EP3423845A1 - Transformateur de mesure - Google Patents

Transformateur de mesure

Info

Publication number
EP3423845A1
EP3423845A1 EP16790311.1A EP16790311A EP3423845A1 EP 3423845 A1 EP3423845 A1 EP 3423845A1 EP 16790311 A EP16790311 A EP 16790311A EP 3423845 A1 EP3423845 A1 EP 3423845A1
Authority
EP
European Patent Office
Prior art keywords
variable
circuit
measuring
measured
transducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16790311.1A
Other languages
German (de)
English (en)
Inventor
Holger Riemenschneider
Stephan CATER
Jürgen WAFFNER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCS Abwicklungs AG
Original Assignee
Innogy SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innogy SE filed Critical Innogy SE
Publication of EP3423845A1 publication Critical patent/EP3423845A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/36—Induction meters, e.g. Ferraris meters
    • G01R11/38—Induction meters, e.g. Ferraris meters for single-phase operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the subject matter relates to a transducer for charging stations of electric vehicles and a method for operating a transducer. Due to the increasing use of electrical charging stations for
  • the transducer initially comprises a to a
  • a DC charging circuit connectable measuring device for detecting at least one DC measurement variable.
  • a DC charging circuit can be understood in this case as the electric charging circuit to which an energy storage of a
  • Electric vehicle is connected.
  • the charging station is electrical energy to the electric vehicle.
  • To stabilize the grid it is also possible to feed the vehicle back into the grid via the charging station.
  • the following description thus refers to both options, wherein here only a change of sign takes place in the current flow direction.
  • a DC voltage is obtained with a certain amount of current from a charge controller of an electric vehicle.
  • Electric vehicle thus draws electrical energy, which corresponds to the product of electricity, voltage and time. Possible DC measurements can be
  • the measuring instruments used must meet all calibration requirements.
  • the inventors have realized that it is possible to measure the electrical energy provided in the DC charging circuit in an AC measuring circuit, in particular in the AC measuring circuit, an electrical energy is consumed which is many times lower, however, as the electric power provided in the DC charging circuit, the conversion factor is constant.
  • the inventors propose a converter for the conversion of
  • the AC control variable outputted from the converter is used for the purpose of operating an actuator which adjusts an AC variable in an AC measurement circuit depending on the AC manipulated variable.
  • measured AC variable in particular the active power to make a constant factor lower than the active power that is provided through the DC charging circuit in the electric vehicle. Conversion factors of 1,000 or 5,000 are conceivable. Corresponding AC meters are available, which perform a corresponding scaling up and output the measured effective electrical power in the AC circuit by the known factor multiplied by the measured electric power, respectively taking into account the time, as electrical energy.
  • the converter usually has a constant conversion factor, for example a corresponding to the AC meter
  • the converter is set up in such a way that the magnitude of the AC variable is at least one Factor ten is smaller than the amount of the DC measured variable.
  • factors of greater than 100 for example 1,000 or even 5,000.
  • Corresponding AC meters are available which multiply by a corresponding factor the measured AC magnitude.
  • DC measuring variable comprises at least a DC voltage and / or a DC current.
  • the DC measured variable depends on the
  • DC measurement may be derived from the DC and / or DC current measured in the DC charging circuit.
  • the DC measured variable is an electrical power.
  • the electrical power is usually determined from the electrical voltage and the electric current in the DC charging circuit.
  • the AC control variable can be tracked in accordance with equally small intervals.
  • the AC variable is preferably an electrical power, in particular an electrical active power.
  • active power is preferably consumed. This can be realized by parasitic, capacitive or inductive loads are minimized as possible in the AC circuit and only an ohmic resistance is provided in the AC circuit.
  • the electrical real power is objective
  • DC charging circuit these factors are preferably 10, 100, 1,000, 5,000 or the like.
  • an AC energy meter is installed, which measures the electrical energy consumed in the AC measuring circuit.
  • Such a meter is preferably a Ferraris meter or a smart meter.
  • Such a smart meter is preferably remotely readable so that the electrical energy measured in the AC power circuit can be read remotely via a billing center.
  • the DC measurement especially the DC in the
  • DC charging circuit is detected via an ohmic resistance, in particular a measuring resistor.
  • This measuring resistor is subject
  • Measuring resistance determined current is temperature dependent.
  • a temperature in the DC charging circuit is detected.
  • the temperature is preferably detected by a temperature sensor.
  • the temperature sensor is arranged on the DC charging circuit.
  • the temperature sensor is arranged directly on the measuring resistor in the DC charging circuit and thus directly detects the temperature of the measuring resistor.
  • the AC control variable is then additionally dependent on the measured temperature of the
  • a phase angle between the alternating current and the alternating voltage can be determined.
  • Alternating current measuring circuit can be fed back to the converter and there serve as feedback to the reference variable of the DC measured variable, for adjusting the AC variable.
  • the measured in the AC measuring circuit AC magnitudes can be fed back together or independently of each other to the converter so as to allow control of the AC variable.
  • the measured DC measured variable in particular the DC voltage and the DC current, can first be scaled in a scaler, for example, to be fed to an analog-to-digital converter.
  • the analog-digital converter usually has a limited resolution. To rule out errors due to inaccurate quantization, it is proposed to use a
  • Operational amplifier first perform a scaling of the DC measured variables to their value dynamics, in particular to reduce the amplitude of the measured values.
  • AC circuit is provided a constant current source.
  • Constant current source is set depending on the AC variable. about the constant current source flows a constant alternating current in the AC measuring circuit, which is measured together with the AC voltage in the meter and thus an active power and / or taking into account the time an active energy is measured.
  • the constant current source is preferably an adjustable resistor
  • the alternating current measuring circuit can be connected to a 230 V mains network
  • a current flow in the AC measuring circuit can be, for example, 200 milliamperes. In phase equilibrium thus results in an active power of 46 W in the
  • This active power is measured by the AC meter and an active energy is output.
  • An active power of 46 W may correspond to a DC power in the DC charging circuit of 46 KW at a factor of 1,000 as it can be set in the converter. This means that when an electric vehicle with 46 KW charges in the AC circuit, only 46 W of "measurement power" is consumed, an even higher factor leads to an even lower consumption of "measurement power” in the AC circuit, which increases the cost effectiveness of the instrument. According to one embodiment, it is proposed that the converter adjusts the alternating current manipulated variable such that the active electrical power in the
