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System and method for transferring electrical power between grid and vehicle

An electric power and vehicle technology, applied in the direction of efficient vehicle charging, electric vehicle charging technology, electric vehicles, etc., can solve problems such as unworkable, damaged household wires, etc., to reduce the load and increase the available power.

Inactive Publication Date: 2010-09-08
SILVER SPRING NETWORKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] During a blackout event, the vehicle should not attempt to recharge the grid itself, as this may not work and could damage household wiring, the meter, or the car's electrical system

Method used

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  • System and method for transferring electrical power between grid and vehicle
  • System and method for transferring electrical power between grid and vehicle
  • System and method for transferring electrical power between grid and vehicle

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Embodiment Construction

[0048] The present invention discloses a system for transferring electric power between an electrical grid and at least one vehicle. The system also provides electrical isolation between the vehicle, grid and building during a partial blackout or blackout event. The system also helps deliver electrical power from the vehicle to the building. In one embodiment of the invention at least one battery is used as means for storing electrical power in the vehicle. However, other electrical power storage devices may also be used without limiting the scope of the invention.

[0049] The system includes a subscriber module connected to the grid and the vehicle via a communication network. The user module is also connected to a fuel source. Communication networks include communications over power line (COPL), Bluetooth, IEEE 802.15.4, ZigBee, cellular wireless networks, or IP-based computer networks. The communication network uses protocols such as BACnet, LonWorks, OpenWay, OpenAMI,...

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PUM

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Abstract

The present invention discloses a system for transferring electrical power between a grid and at least one vehicle. The vehicle can be Battery Electric Vehicle (BEV), Plug-in Hybrid Electric Vehicle (PHEV) or Fuel Cell Vehicle (FCV). The type of vehicle will be recognized and controlled by the system to support demand response and supply side energy management. Vehicle recognition can be carried out by load signature analysis, power factor measurement or RFID techniques. In an embodiment of the invention, the grid is a Smart Grid. The present invention also discloses a method for facilitating electrical power transfer between the grid and the vehicle.

Description

Background technique [0001] Battery electric vehicles (BEVs), plug-in hybrid electric vehicles (PHEVs), and fuel cell vehicles (FCVs) can provide many beneficial features to electric utility networks and their consumers. [0002] The most basic examples involve net metering, where electricity can flow in both directions in a dwelling, and the consumer is only required to pay for the net electrical energy consumed during the billing period. In this case, the vehicle could be designed to push electricity back into the grid to help reduce the overall electrical energy consumed in the residence. [0003] This has several disadvantages because the efficiency of the vehicle is not 100%, and the cost of charging the vehicle in a static pricing approach would outweigh the savings of pushing power back to the grid. [0004] This leads to a more advanced scheme where the vehicle is pushed on the grid in variable pricing regions only when the money earned will be greater than the cost o...

Claims

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Application Information

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IPC IPC(8): H02J7/04
CPCY04S10/545Y04S10/126B60L11/1846Y04S30/12B60L11/1816Y02T90/14Y02T10/7055Y02T90/121Y04S30/14Y02E60/721B60L11/184B60L11/1887Y02E40/76H02J3/387Y02T10/92Y02T90/169Y02T90/34Y02T90/168H02J2001/004H02J7/042Y02T90/163H02J3/32H02J3/008B60L11/1824B60L11/1848H02J7/0027Y02T10/7088Y04S50/10B60L11/1842Y02T90/128Y02T10/7072B60L53/64B60L55/00B60L53/65B60L53/665B60L58/40H02J2300/30H02J2310/48H02J13/00006H02J3/322H02J3/381H02J7/007Y02E60/00Y02T10/70Y02T90/12Y02T90/167Y04S40/12Y02B90/20H02J7/04H02J3/40H02J13/00H02J7/00B60L50/50
Inventor B·D·博格勒P·J·博勒
Owner SILVER SPRING NETWORKS
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