EP4041592A1 - Elektrische vorrichtung zur energiesteuerung - Google Patents
Elektrische vorrichtung zur energiesteuerungInfo
- Publication number
- EP4041592A1 EP4041592A1 EP20781599.4A EP20781599A EP4041592A1 EP 4041592 A1 EP4041592 A1 EP 4041592A1 EP 20781599 A EP20781599 A EP 20781599A EP 4041592 A1 EP4041592 A1 EP 4041592A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power
- difference
- electric
- value
- voltage
- 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.)
- Pending
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
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
-
- 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
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
-
- 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 invention relates to the field of recharging batteries, in particular of electric vehicles.
- the Applicant has designed an energy management device which makes it possible to optimize the operation of electric vehicle charging stations. This device is called "Qometer”.
- Electric vehicle (EV) charging stations can be installed either behind a dedicated meter or an existing meter. In the case of installation behind an existing meter, the charging stations share the power available at the meter with other devices using the same electricity subscription.
- a charging station at full power can trip the entire electrical installation for which the subscription is limited.
- the maximum subscribed power is 12 kVA (kW).
- charging station installers can act on 3 parameters:
- the solution generally adopted by installers consists in increasing the power subscribed to the meter, delaying the EV recharging time until late at night when other devices reduce their consumption, and limiting the maximum power of the vehicle. charger.
- Some modern meters make it possible to know, through access to a communication port, the instantaneous consumption of the meter. However, not all meters are equipped with this function and furthermore, when such a communication function exists, the communication standard differs from one meter model to another and from country to country.
- the so-called “intelligent” meters communicate in Slave mode. This means that it is up to a third party device (Master) to launch a request to know the power of the meter.
- Master third party device
- the electrical energy management device comprises several modules:
- this module calculates the instantaneous power by measuring the current and the voltage at the main meter without introducing a cut in the main electrical circuit and independently of the main meter.
- this module uses a LAN type communication protocol (Ethernet, Wifi, HomePlug CPL, Bluetooth, etc.) to establish communication with the charging station.
- a LAN type communication protocol Ethernet, Wifi, HomePlug CPL, Bluetooth, etc.
- Control module made up of a micro-controller, this module interrogates (via an analogue-digital link) at a relatively high frequency the energy module (above) and transmits a new power value to the charging station (via the communication module) only if the variation in instantaneous power exceeds a certain threshold set by the system manager.
- the modules can be implemented in software.
- the electrical energy management device allows the charging station to automatically adapt its power as a function of: the power subscribed to at the level of the meter, the instantaneous cumulative power used by all the devices of the electrical network using this same meter, y including the charging station itself.
- the electrical energy management device therefore makes it possible to optimize the power of the charging station, to minimize the charging time and to protect the main meter under various circumstances against a risk of tripping.
- the electrical energy management device comprises a measuring device comprising a current sensor configured to measure an electrical current downstream of the power of a low-voltage electrical meter, a voltage sensor configured to measure an electrical voltage at the power output of the low voltage electric meter, and a power calculating unit receiving current information from the current sensor and voltage information from the voltage sensor, and being configured to calculate the electric power consumed at the output of power of the electric meter.
- the electrical energy management device comprises a control unit receiving information on the electrical power consumed from the power calculation unit, calculating the difference between said information on electrical power consumed and a previous value, comparing the absolute value of said difference at a threshold, in the event of an absolute value of said difference below the threshold remaining at rest and in the event of an absolute value of said difference greater than the threshold sending a message containing a power value to an energy storage battery recharging terminal electrical, the charging station being remote from the measuring member and the control member, said previous value being said power value contained in the previous message.
- the measuring member and the control member have a common housing.
- the common box houses the control unit and a power calculation unit for the measuring unit.
- control unit comprises a communication unit configured to establish an at least one-way connection to the charging station.
- the charging station is configured to receive said message and adapt its energy consumption to the difference between a subscribed power and the power value contained in said message.
- the difference between a subscribed power and the power value can also be calculated at the level of the control unit. In this case, it is the new power to which the charger is to operate transmitted to it. It is also possible that there is communication with a central server which controls the charger by default.
- a slave charging station is controlled by said control member.
- said threshold is greater than or equal to 1% of the subscribed power.
- the frequency for comparing the absolute value of said difference to said threshold is less than or equal to 100 Hz.
- said message is sent at a frequency at least 10 times lower than the frequency for comparing the absolute value of said difference with said threshold.