  • AC circuit is a constant factor smaller than the electric power in the DC charging circuit.
  • the factor is, as mentioned, preferably over 100, in particular at 1,000 or 5,000.
  • the factor may be dependent on the type of energy meter in the AC power circuit. Becomes an energy meter With a factor of 5,000, the factor for the converter can also be set to 5,000.
  • the AC measuring circuit is a single-phase AC circuit.
  • Another aspect is a method of operating a transducer
  • DC charging circuit at least a DC measured variable is measured, from the DC measuring variable an AC variable is determined and a
  • AC variable is operated.
  • the method can be implemented particularly simply if the
  • AC circuit has a power supply and is operated with mains voltage.
  • this grid voltage is dependent on the respective grid operator and / or operator country and may be, for example 230 V or 110 V AC.
  • the DC measured variable is preferably detected at short intervals in order to be able to map the detected instantaneous electrical power as accurately as possible. Only then is the measured electrical energy as accurate as possible an image of the available electrical energy. That's why
  • the intervals are less than one second, preferably less than 100 ms, in particular 10 ms.
  • Fig. 1 a DC charging circuit
  • Fig. 2 a converter
  • Fig. 1 shows a DC charging circuit 2.
  • the DC charging circuit 2 is fed via a rectifier (not shown) with DC voltage at its terminals 4a, 4b.
  • the DC charging circuit is usually designed for powers of more than 10 kW, preferably more than 40 kW, in particular more than 70 kW electrical power.
  • Charging contacts 6a, 6b can be used to connect an electric vehicle 8 to the DC charging circuit 2.
  • the DC charging circuit 2 is usually in one
  • Charging station installed, which has a corresponding plug contact with a
  • Electric vehicle 8 can be connected.
  • the DC charging circuit 2 is shown for the sake of clarity only with the relevant for the subject transducer measuring devices.
  • the DC charging of an electric vehicle 8 naturally requires further technical facilities, which are not shown here for the sake of clarity.
  • a measuring resistor 10 is provided in the DC charging circuit 2.
  • Measuring resistor 10 is usually a measuring shunt, which has a constant current / voltage behavior as possible over a wide temperature range.
  • Measuring shunt can e.g. made of manganin.
  • the voltage drop is measured with a voltmeter 12. From this voltage value, the current intensity in the DC charging circuit can be derived if both the temperature and the current-voltage characteristic of the measuring resistor 10 are known.
  • a DC measured value 20 derived from the voltage measured at the voltmeter 12 is output.
  • a DC voltage between the charging contacts 6a, 6b is applied via the
  • Tension meter 14 is measured and the measured DC voltage is called
  • a temperature sensor 16 is provided, which is preferably arranged directly on the measuring resistor 10 and thus preferably measures the temperature of the measuring resistor 10.
  • the temperature sensor 16 outputs a temperature reading 24.
  • the measured values 20, 22, 24 measured in the DC charging circuit 2 are then first supplied to a scaling device 30, as shown in FIG.
  • the scaling device 30 in particular the DC measured value 20 and also the DC voltage measured value 22 are scaled, in order in particular to ensure a magnitude-reduced amplitude of the measured values.
  • the scaling can be done for one, several or all measured values 20, 22, 24.
  • a power reading 26 is applied to the scaler, which is detected as described below.
  • DC readings 20, 22 as a function of the temperature reading 24 and the feedback power reading 26 into an AC control value 28.
  • the DC measured value and the DC measured value 20, 24 are used to determine an electric power in the DC charging circuit.
  • the temperature reading 24 may be used to calculate a temperature drift from the DC reading. Does that have
  • Measuring resistor 10 is not over the entire temperature range, a constant current / voltage characteristic, so a temperature drift due to the
  • Temperature reading 24 are taken into account and so out of the over the resistor 10 measured voltage of actually flowing in the DC charging circuit 2 direct current can be determined. Temperature adjusted then the
  • DC power can be determined in the DC charging circuit 2.
  • an AC variable can be determined.
  • the factor can for example be applied to the DC power. If, for example, a direct current power of 1 kW results, the alternating current manipulated variable is at a factor of 1000 to 1 W. It is preferably a linear conversion of the direct current measured variable in one
  • the AC control variable 28 is output at the converter 34 and used, for example, to convert it to an AC current in a known
  • the AC manipulated variable 28 becomes, as shown in FIG.
  • Constant current source 36 is supplied.
  • the constant current source 36 usually has adjustable resistance. The current can be adjusted via the constant current source 36 via the resistor.
  • the resistance set in the constant current source 36 is determined by the voltage in the AC measurement circuit 38 and the AC variable. For example, if the electric power in the DC charging circuit 2 is 23 kW, a factor of 1,000 in the converter 34 results in an AC power of 23 W. With an AC voltage of 230 V AC, this results in an AC variable of 0.1 for a power factor cosphi of 1 Amp. This current leads to a setting of the resistance in the constant current source 36 to 2.3 kH. It should be noted that this is purely exemplary and depending on the factor and other boundary conditions, the constant current source 36 can also be operated with other values.
  • the AC measuring circuit 38 is connected via a network connection 40 with a
  • the electrical supply network provides In particular, a supply voltage of 230 V AC available.
  • AC measuring circuit 38 is in particular a single-phase measuring circuit and, in addition to the constant current source 36, has an energy meter 42
  • Energy meter 42 detects in particular the active electrical power or active energy that is consumed in the AC measuring circuit 38. For example, in the above example, this is 23 W power. If it accumulates consistently over one hour, ie if the vehicle constantly charges, for example, with 23 kW over one hour, and thus has received an electrical energy of 23 kWh, the energy counter 42 measures 23 Wh. However, the output measured value could be 23 kWh, when the energy counter 42 has a corresponding conversion factor of 1,000.
  • AC measurement circuit is preferably detected via a voltmeter 44 which measures the voltage drop across the constant current source 36.
  • AC voltage is detected by a voltmeter 46.
  • a phase angle between current and voltage can be detected.
  • the measured values derived therefrom are fed to an evaluation circuit 48 and stored in the
  • Evaluation circuit 48 is based on the measured values in the
  • AC measuring circuit 38 consumed active power determined. This active power can be coupled out as a power measurement value 26 and, as shown in FIG. 2, supplied to the scaler 30.
  • the active power 26 is supplied to the converter 34 and can be compared with the AC variable.
  • a control in particular a P-control, a PI control or a PID control can be done so as to synchronize the measured direct current measured variable and the set

