Patent ID: 11858371
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 0:
1. A power management apparatus that regulates supply and demand of a power grid by issuing to an electrically powered vehicle including a power storage, a request for charging of the power storage with electric power of the power grid or power feed to the power grid, the power management apparatus comprising:
a selector that selects a target number of electrically powered vehicles from a vehicle group including a plurality of electrically powered vehicles;
a request processor that issues the request to each electrically powered vehicle selected by the selector, wherein
the selector obtains a temperature and an SOC of the power storage of each electrically powered vehicle included in the vehicle group and makes selection in accordance with a priority predetermined based on the temperature of the power storage and the SOC of the power storage; and
a first storage that stores first priority information that defines a priority in selecting an electrically powered vehicle to which the request for the charging is to be issued from the request processor,
wherein
the first priority information defines a priority for each of a plurality of categories set based on the temperature of the power storage and the SOC of the power storage such that a category lower in SOC of the power storage is higher in priority and a category lower in temperature of the power storage is higher in priority, and
in selecting the electrically powered vehicle to which the request for the charging is to be issued from the request processor, the selector selects the electrically powered vehicle in a descending order of priority from the vehicle group in accordance with the priority for each category defined in the first priority information;
each of the plurality of electrically powered vehicles included in the vehicle group includes a cooling apparatus that cools the power storage,
the request processor issues to each electrically powered vehicle selected by the selector, a further request to lower the temperature of the power storage to a prescribed temperature or lower with the cooling apparatus, and
the first priority information defines the priority of a first category, a second category, a third category, and a fourth category in the order of the first category, the second category, the third category, and the fourth category,
in the first category, the SOC of the power storage is lower than a first threshold value and the temperature of the power storage is lower than a second threshold value,
in the second category, the SOC of the power storage is lower than the first threshold value and the temperature of the power storage is higher than the second threshold value,
in the third category, the SOC of the power storage is higher than the first threshold value and the temperature of the power storage is lower than the second threshold value, and
in the fourth category, the SOC of the power storage is higher than the first threshold value and the temperature of the power storage is higher than the second threshold value.