- the calculation of the difference between a subscribed power and the power value is performed by the control unit, the new power at which the charger is to operate being transmitted to said charger.
- said communication with a central server controlling the charger by default is established by the control unit.
- control unit is configured to send a message containing a power value to each recharging terminal for an electric energy storage battery connected to said device, each recharging terminal being remote from the monitoring unit. measurement and the control unit, said previous value being said power value contained in the previous message.
- the electrical energy management device and / or said server implements artificial intelligence functions to optimize the distribution of power in the case of simultaneous management of several charging stations.
- the electrical energy management device comprises a load distribution member between phases of a three-phase low-voltage electricity meter.
- the electrical energy management device does not have a communication link with the electricity meter.
- FIG. 1 is a schematic view of a device according to one aspect of the invention.
- Fig. 2 is a schematic view of a device according to another aspect of the invention.
- FIG. 3 is a detail view of the housing.
- the electrical energy management device is designed to be connected to an electrical installation, both existing and to be created.
- the electrical installation can be a home or a small business installation.
- the electrical installation includes an electric meter 4 connected to the low voltage sector providing power, for example 110 or 220 volts, 50 or 60 Hz, single or three-phase.
- the electrical installation comprises a local power distribution network 10 supplying the consumer units with electrical wires, including an electrical energy storage battery recharging terminal.
- the electrical energy management device 1 comprises a measuring device 2 adapted to the local network.
- the measuring device 2 comprises a current sensor 3 configured to measure an electric current at the power output of a low voltage electric meter 4.
- the current sensor 3 can include a measurement loop around the electric wires 5 at the output of the electric meter 4.
- the current sensor 3 is placed near the electric meter 4 upstream of the connections, distribution boxes and consumer units.
- the current sensor 3 is separate from the electric meter 4.
- the electric energy management device 1 is separate from the electric meter 4.
- the electric energy management device 1 has no communication with the electric meter 4.
- the measuring device 2 comprises a voltage sensor 6 for measuring an electric voltage at the power output of the electric meter 4.
- the voltage varies by a few percent around the nominal voltage. It is better to measure it with better accuracy than delivery accuracy.
- the voltage sensor 6 is separate from the electric meter 4.
- the measuring device 2 comprises a power calculation unit 7 receiving current information from the current sensor 3 and voltage information from the voltage sensor 6.
- the power calculation unit 7 is configured to calculate the power. electric power consumed at the power output of the electric meter 4.
- the power calculation unit 7 produces the product of the current value measured by the measured voltage value.
- the measuring unit 2 comprises a control unit 8 receiving the value of electric power consumed coming from the power calculation unit 7.
- the control unit 8 calculates the difference between said value of electric power consumed and a previous value.
- the control member 8 compares the absolute value of said difference with a threshold, and in the event of an absolute value of said difference below the threshold remains at rest.
- the control unit 8 sends a message containing a power value to the recharging terminal 11 of the electric energy storage battery.
- Said previous value is said power value contained in the previous message.
- the threshold can be set at 1% of the subscribed value of the subscription to the electricity supplier, or at a higher value.
- the comparison of the absolute value of said difference with said threshold is carried out regularly.
- the comparison of the absolute value of said difference with said threshold is carried out at predetermined intervals, for example at a frequency less than or equal to 100 Hz.
- the transmission of said message by the control unit 8 is carried out at a frequency at least 10 times lower than the frequency of comparison of the absolute value of said difference to said threshold. Said message is sent less than 10 times per second.
- the charging station 11 is remote from the measuring unit 2 and from the control unit 8. Said message can be sent over a LAN network 9.
- the computing unit 7 and the control unit 8 can be produced. using a microcontroller.
- the difference between a subscribed power and the power value can also be calculated at the level of the control unit 8. In this case, it is the new power at which the charger must operate which is transmitted to said charger. It is also possible to implement a communication with a central server which controls the charger by default.
- a slave charging station can be controlled by said control member 8.
- a charging station can be controlled by said control member 8 via another charging station.
- FIG. 3 is illustrated an exemplary embodiment of the electrical energy management device 1.
- the measuring member 2 is provided with a housing 12 housing and protecting the power computing unit 7 and the control member 8.
- the current 3 and voltage 6 sensors are arranged outside the housing 12.
- the measuring device 2 comprises, inside the housing 12, at least one connector 20, in particular a connector in the single-phase version and two connectors in the three-phase version, ensuring the connection with the sector for the supply of said housing 12, with the recharging terminal (s) 11 and with the current 3 and voltage sensors 6.