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un transformateur de mesure pour des stations de recharge de véhicules électriques, comprenant un dispositif de mesure qui peut être raccordé à un circuit de recharge à courant continu et qui sert à déterminer au moins une grandeur de mesure de courant continu, un transformateur pour transformer la grandeur de mesure de courant continu en une grandeur de réglage de courant alternatif, ainsi qu'un organe de réglage pour régler au moins une grandeur de courant alternatif dans un circuit de mesure de courant alternatif en fonction de cette grandeur de réglage de courant alternatif.
EP16790311.1A 2016-02-29 2016-10-26 Transformateur de mesure Withdrawn EP3423845A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016103556.4A DE102016103556A1 (de) 2016-02-29 2016-02-29 Messwandler
PCT/EP2016/075758 WO2017148547A1 (fr) 2016-02-29 2016-10-26 Transformateur de mesure

Publications (1)

Publication Number Publication Date
EP3423845A1 true EP3423845A1 (fr) 2019-01-09

Family

ID=57223668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16790311.1A Withdrawn EP3423845A1 (fr) 2016-02-29 2016-10-26 Transformateur de mesure

Country Status (6)

Country Link
US (1) US10322638B2 (fr)
EP (1) EP3423845A1 (fr)
CN (1) CN108700619A (fr)
CA (1) CA3013954C (fr)
DE (1) DE102016103556A1 (fr)
WO (1) WO2017148547A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021101529A1 (de) * 2021-01-25 2022-07-28 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Prüfen eines DC-Zählers in einer Ladesäule und Prüfstand für eine Ladesäule

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Also Published As

Publication number Publication date
CN108700619A (zh) 2018-10-23
DE102016103556A1 (de) 2017-08-31
CA3013954A1 (fr) 2017-09-08
US20180370380A1 (en) 2018-12-27
CA3013954C (fr) 2019-11-19
US10322638B2 (en) 2019-06-18
WO2017148547A1 (fr) 2017-09-08

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