GRID TIE SYSTEM AND METHOD

• US 20130241485A1
• Filed: 05/01/2013
• Published: 09/19/2013
• Est. Priority Date: 11/02/2010
• Status: Abandoned Application

• Current Assignee: Global Solar Water Power Systems Inc.
• Original Assignee: Global Solar Water Power Systems Inc.
• Inventors: Snyder, Mark E.
• Application Number:
  US13/875,064
• Publication Number:
  US 20130241485A1
• Time in Patent Office: Days
• US Class Current: 320/109
• CPC Class Codes: B60L 1/003 to auxiliary motors, e.g. for pumps, compressors
• CPC Class Codes: B60L 1/02 to electric heating circuits
• CPC Class Codes: B60L 2210/10 DC to DC converters
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2240/12 Speed
• CPC Class Codes: B60L 2240/545 Temperature
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2240/549 Current
• CPC Class Codes: B60L 2250/10 by alarm
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• CPC Class Codes: B60L 3/04 Cutting off the power supply under fault conditions protective devices and circuit arrangements in general H01H; H02H
• CPC Class Codes: B60L 3/12 Recording operating variables ; Monitoring of operating variables
• CPC Class Codes: B60L 50/66 Arrangements of batteries
• CPC Class Codes: B60L 53/11 DC charging controlled by the charging station, e.g. mode 4
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/55 Capacitors
• CPC Class Codes: B60L 53/56 : Mechanical storage means, e.g. fly wheels
• CPC Class Codes: B60L 53/63 : in response to network capacity
• CPC Class Codes: B60L 53/64 : Optimising energy costs, e.g. responding to electricity rates
• CPC Class Codes: B60L 53/65 : involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/665 : Methods related to measuring, billing or payment
• 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 58/14 : Preventing excessive discharging
• CPC Class Codes: B60L 58/15 : Preventing overcharging
• CPC Class Codes: B60L 58/22 : Balancing the charge of battery modules
• CPC Class Codes: B60L 58/26 : by cooling
• CPC Class Codes: B60W 10/26 : for electrical energy, e.g. batteries or capacitors
• CPC Class Codes: B60W 20/11 : using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance utilising navigation and traffic information in the control strategy B60W20/12
• CPC Class Codes: B60W 2520/10 : Longitudinal speed
• CPC Class Codes: B60W 2556/55 : using telemetry
• CPC Class Codes: B60W 2710/244 : Charge state
• CPC Class Codes: Y02E 60/00 : Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02T 10/62 : Hybrid vehicles
• 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 10/72 : Electric energy management in electromobility
• CPC Class Codes: Y02T 10/84 : Data processing systems or methods, management, administration
• 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: Y02T 90/167 : 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]
• 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]
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A system and method of tying a power user, such as a Plug in Hybrid Electric Vehicle into a grid system. A grid tie system can include a grid, a smart meter, an inverter, one or several power storage units, a charge controller, a dc switcher, and a charger. A grid tie system can further include a connector for connecting with the power user. A grid tie system can further include control features to monitor, manage, and regulate power generation and power consumption.

Claims

1. A kit for converting a standard hybrid vehicle into a plug in hybrid vehicle (PHEV), the kit comprising:

connection hardware, wherein the connection hardware is configured to electrically connect the battery to an off-vehicle power source;

at least one battery configured to match the voltage of the original hybrid battery,

battery management software, wherein the battery management software is configured to provide information relating to battery performance to an engine control unit, wherein the battery is further configured to maintain charge balance between each of the cells of the battery; and

,

suspension components.

2. The kit of claim 1, further comprising a 50 Ah, 201.6 Vdc battery.

3. The kit of claim 1, further comprising a 30 Ah, 201.6 Vdc battery.

4. The kit of claim 1, further comprising a 6.5 Ah, 201.6 Vdc battery.

5. The kit of claim 1, wherein the battery management software is configured to manage the cell performance of the battery.

