imin), for metering a charge time with the calibrated time meter until the charging session ends.

Abstract: A charging cable includes a ground conductor and extending in a longitudinal direction, at least two heavy-current power wires for conducting positive and negative direct current, each comprising a power conductor and insulation, the heavy-current power wires extending parallel to the ground wire, a liquid tight inner sheath extending in the longitudinal direction and surrounding the heavy-current power wires to define a first hollow area between and around the heavy-current power wires, liquid coolant being provided between the heavy-current power wires along the longitudinal direction, wherein the liquid tight inner sheath comprises a second hollow area extending in the longitudinal direction, arranged adjacent to at least one of the heavy-current power wires and comprising liquid coolant to flow within the second hollow area, and a liquid tight outer sheath extending in the longitudinal direction and surrounding the inner sheath and the ground heavy-current wire.

Abstract: A system and method for ensuring a defined position of a charging connector includes a signal transmitter, a corresponding signal detector unit for detecting the signal of the signal transmitter, and a holder for holding the charging connector in the defined position. A detector device detects an orientation and/or movement of the charging connector in an environmental coordinate system. The system detects a presence of the charging connector in the defined position and determines the mechanical condition of the interface or a housing of the charging connector via the signal of the signal transmitter, and compares the orientation and/or movement of the charging connector with a corresponding orientation and/or movement of the charging connector to be expected when the charging connector is in the defined position.

Abstract: A charging connector for a vehicle charging station comprises a latch configured to secure a mechanical connection of the charging connector to a vehicle-side socket, the charging connector further comprising a sensor configured to indicate a secure and correct mechanical connection. The charging connector further comprises a first casing being an external casing, and a second casing, the second casing being a closed inner casing. The second casing encloses a charging connector interface to the vehicle socket, and a charging cable. The sensor is arranged outside the second casing.

Abstract: A motion system includes a linear actuation system having a plurality of actuators of a first-type and at least a first kinematic link connected by an eighth joint to the plurality of first-type actuators; a first subsystem comprising a linear actuation system connected to a fourth kinematic link by a first revolute joint; a second subsystem comprising the first subsystem connected to a ground plate, the linear actuation system connected to the ground plate by a third joint and to a fifth kinematic link by a fourth joint. The second kinematic link is connected to the first subsystem; a wrist element is connectable to at least one tool element, wherein the wrist element is connected to the second subsystem, wherein the wrist element and the second subsystem generate a coordinated movement such that the tool element is movable relative to the ground plate.

Abstract: A belt includes a plurality of elements connected to each other having a first link element and at least a second link element connected to each other by a connecting bridge member; wherein each of the link elements has a body from which a first bump element and opposite to the first bump element a second bump element elevates; wherein both bump elements are configured in a tooth-like shape; and at least a flat-shaped inlay element of a flexible material that is embedded inside the belt in the first link element and the connecting bridge member.

Abstract: A belt actuator system includes at least a drive unit, a belt zipper system configured to form a third belt element in a zip-fastening manner of a first belt element and a second belt element comprising: a guiding arrangement configured to move the first belt element and the second belt element in a synchronous manner; a first zip-fastening arrangement, wherein the first zip-fastening arrangement is configured to connect a first part of the first belt element with a second part of the second belt element in a zip-like manner to obtain the third zip-fastened belt element, and wherein the drive unit is connected to the first zip-fastening arrangement configured to drive the first zip-fastening arrangement.

Abstract: A cooling system for electric vehicle charging infrastructure exhibits a centralized cooling arrangement in which heat is collected from a plurality of heat-generating components of the EVCI and dissipated into the surrounding environment via a common outlet. The cooling system comprises: a thermal energy storage element configured to act as a buffer for temporarily storing the heat collected from the plurality of heat-generating components; and a primary heat exchanger serving as the common outlet, wherein the primary heat exchanger is configured to dissipate the heat temporarily stored by the thermal energy storage element with the surrounding environment.

Abstract: A power electronic converter includes a plurality of converter cells, each comprising an inductive power transfer stage having a coupled inductor coupling first and second sides of the converter cell, wherein the inductor comprises a first winding around a first magnetic core and a second winding around a second magnetic core; wherein the first winding and the first magnetic core are separated from the second winding and the second magnetic core by a flat electric insulation layer that provides electric insulation between the first and second sides of the converter cell; wherein at least two of the coupled inductors are arranged so that their insulation layers form a single contiguous insulation layer.

