Abb Schweiz Ag

Abb E-Mobility B.v.

Gertjan Koolen

Stefan Raaijmakers

Jim Van-Der-Heijden

Lars Peter Bech

Wiebe Zoon

Rolf Bilderbeek

Jim Van Der Heijden

Adrian Hozoi

Luca Ghezzi

Miguel Rodriguez Escude

Ulf Embretsen

Balazs Villanyi

Cristoforo Emanuele La Rosa

Wiebe Adrianus Cornelis Zoon

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.

Electrical vehicle charging system for preventing of simultaneous closing of outlet contactors

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.

Method and system for improved current sensor

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.

Electric vehicle supply equipment, EVSE, for charging an electric vehicle

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.

Connector for electric vehicle supply equipment

A connector for electric vehicle supply equipment includes: a housing; a first electrical coupling member supported by the housing and that mates with an inlet of an electric vehicle, the first electrical coupling member including a first pin part; a second electrical coupling member supported by the housing and that mates with the inlet, the second electrical coupling member including a second pin part; and a conductive barrier supported by the housing that extends between the first and second pin parts. The conductive barrier interacts with at least one of the first and second pin parts to provide a conduction path for electrical power monitorable to evaluate electrical isolation of the first and second electrical coupling members and avoid electrical arcing or short-circuiting.

Electric vehicle supply equipment connector to resist electrical arcing and other faults

A Protective Earth (PE) loss detection method for charging an electrical vehicle is provided. The electrical vehicle comprises an Electrical Vehicle Supply Equipment (EVSE), a charging connector, and/or a charging cable comprising at least a Proximity Pilot (PP) line for a PP signal, a Control Pilot (CP) line for a CP signal and a PE line for a PE signal. The method comprises detecting interruption of the PE line by observing a change of the PP signal.

Protective earth (PE) loss detection

An electric vehicle charge equipment (EVSE) for supplying a charge current to an electrical vehicle includes: a liquid cooled charge cable with a charge connector for connecting to the electrical vehicle; and a charge current regulating device for regulating the charge current based on a temperature of the cooling liquid. Regulating the charge current includes: charging the electrical vehicle with a first charge current for an initial time period and thereafter charging the electrical vehicle with a second charge current that is greater than the first charge current, and/or reducing the charge current as long as the temperature of the cooling liquid is below a temperature threshold, and/or charging the electrical vehicle with a first charge current as long as the temperature of the cooling liquid is below a temperature threshold and thereafter charging the electrical vehicle with a second charge current that is greater than the first charge current.

Electric vehicle charge equipment

The invention relates to an electrical vehicle charging system, including a power source configured for providing electrical energy to charge an electrical vehicle, an outlet port configured for connecting the electrical vehicle to the charging system and for providing a DC voltage to the electrical vehicle, a switch configured for connecting the outlet port and the power source, and a control device configured, if the electrical vehicle is unconnected to the outlet port, for measuring the DC voltage at the outlet port, and configured, if the measured DC voltage is greater than zero, for switching off the DC voltage.

Charging system

An electric vehicle charging equipment (EVSE) system is provided. The EVSE system delivers direct current (DC) charging power and is configured for delivering electrical energy to a single electrical vehicle at a same time. The EVSE system comprises a plurality of charging cables with respective charging connectors for connecting to a respective plurality of electrical vehicles. At least one of the plurality of charging cables is liquid cooled and each of the plurality of charging cables comprises at least two DC power lines and at least two signal lines, which are each connected to a respective DC power line within the charging connector. The EVSE system further comprises a DC metering device configured for measuring, via the at least two signal lines, a connector voltage between the at least two DC power lines within the charging connector.

Electrical vehicle charging system for charging an electrical vehicle

The application relates to direct current, DC, charging cable including two DC conductors configured for transmitting electrical energy between an electrical vehicle and a charging device, at least a signal line having a first signal line end and a second, opposite signal line end and a control device, the first signal line end is connected at a first connection point to one of the DC conductors, and the control device is configured for measuring a voltage difference between the second signal line end and a second connection point of the one of the DC conductors distant to the first connection point for determining a temperature of the DC charging cable.

DC charging cable and method for determining a temperature of the DC charging cable

The invention relates to an electrical vehicle charging system for charging an electrical vehicle with DC energy, including a charger configured for delivering the DC energy, a DC charging cable having a first end and a second end, the first end is connected to the charger for receiving a DC voltage and the second end is configured for connecting the electrical vehicle, a DC voltage sensor configured, if a DC current greater zero flows from the charger to the electrical vehicle, for measuring at least a first DC voltage at the first end and for determining a differential DC voltage between the first DC voltage and a second DC voltage measured at the second end, and a DC voltage adjustment device configured for raising the DC voltage to compensate the differential DC voltage.

Growing community of inventors

Eindhoven, Netherlands

Gertjan Koolen