Optimal charging and discharging of plug-in electric vehicles

An electric vehicle, plug-in technology, used in electric vehicle charging technology, electric vehicles, vehicle components, etc., can solve problems such as power grid supply or demand imbalance

Active Publication Date: 2019-11-15
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sometimes utilities cannot purchase or receive renewable energy because doing so would create an imbalance in supply or demand in the grid

Method used

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  • Optimal charging and discharging of plug-in electric vehicles
  • Optimal charging and discharging of plug-in electric vehicles
  • Optimal charging and discharging of plug-in electric vehicles

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Embodiment Construction

[0023]Renewable energy generation facilities (herein, "REPG facilities") generate renewable electricity using one or more of the following renewable energy sources: solar panels; wind turbines; geothermal; ocean waves, and the like. Typically, this renewable energy is sold to utilities for a profit and pushed onto the utility-managed grid. The utility company monitors the supply of electricity on the grid and the demand for electricity on the grid. Historically, the demand is greatest between the times 2:00PM and 8:00PM. The supply of energy on the grid varies. Utility companies seek to maintain a balance of supply and demand for electricity on the grid.

[0024] In some implementations, a REPG facility may be an individual homeowner with solar panels on their residence, or a large facility that generates renewable energy on a commercial scale.

[0025] Sometimes utilities cannot accept renewable energy from REPG facilities because doing so would create an imbalance in the ...

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Abstract

The present disclosure relates to optimized charging and discharging of plug-in electric vehicles, including a system and method for charging and discharging a plug-in electric vehicle ("PEV"). The method includes determining that the first event data describes a renewable energy output control event ("REOC event"), the REOC event includes an instruction that a renewable energy generation facility ("REPG facility") does not contribute to the grid during a time period specified by the REOC event. command to output electricity. The method may include the REPG facility charging a battery system contained in the PEV during the REOC event. The battery system is coupled to the REPG facility via a coupler that does not include the grid. The battery system may be charged by the REPG facility via the coupler with electricity generated by the REPG facility during the first duration of the REOC event such that the REPG facility continues to generate electricity during the REOC event.

Description

technical field [0001] This specification concerns optimized charging and discharging of plug-in electric vehicles. In particular, the specification relates to optimizing charging and discharging of plug-in electric vehicles based on one or more of demand response events and renewable energy control events. Background technique [0002] Renewable energy is gaining popularity. Power plants that operate renewable energy-based generation facilities can push their electricity to a grid owned and operated by a utility provider. Utilities purchase renewable energy from operators of renewable energy-based generation facilities. Sometimes, utilities cannot buy or receive renewable energy because doing so would create a supply or demand imbalance in the grid. Utilities issue renewable energy output control events to notify renewable energy based generation facilities that the utility cannot purchase or receive the renewable energy they generate. Contents of the invention [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/63B60L53/64B60L53/66B60L55/00H02J3/32B60L50/16
CPCB60L53/60B60L55/00B60L53/64B60L53/63H02J3/32B60L2240/80B60L2260/58Y02T90/14Y04S10/126Y04S30/12Y04S30/14B60L53/65B60L53/665B60L58/12B60L53/68Y02E60/00Y02T10/70Y02T10/7072Y02T90/12Y02T90/167Y02T90/16
Inventor 清水崇之村上宪一汲田邦彦大野友也
Owner TOYOTA JIDOSHA KK
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