Abstract: A flying capacitor switching cell-system includes at least two flying capacitor switching cells, wherein each of the cells comprises an arrangement of at least one semiconductor system, and wherein the cells are in parallel in an electrical circuit.

Abstract: Described herein is a multi-level power convertor and a method for a multi-level power convertor. The multi-level power convertor includes a DC port; an AC port; a first power converting unit, a second power converting unit, a coupling inductor, and an inductive filtering unit. The first power converting unit is coupled to the DC port and includes a first AC terminal adapted to provide a first plurality of voltage levels. The second power converting unit is coupled to the DC port and includes a second AC terminal adapted to provide a second plurality of voltage levels, where the second plurality of voltage levels are phase-shifted by 90 degrees with respect to the first plurality of voltage levels. The coupling inductor includes first and second windings with a same number of turns. The inductive filtering unit is arranged between the AC port and ends of the first and second windings.

Abstract: The present disclosure provides a forced symmetry IMD and a method to control the forced symmetry IMD. The system comprises an electric system power source configured to deliver electrical power to a bus, the bus including a first bus bar and a second bus bar; a common node connected across the first bus bar and the second bus bar, the common node having a common voltage; and a forced symmetry insulation monitoring device (IMD) disposed along an IMD node connected to at least one of the first bus bar and the second bus bar, the forced symmetry IMD comprising a connection to ground and one or more IMD power sources, wherein the one or more IMD power sources of the forced symmetry IMD is configured to control the common voltage on the common node based on a currently detected common voltage and a reference voltage signal.

Abstract: A charging arrangement includes an electrical vehicle and a charging device configured for charging the electrical vehicle with electrical energy, where the electrical vehicle includes a first charging connector, and the charging device includes a second charging connector configured for connecting with the first charging connector, a bi-stable mechanics to which the second charging connector is attached and which is configured for holding the second charging connector in two stable equilibrium positions, whereby in one stable equilibrium position the second charging connector is connected to the first charging connector and the other stable equilibrium position the second charging connector is unconnected to the first charging connector and an actuation device configured for moving the second charging connector between the two stable equilibrium positions.

Abstract: A system and method for heavy-current charging cables for charging an electric vehicles includes a central heavy-current wire extending in a longitudinal direction, a plurality of heavy-current power wires comprising a power conductor and a power wire insulation surrounding said power conductor, the heavy-current power wires extending parallel to the central wire, a liquid tight inner hose extending in the longitudinal direction and surrounding the heavy-current central wire and the heavy-current power wires thereby defining a first hollow area comprising liquid coolant to flow between the heavy-current central wire and the heavy-current power wires along the longitudinal direction, and a liquid tight outer hose extending in the longitudinal direction and surrounding the inner hose thereby defining a second hollow area comprising liquid coolant to flow between the inner hose and the outer hose along the longitudinal direction.

Abstract: A connector for electric vehicle supply equipment includes: a housing that includes one or more electrical coupling members that are connectable between the electric vehicle supply equipment and a mating inlet of an electric vehicle to supply electric power to the vehicle. The housing includes a sensor for detecting light within the housing and outputting a signal in response to a detection of light within the housing to interrupt or disable the supply of electric power to the vehicle through the connector.

Abstract: An electric Vehicle Supply Equipment (EVSE) multichannel insulation monitoring device (MIMD) for insulation monitoring or earth leakage current monitoring, wherein the EVSE multichannel insulation monitoring device comprises multiple monitoring channels and wherein the EVSE multichannel insulation monitoring device includes a control and monitor device configured to individually monitor the insulation or earth leakage current of each monitoring channel.

Abstract: An arrangement for charging of electric vehicles includes a charging connector and a charging cable. The connector includes a connector body with first and second zones, the two zones being separate from each other. The first zone hosts a mating interface with electrical contacts for mating the connector with a corresponding socket of an electric vehicle. The electrical contacts are electrically coupled to the cable. The second zone includes a tube in which the cable is guided from an opening of the tube, which is arranged on that side of the second zone that faces away from the first zone to the electrical contacts, which are located in the first zone, and a handle for grabbing the connector with a human hand, the handle being separate from the tube. The second zone is Y-shaped where the tube is formed by one upper leg and the lower of the Y.