BIDIRECTIONAL CHARGING SYSTEM FOR ELECTRIC VEHICLE

• US 20170050529A1
• Filed: 04/29/2015
• Published: 02/23/2017
• Est. Priority Date: 04/29/2014
• Status: Active Application

• Current Assignee: Hydro-Quebec (Province of Québec)
• Original Assignee: Hydro-Quebec (Province of Québec)
• Inventors: LAMBERT, Ghislain, LAVOIE, Samuel, LECOURTOIS, ric, GIUMENTO, Angelo, LAGACE, Marin, DUPR, Jean-Luc, PATAULT, Louis-Andr, BOUDJERIDA, Nacer, PERREAULT, ric, ZAGHIB, Karim
• Application Number:
  US15/307,255
• Publication Number:
  US 20170050529A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60L 2250/12 by confirmation, e.g. of the input
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: B60L 58/12 responding to state of charge [SoC]
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/0068 Battery or charger load switching, e.g. concurrent charging and load supply H02J7/0013 takes precedence
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y04S 10/126 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]

Abstract

A bidirectional charging system for an electric vehicle including a bidirectional terminal connected to the electrical network, a cable for connection to an electric vehicle, a control panel accessible from the terminal and a means of communication to the control system of the electrical network, the vehicle includes a bidirectional charger, said bidirectional charger allows the transfer of electrical energy from the terminal to the battery of the vehicle and vice versa, wherein the user of said vehicle can specify the minimum level of charge of the battery through the terminal of the control panel.

Claims

1. A bidirectional charging system for electric vehicle comprising a bidirectional terminal for connection to the electrical network, an electric vehicle for connection to the terminal, a control panel accessible from the terminal and a means of communication to the control system of the electrical network, said vehicle including a bidirectional charger, said bidirectional charger allowing a transfer of electrical energy from the terminal to a power battery of the vehicle and vice versa, wherein a user of said vehicle can specify a minimum level of charge of the battery through the control panel of the terminal.

2. The bidirectional charging system according to claim 1, wherein the level of charge value of the battery is between 0% and 60% of a maximum charge of the battery.

3. The bidirectional charging system according to claim 1, wherein the user can cancel a total limitation of charging controlled by the control system of the electrical network via the control panel of the terminal.

4. The bidirectional charging system according to claim 1, wherein the user can cancel a vehicle energy transfer request to the electrical network controlled by the control system of the electrical network via the panel control of the terminal.

5. The bidirectional charging system according to claim 1, wherein the user can adjust the minimum level of charge of the battery of the vehicle as a function of time in a schedule via the control panel of the terminal.

6. The bidirectional charging system according to claim 1, wherein the user can impose a level of charge of the battery of the vehicle at a particular time through the control panel of the terminal.

7. A bidirectional charging system for electric vehicle comprising a bidirectional terminal connected to the electrical network, an electric vehicle for connection to the terminal, an electrical power output to power critical loads and a control panel accessible from the terminal, a bidirectional charger for transferring of electrical energy from the terminal to the battery of the vehicle and vice versa, wherein the user can accept or refuse that the energy of the vehicle be used to power critical loads when the main power of the electrical network is not available.

8. The bidirectional charging system according to claim 7, wherein said vehicle includes the bidirectional charger.

9. The bidirectional charging system according to claim 7, wherein the user can specify the minimum level of charge of the battery through the terminal of the control panel.

10. A bidirectional charging system for electric vehicle comprising a bidirectional terminal connected to the electrical network, an electric vehicle for connection to the terminal and a means of communication to the control system of the electrical network, said vehicle incorporating a bidirectional charger, said bidirectional charger enabling the transfer of electrical energy from the terminal to the vehicle battery and vice versa, wherein the control system of the electrical network modulates the power supplied to and withdrawn from the vehicle according to the network needs from an event calendar sent to the terminal.

11. The bidirectional charging system according to claim 10, wherein the modulated power is active and/or reactive.

12. An electric vehicle comprising an electric propulsion system with a central motor and a vehicle control system, wherein the vehicle includes a bidirectional charger and a LiFePo4 battery.