Server and power management system

Patent metadata

Field	Value
Publication number	US-11901736-B2
Application number	US-202218056784-A
Country	US
Kind code	B2
Filing date	Nov 18, 2022
Priority date	Feb 3, 2022
Publication date	Feb 13, 2024
Grant date	Feb 13, 2024

Abstract

A server manages plural vehicles each configured to be able to participate in a DR. A first vehicle is able to transmit power through a power cable. A second vehicle is able to transmit power in a non-contact manner while being stationary. A third vehicle is able to transmit power in a non-contact manner while traveling. The server includes a communication device and a processing device. The communication device is able to transmit a DR signal to each of the vehicles. The processing device selects a target vehicle, to which the DR signal is to be transmitted, from the vehicles in accordance with the priority degree for participation in the DR. The processing device sets the priority degree of the first vehicle to be higher than that of the second vehicle, and sets the priority degree of the second vehicle to be higher than that of the third vehicle.

First claim

What is claimed is:

1. A server that is used by an aggregator to manage a plurality of vehicles each configured to be able to participate in a demand response (DR) for adjusting a power demand-supply balance in a power system,
the server comprising:
a communication device configured to be able to transmit a DR signal that requests participation in the DR to each of the vehicles; and
a processing device that selects a target vehicle, to which the DR signal is to be transmitted by the communication device, from among the vehicles in accordance with a priority degree for participation in the DR, wherein:
a first vehicle among the vehicles is configured to be able to participate in the DR by executing first power transmission to transmit power with a power stand that is external to the first vehicle through a power cable for the power stand;
a second vehicle among the vehicles is configured to be able to participate in the DR by executing second power transmission to transmit power in a non-contact manner with power equipment that is external to the second vehicle while the second vehicle is stationary;
a third vehicle among the vehicles is configured to be able to participate in the DR by executing third power transmission to transmit power in a non-contact manner with power equipment that is external to the third vehicle while the third vehicle is traveling; and
the processing device is configured to set the priority degree of the first vehicle to be higher than the priority degree of the second vehicle, and to set the priority degree of the second vehicle to be higher than the priority degree of the third vehicle.

2. The server according to claim 1 , wherein the processing device sets the priority degree of the first vehicle, the second vehicle, and the third vehicle such that only the first vehicle and the second vehicle, among the first vehicle, the second vehicle, and the third vehicle, are selected as the target vehicle when a penalty to be imposed on the aggregator is less than a threshold.

3. The server according to claim 1 , wherein the processing device sets the priority degree of the first vehicle, the second vehicle, and the third vehicle such that only the first vehicle, among the first vehicle, the second vehicle, and the third vehicle, is selected as the target vehicle when a penalty to be imposed on the aggregator is less than a threshold.

4. The server according to claim 2 , wherein the penalty is an amount of power by which an amount of power transmitted from the first vehicle and the second vehicle to the power system during a predetermined period in which a DR is performed is short with respect to an adjustment request power amount that is necessary to adjust a demand-supply balance in the power system during the predetermined period in which the DR is performed.

5. The server according to claim 3 , wherein the penalty is an amount of power by which an amount of power transmitted from the first vehicle to the power system during a predetermined period in which a DR is performed is short with respect to an adjustment request power amount that is necessary to adjust a demand-supply balance in the power system during the predetermined period in which the DR is performed.

6. The server according to claim 1 , wherein the processing device sets the priority degree of the first vehicle to be high when the first vehicle is not able to execute the second power transmission or the third power transmission compared to when the first vehicle is able to further execute at least one of the second power transmission and the third power transmission.

7. The server according to claim 6 , wherein the processing device sets the priority degree of the first vehicle to be high when the first vehicle is able to further execute one of the second power transmission and the third power transmission compared to when the first vehicle is able to further execute both the second power transmission and the third power transmission.

8. A power management system comprising:
a plurality of vehicles each configured to be able to participate in a demand response (DR) for adjusting a power demand-supply balance in a power system; and
a server that manages the vehicles,
the server comprising:
a communication device configured to be able to transmit a DR signal that requests participation in the DR to each of the vehicles; and
a processing device that selects a target vehicle, to which the DR signal is to be transmitted by the communication device, from among the vehicles in accordance with a priority degree for participation in the DR, wherein:
a first vehicle among the vehicles is configured to be able to execute first power transmission to transmit power with a power stand that is external to the first vehicle through a power cable for the power stand;
a second vehicle among the vehicles is configured to be able to execute second power transmission to transmit power in a non-contact manner with power equipment that is external to the second vehicle while the second vehicle is stationary;
a third vehicle among the vehicles is configured to be able to execute third power transmission to transmit power in a non-contact manner with power equipment that is external to the third vehicle while the third vehicle is traveling; and
the processing device is configured to set the priority degree of the first vehicle to be higher than the priority degree of the second vehicle, and to set the priority degree of the second vehicle to be higher than the priority degree of the third vehicle.

9. The power management system according to claim 8 , wherein the processing device sets the priority degree of the first vehicle, the second vehicle, and the third vehicle such that only the first vehicle and the second vehicle, among the first vehicle, the second vehicle, and the third vehicle, are selected as the target vehicle when a penalty to be imposed on an aggregator is less than a threshold.

10. The power management system according to claim 8 , wherein the processing device sets the priority degree of the first vehicle, the second vehicle, and the third vehicle such that only the first vehicle, among the first vehicle, the second vehicle, and the third vehicle, is selected as the target vehicle when a penalty to be imposed on an aggregator is less than a threshold.

11. The power management system according to claim 9 , wherein the penalty is an amount of power by which an amount of power transmitted from the first vehicle and the second vehicle to the power system during a predetermined period in which a DR is performed is short with respect to an adjustment request power amount that is necessary to adjust a demand-supply balance in the power system during the predetermined period in which the DR is performed.

12. The power management system according to claim 10 , wherein the penalty is an amount of power by which an amount of power transmitted from the first vehicle to the power system during a predetermined period in which a DR is performed is short with respect to an adjustment request power amount that is necessary to adjust a demand-supply balance in the power system during the predetermined period in which the DR is performed.

13. The power management system according to claim 9 , wherein the processing device sets the priority degree of the first vehicle to be high when the first vehicle is not able to execute the second power transmission or the third power transmission compared to when the first vehicle is able to further execute at least one of the second power transmission and the third power transmission.

14. The power management system according to claim 13

Assignees

• Toyota Motor Co Ltd

Inventors

• Ehara Masato
• Yokoyama Daiki
• Takahashi Yuki
• Takahashi Tomoya
• Kubota Tomoyuki
• Toyora Sachio
• Fukuoka Keisuke
• Xu Zidan
• Liang Wenfeng
• Murata Hiroki

Classifications

• H02J2105/37

  exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] · CPC title

• H02J3/322 Primary

  the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging · CPC title

• B60L55/00

  Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements · CPC title

• H02J50/10 Primary

  using inductive coupling · CPC title

• Y02T10/70

  Energy storage systems for electromobility, e.g. batteries · CPC title