- the measuring device 2 comprises a power supply transformer 21 connected via the connector 20 to the output wires of the electric meter 4.
- the power supply transformer 21 can be of the 230/5 volts or 110/5 volts type.
- the measuring device 2 comprises a rectifier 22 supplied by the supply transformer 21.
- the rectifier 22 may comprise a diode bridge.
- the measuring device 2 comprises a communication device 23 by power lines supplied by the rectifier 22 and connected to the output wires of the electric meter 4 so as to communicate with the recharging terminal (s) 11.
- the communication device 23 establishes a at least one-way link to the charging station 11.
- the link is at least one-way and preferably two-way link.
- the recharging terminal 11 receives the message emitted by the control unit 8 and transmitted by the communication unit 23.
- the recharging terminal 11 adapts its energy consumption to the difference between a subscribed power and the contained power value. in the message.
- the communication from the measuring device 2 to the charging stations 11 can be carried out via a LAN network.
- the measuring member 2 comprises a galvanic isolation member 24 mounted between the connector 20 connected to the output wires of the electric meter 4 and the communication member 23.
- the galvanic isolation member 24 comprises, for example, a photodiode.
- the measuring device 2 comprises a processor 25 connected to the connector 20 to receive the measurement information coming from the current 3 and voltage 6 sensors and to send at least one instruction, in particular in the form of a message, to at least one control terminal. recharge 11.
- the processor 25 is preprogrammed to fulfill the functions of processing current and voltage measurements and of control.
- the processor 25 is supplied by the rectifier 22.
- the control unit can be configured to send a message containing a power value to each recharging terminal for an electric energy storage battery connected to the electric energy management device.
- Each charging station is remote from the measuring unit and the control unit.
- Said previous value is said power value contained in the previous message.
- artificial intelligence functions are implemented by the electrical energy management device and / or by said server. The artificial intelligence functions are provided to optimize the power distribution in the case of simultaneous management of several charging stations, according to FIG. 2.
- many low-voltage electricity meters are three-phase.
- the electrical energy management device can include a load distribution member between the phases. This is all the more interesting as the distribution between the phases of a network downstream of a meter is often fixed and unsuitable.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1911083A FR3101580A1 (fr) | 2019-10-07 | 2019-10-07 | Dispositif électrique de gestion énergétique |
PCT/EP2020/078147 WO2021069509A1 (fr) | 2019-10-07 | 2020-10-07 | Dispositif electrique de gestion energetique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4041592A1 true EP4041592A1 (de) | 2022-08-17 |
Family
ID=71111454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20781599.4A Pending EP4041592A1 (de) | 2019-10-07 | 2020-10-07 | Elektrische vorrichtung zur energiesteuerung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220410749A1 (de) |
EP (1) | EP4041592A1 (de) |
CN (1) | CN114728599A (de) |
FR (1) | FR3101580A1 (de) |
WO (1) | WO2021069509A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2603110B (en) * | 2021-01-06 | 2023-09-27 | Cloudfm Integrated Services Ltd | Monitoring electrical parameters |
CN114137297B (zh) * | 2021-11-29 | 2024-01-23 | 国网北京市电力公司 | 信号处理装置 |
FR3139250A1 (fr) * | 2022-08-30 | 2024-03-01 | Delta Dore | Procede et dispositif de pilotage d’une borne de recharge d’un vehicule electrique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8013570B2 (en) * | 2009-07-23 | 2011-09-06 | Coulomb Technologies, Inc. | Electrical circuit sharing for electric vehicle charging stations |
US10065519B1 (en) * | 2015-09-30 | 2018-09-04 | Evercharge, Inc. | Location power monitoring and charge distribution using intelligent electric vehicle supply equipment |
-
2019
- 2019-10-07 FR FR1911083A patent/FR3101580A1/fr not_active Withdrawn
-
2020
- 2020-10-07 CN CN202080082114.9A patent/CN114728599A/zh active Pending
- 2020-10-07 US US17/767,015 patent/US20220410749A1/en active Pending
- 2020-10-07 EP EP20781599.4A patent/EP4041592A1/de active Pending
- 2020-10-07 WO PCT/EP2020/078147 patent/WO2021069509A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3101580A1 (fr) | 2021-04-09 |
US20220410749A1 (en) | 2022-12-29 |
WO2021069509A1 (fr) | 2021-04-15 |
CN114728599A (zh) | 2022-07-08 |
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