Abstract: A charging device autonomously charges an electric vehicle. The charging device includes: a main body and an arm coupled to the main body. The main body is controllably moveable, and the arm is controllably extendable and retractable in a longitudinal direction. A charging plug is included at a distal end of the arm. The charging plug is controllably moveable and insertable into a charging portal of the electric vehicle. The arm comprises: a rigid chain, the rigid chain being compliant in a first direction from a neutral axis and resistant in an opposite second direction past the neutral axis, or at least one scissor arm.

Abstract: A charging plug connector includes a power contact component having a first connecting region for galvanic connection to a corresponding connection region of the connecting device; a second connecting region electrically coupled to a charging cable, wherein the power contact component provides electrical energy from the charging cable to the first connecting region; a charging plug housing covering the power contact component; and a compressed air connector mechanically coupled to the charging plug housing; wherein the charging plug connector guides a compressed air stream provided to the compressed air connector to the power contact component for cooling it.

Abstract: A system and method for a pole separating arrangement for a multipole pantograph or a multipole fixed arrangement for charging an electric vehicle includes a first conducting pole arranged on an isolating carrier and configured for contacting a corresponding first pole on the electric vehicle; a second conducting pole arranged on the isolating carrier and configured for contacting a corresponding second pole on the electric vehicle; and an isolating pole separator arranged between the first conducting pole and the second conducting pole. The pole separator has at least one upward pointing arc.

Abstract: An electric connector includes a connector body having a connector core and two protruding cuboidal elements that, together, form a U shape. At least one conducting element is arranged at an inner side of the protruding cuboidal element. The conducting element protrudes, at least partly, from the inner side. The conducting element is arranged slidably between two notches, which are arranged in the cuboidal element. The conducting element and at least one notch of the two are configured for conducting charging current.

Abstract: An electrical vehicle (EV) connector includes a hybrid cooling system with a first cooling device for cooling a first portion of the connector in an area of effect of the first cooling device, and a second cooling device for cooling a second portion of the connector in an area of effect of the second cooling device. The first portion and the second portion are thermally connected to each other; and the area of effect of the first cooling device is configured for not overlapping or only insignificantly overlapping the area of effect of the second cooling device.

Abstract: An electric vehicle (EV) charging connector includes a contact element configured to receive a charging cable and to provide an interface to a vehicle charging socket, and a thermal mass element that is thermally connected to the contact element and configured to receive heat from the contact element.

Abstract: A method for detecting a bad contact of a charging cable comprises: measuring a cooling fluid temperature of a cooling fluid flowing through the charging cable; measuring a connector base temperature of a connector base of the charging cable, which connector base carries an electrical contact element of the charging cable; estimating a contact temperature of the electrical contact element by determining the contact temperature from a difference of the connector base temperature and the cooling fluid temperature; and deciding presence of a bad contact, when the estimated contact temperature is higher than a threshold temperature.

Abstract: A multi-pulse line-interphase transformer converter includes an electric part that includes magnetic components configured to be connected to a three-phase AC grid, and an electric part that includes a multi-phase voltage system configured to be connected to a common DC capacitor. The electric part splits each AC grid phase n times into two phases, resulting in a plurality of intermediate phases at an internal interface, each intermediate phase corresponding to a pulse of the multi-pulse line-interphase transformer converter. The intermediate phases are connected to the multi-phase voltage system. The multi-phase voltage system comprises bridges with actively controlled switches. The bridges are connected in parallel to the common DC capacitor.

Abstract: A calibration method for calibrating a magnetizable core, wherein the magnetizable core is coupled to a magnetic transducer; the method comprising applying a pulse of magnetomotive force to the core such that a distinct value of remanence is produced in the core, wherein the value of remanence in the core depends on a strength of the pulse.

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: An electric vehicle charging arrangement and method includes an electric vehicle supply equipment, EVSE, and an electric vehicle. The EVSE includes a plurality of power stages, each configured for providing electrical energy to charge the electrical vehicle, and each comprising a Y-capacitance, at least one outlet configured for connecting the electrical vehicle to at least one of the power stages for charging the electrical vehicle. At least one switch is configured for connecting two power stages in parallel and/or in series. A control device and/or the electric vehicle is/are configured for switching the at least one switch based on the Y-capacitance and on a vehicle information.

Abstract: A system and method for electrical vehicle charging includes a plurality of outlets, at least one parallelization switch, a guarding wire running in parallel along a DC path formed by outlet switches and at least one parallelization switch and comprising a plurality of outlet guarding switches, a plurality of current sensors, a plurality of voltage sources and at least one parallelization guarding switch, and a control device connected to the current sensors. Each voltage source, current sensor and outlet guarding switch is associated to each one outlet. Each outlet guarding switch is associated to one outlet switch. The control device is configured for opening at least one of the outlet switches and/or the at least one parallelization switch when at least one of the current sensors measures a current greater than zero.