6. The kit of claim 5, wherein the battery management software is configured to maintain a substantially equal charge across all of the battery cells.

7. The kit of claim 6, wherein the battery management software is configured to maintain an equal charge +/−

0.07 Vdc across all of the battery cells

8. A method of selectively integrating a PHEV into a power system with a grid tie system, the method comprising,

determining whether to charge at least one battery in the PHEV, wherein the grid tie system requests information relating to available power resources internal and external to the grid tie system, wherein the grid tie system requests information relating to vehicle parameters;

wherein the grid tie system compares information received from the power system and from the PHEV to predetermined charging criteria, wherein the grid tie system allows or denies charging based on predetermined criteria;

determining whether the power system requires power, wherein the grid tie system receives in a request for available power resources from the power system;

determining available power resources, wherein the grid tie system requests information from the PHEV relating to the amount of available power resources;

wherein the state of charge of the PHEV batteries, the amount of fuel available for use in power generation, and the location of the vehicle are used in determining available power resources; and

requesting delivery of available power resources to the grid tie system, wherein the grid tie system requests delivery of available battery resources and available vehicle generated power resources.

9. The method of claim 8, wherein a transponder is used to determine the location of the vehicle.

10. The method of claim 8, wherein the vehicle has fewer available power resources when the vehicle is in a first location.

11. The method of claim 8, wherein the vehicle has more available power resources when the vehicle is in a second location.

12. The method of claim 8, wherein a grid tie system controller communicates with the power system through a smart meter.

13. The method of claim 8, wherein a grid tie system controller communicates with the PHEV.

14. The method of claim 8, wherein a high voltage charge controller is configured to charge an off-vehicle battery bank.

15. The method of claim 14, wherein the off-vehicle battery bank is configured to provide back-up power to existing power systems.

17. The method of claim 14, wherein the first state of charge comprises a 90 percent state of charge.

18. The method of claim 14, wherein the second state of charge comprises a 23 percent state of charge.

19. The method of claim 14, wherein the third state of charge comprises a 5 percent state of charge.

20. The method of claim 14, wherein the battery cycle comprises one deep discharge cycle for at least every twenty regular discharge cycles.

21. The method of claim 14, wherein the battery cycle comprises one deep discharge cycle every month.

23. The method of claim 20, wherein the first state of charge comprises a 90 percent state of charge.

24. The method of claim 20, wherein the second state of charge comprises a 23 percent state of charge.

25. The method of claim 20, wherein the desired vehicle operation mode comprises the factory vehicle operation mode.

26. The method of claim 20, wherein the desired vehicle operation mode comprises limiting vehicle top speed.

27. The method of claim 20, wherein the desired vehicle operation mode comprises solely electric power below a designated speed.

28. The method of claim 25, wherein the vehicle operation mode uses solely electric power below 72 miles per hour.

16. A method of increasing the performance of at least one battery configured for use in a PHEV, wherein the battery is configured with the same maximum voltage as the original vehicle battery, the method comprising;

controllably cycling the charging and discharging of the battery, the cycling comprising;

battery charging, wherein the battery is charged to a first state of charge in charging cycling, and

discharging, wherein discharging comprises;

regular discharging, wherein the battery is discharged to second state of charge, and

deep discharging, wherein the battery is discharged to a third state of charge.

22. A method of maximizing battery usage in a PHEV, wherein the cycling of the battery increases battery performance and battery life, the method comprising;

requesting vehicle operator input relating to desired vehicle operation mode,

requesting vehicle operator input relating to estimated trip length;

requesting information relating to battery charge parameters;

allowing vehicle operation in the user requested mode when battery criteria exceed threshold levels;

denying vehicle operation in the user requested mode when battery criteria fail to exceed threshold levels;

limiting the rate of battery power availability according to predetermined criteria, wherein the predetermined criteria are created to maximize ideal cycling of the vehicle battery during each trip, wherein ideal cycling comprises discharging the vehicle battery from a first state of charge to a second state of charge.