The server executes a process that includes receiving predetermined information from each terminal in a facility, if it is determined that the electric vehicle is connected to a charging/discharging station, associating a user or a user terminal with the charging/discharging station, scheduling a power demand and supply adjustment, receiving behavior information of the user, if it is determined that it is necessary to reschedule the power demand and supply adjustment, predicting a connection period, rescheduling the power demand and supply adjustment, and if the current time has reached the start time of a power supply and supply adjustment period, executing the power demand and supply adjustment.

An example operation includes one or more of determining an estimated arrival time of a first transport to a charging station, determining an estimated remaining stored transport energy at the estimated arrival time of the first transport, notifying the first transport to provide a portion of the determined remaining stored transport energy and when a next transport is delayed to the charging station, notifying the first transport to provide an additional portion of the determined remaining stored transport energy based on the delay.

A control device that controls charging/discharging of a secondary battery mounted on a vehicle includes: a detection unit configured to detect start of deriving of a deterioration state of the secondary battery; and a control unit configured to control charging/discharging of the secondary battery such that a charging rate of the secondary battery is equal to or higher than a first predetermined value and equal to or lower than a second predetermined value in a state in which the vehicle is parked and is connected to an external power supply in a case in which start of deriving of the deterioration state has been detected by the detection unit.

A power system apparatus that suitably secures users of electric vehicles performing charge/discharge at the timing when power supply/demand adjustment is needed is provided. The power system apparatus disclosed herein includes: a power supply/demand information acquisition unit; a first calculator configured to calculate an urgency degree or a redundancy degree and a first rank point; a communication unit; a charge/discharge management unit; a second calculator configured to acquire a charge/discharge amount and calculate a second rank point; a rank setting unit configured to set a rank based on the first rank point calculated by the first calculator and the second rank point calculated by the second calculator; and an incentive management unit configured to calculate an incentive.

The herein disclosed electrical grid system includes: a first obtaining controller that obtains the electric power demand or supply request information from the electric power transmission and distribution facility; a second obtaining controller that obtains an electric storage state information; a third obtaining controller that obtains a vehicle information of an electric vehicle; a supply and demand satisfaction level calculation controller that calculates a supply and demand satisfaction level based on the electric power demand or supply request information; a selection controller that selects an electric vehicle to be guided to the charge or discharge spot based on the vehicle information obtained by the third obtaining controller and the supply and demand satisfaction level calculated by the supply and demand satisfaction level calculation controller; and a communication controller that sends a guide information to the selected electric vehicle.

The herein disclosed electrical grid system includes: a first obtaining controller that obtains the electric power demand or supply request information from the electric power transmission and distribution facility; a second obtaining controller that obtains an electric storage state information; a third obtaining controller that obtains a vehicle information of an electric vehicle; a supply and demand satisfaction level calculation controller that calculates a supply and demand satisfaction level based on the electric power demand or supply request information; a selection controller that selects an electric vehicle to be guided to the charge or discharge spot based on the vehicle information obtained by the third obtaining controller and the supply and demand satisfaction level calculated by the supply and demand satisfaction level calculation controller; and a communication controller that sends a guide information to the selected electric vehicle.

A coupling system includes a vehicle cable having a plug configured to engage a vehicle charging port of a plug-in hybrid or battery electric vehicle, an electrical outlet configured to receive a plug of an AC powered appliance, a voltage converter, an energy store, and a controller configured to provide power from the vehicle charging port to the electrical outlet. The controller may provide a signal to the charging port of a connected electrified vehicle identifying the coupling system as a charging station to enable the electrified vehicle to provide power to the charging port. The controller may control the voltage converter to charge the energy store using power form a connected electrified vehicle. The controller may control the voltage converter and energy store to stabilize power from the vehicle provided to the electrical outlet.

A coupling system includes a vehicle cable having a plug configured to engage a vehicle charging port of a plug-in hybrid or battery electric vehicle, an electrical outlet configured to receive a plug of an AC powered appliance, a voltage converter, an energy store, and a controller configured to provide power from the vehicle charging port to the electrical outlet. The controller may provide a signal to the charging port of a connected electrified vehicle identifying the coupling system as a charging station to enable the electrified vehicle to provide power to the charging port. The controller may control the voltage converter to charge the energy store using power form a connected electrified vehicle. The controller may control the voltage converter and energy store to stabilize power from the vehicle provided to the electrical outlet.

A charging and discharging switching apparatus is disclosed that includes a first switch, a second switch, a switching power supply, and a control unit. A first end of the first switch is configured to connect to a power supply device, a second end of the first switch is configured to connect to a load device, and the second end of the first switch is further separately connected to a first end of the second switch and the switching power supply. A second end of the second switch is configured to connect to a new energy vehicle.

An apparatus for providing power to a vehicle's electric power system comprises a converter (602) for converting electric input electricity having an input voltage into output electricity having an output voltage. A sense line (612) is provided for electrically connecting a control unit (611) to the vehicle's electric power system. A power line (613) is for connecting an output of the converter (602) in parallel to the vehicle's electric power system. The control unit (611) is configured to detect a running state of an alternator (201) of the vehicle based on a measurement of a signal on the sense line (612) and control the converter (602) to set the output voltage in dependence on the detected running state.