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System for managing electrical power distribution between infrastructure and electric vehicles

A technology for motor vehicles and electric motors, which is applied in the direction of electric vehicle charging technology, power network operating system integration, charging stations for mobile device charging, etc., and can solve problems such as power grid overload

Inactive Publication Date: 2012-05-09
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As the number of electric vehicles in operation continues to increase, the demand for electricity to charge batteries will likely increase to the point where, unless properly managed, this demand can overload the power grid used to charge batteries

Method used

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  • System for managing electrical power distribution between infrastructure and electric vehicles
  • System for managing electrical power distribution between infrastructure and electric vehicles
  • System for managing electrical power distribution between infrastructure and electric vehicles

Examples

Experimental program
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Embodiment Construction

[0022] First, refer to figure 1 , shows an electric vehicle 20 . The electric vehicle 20 includes an electric motor 22 that at least partially drives the vehicle 20 during operation of the vehicle 20 . Thus, motor vehicle 20 may be an all-electric motor vehicle, i.e., electric motor 22 provides power to motor vehicle 20 during the entire operating time of the motor vehicle, or motor vehicle 20 may be a hybrid electric motor vehicle, which is provided in part by electric motor 22 and an internal combustion engine, respectively. Power such that at any given time, the motor vehicle 20 is driven by the electric motor 22, or the internal combustion engine, or both.

[0023] The electric vehicle 20 includes a battery 24 that stores electrical energy for powering the electric motor 22 . Furthermore, the storage capacity of the battery 24 may vary from vehicle to vehicle, and may vary from vehicle to type.

[0024] For example, an electric vehicle 20 of the pick-up truck type may h...

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PUM

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Abstract

A system for managing electrical power requirements between at least two power grids including a number of automotive vehicles each of which has an electric motor which propels the vehicle at least partly during its operation. An electric battery is contained in each vehicle as well as a wireless transmitter. A processor contained within each vehicle communicates with the wireless transmitter to transmit information to a base station indicative of the state of charge of the battery, vehicle identification information, and vehicle destination. The base station or upstream entity processes the data from the multiple vehicles to estimate the geographic power requirements necessary to recharge the batteries and then redirects power among at least two different power grids in order to meet those geographic power requirements.

Description

technical field [0001] The present invention relates to a method and system for managing power demand between at least two different power grids on the basis of data received from an electrically driven motor vehicle which sends instructions to a base station indicating the battery in the vehicle information about the battery status. Background technique [0002] Electric vehicles, including hybrid electric vehicles, are at least partially powered by electric motors. Due to the economical nature of such electric vehicles, such electric vehicles have become increasingly popular, and further popularization can be expected in the future. [0003] Most electric vehicles derive their power from batteries contained in the vehicle. There is a limit to the amount of charge that can be stored in any given battery in a motor vehicle, so the battery must be periodically recharged for continued operation of the electric vehicle. The amount of charge remaining in the battery is referr...

Claims

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Application Information

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IPC IPC(8): B60L11/18
CPCY04S10/126B60W10/04Y02T10/7044B60L11/1844B60L11/1846Y02T90/14Y02T90/163H02J3/06Y04S30/14B60L11/1861Y02E60/721B60L11/1838B60L2240/72Y02T10/7005Y02T90/162Y02T90/16B60L2260/50Y02T10/6269H02J7/0027Y02T10/705Y02T10/7088Y02T90/169B60L2240/62Y02T90/128B60L2240/68Y02T10/7072B60L53/63B60L53/65B60L58/12Y02E60/00Y02T10/62Y02T10/70Y02T10/72Y02T90/12Y02T90/167Y04S20/222Y02B70/3225B60W2510/244B60W2556/50B60W2556/45
Inventor 迪帕克·拉玛斯瓦米苏吉·法塔克
Owner HITACHI LTD
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