Energy control system
The present disclosure provides energy control systems for whole home and partial home backup with integrated breaker spaces and metering. The energy control system includes a grid interconnection electrically coupled to a utility grid, a backup power interconnection electrically coupled to a backup power source, a backup load interconnection electrically coupled to at least one backup load, and a non-backup load interconnection electrically coupled to at least one non-backup load. The energy control system includes a microgrid interconnection device that switches between an on-grid mode to electrically connect the grid interconnection and the backup power interconnection with the backup and non-backup load interconnections and a backup mode to electrically disconnect the grid interconnection and the non-backup load interconnection from the backup power interconnection.
1. An electrical system, comprising:
an energy control system electrically coupled to a plurality of loads and a utility grid;
a photovoltaic (PV) power generation system electrically coupled to the energy control system, the PV power generation system configured to generate and supply power;
an energy storage system electrically coupled to the energy control system, the energy storage system configured to store power supplied by the PV power generation system and discharge stored power to the energy control system; and
an electric vehicle (EV) charger system electrically coupled to the energy control system, the EV charger system configured to supply power received from the energy control system to an EV battery,
wherein the energy control system is configured to distribute power received from the utility grid, the PV power generation system, and the energy storage system to the plurality of loads and the EV charger system,
wherein the energy control system comprises a controller configured to receive electronic data from at least one of the utility grid, the PV power generation system, the energy storage system, the EV charger system, and the plurality of loads,
wherein the controller is configured to select at least one of the utility grid, the PV power generation system, and the energy storage system to supply power to the EV charger system to charge the EV battery based on the electronic data,
wherein the EV charger system is configured to operate according to a selected mode of operation that includes:
an on-demand mode, wherein the EV charger system charges the EV battery at a fixed charging rate that remains fixed over a period of time, and
a dynamic mode, wherein the EV charger system charges the EV battery at a dynamic charging rate that fluctuates over a period of time.
2. The electrical system of claim 1 , wherein the electronic data indicates at least one of a status of the utility grid, a power output by the PV power generation system, a state of charge of the energy storage system, a state of charge of the EV battery, and a load demand by the plurality of loads.
3. An energy control system, comprising:
a grid interconnection electrically coupled to a utility grid,
a backup power interconnection electrically coupled to a backup power source comprising a photovoltaic (PV) power generation system;
a backup load interconnection electrically coupled to a plurality of loads;
an electric vehicle (EV) charger interconnection electrically coupled to an EV charger system configured to charge an EV battery;
a microgrid interconnection device electrically coupled to the grid interconnection, the backup power interconnection, the backup load interconnection, and the EV charger interconnection; and
a controller in communication with the microgrid interconnection device, the controller configured to receive electronic data from the utility grid, the backup power source, the EV charger system, and the plurality of loads, wherein the electronic data indicates a power output by the PV power generation system and a load demand by the plurality of loads,
wherein the microgrid interconnection device is configured to selectively connect at least one of the grid interconnection and the backup power interconnection to at least one of the backup load interconnection and the EV charger interconnection and to selectively disconnect at least one of the grid interconnection and the backup power interconnection from at least one of the backup load interconnection and the EV charger interconnection, and
wherein the controller is configured to adjust a charging rate of the EV charger system over a period of time based on the power output of the PV power generation system and the load demand by the plurality of loads.
4. The electrical system of claim 3 wherein the controller is configured to actuate the microgrid interconnection device to disconnect the grid interconnection from the EV charger interconnection when the electronic data indicates that the power output of the PV power generation system is greater than the load demand by the plurality of loads.
5. The electrical system of claim 1 wherein the controller is configured to determine the selected mode of operation for the EV charger system based on a user selection transmitted from a user device.
6. The electrical system of claim 1 wherein the controller is configured to determine the selected mode of operation for the EV charger system based on the electronic data.
7. The electrical system of claim 1 wherein the fixed charging rate is a predetermined charging rate stored in a memory of the EV charger system.
8. The electrical system of claim 1 wherein when the EV charger system is set in the on-demand mode, the period of time for charging the EV battery is selected by a user.
9. The electrical system of claim 1 wherein the controller is configured to determine the dynamic charging rate for the EV charger system based on the electronic data.
10. The electrical system of claim 9 , wherein the electronic data indicates a difference between a power output of the PV power generation system and a load demand by the plurality of loads, and wherein the controller is configured to adjust the dynamic charging rate over the period of time based on the difference between the power output of the PV power generation system and the load demand by the plurality of loads.
11. The electrical system of claim 1 wherein when the EV charger system is set in the dynamic mode, the controller is configured to select the PV power generation system to supply power to the EV charger system and configured to disconnect the utility grid from the EV charger system.
12. The electrical system of claim 1 wherein when the EV charger system is set in the dynamic mode, the controller is configured to distribute power received from the PV power generation system to the EV charger system before distributing power to the plurality of loads.
13. The electrical system of claim 3 wherein the controller is configured to actuate the microgrid interconnection device to disconnect the backup power interconnection from the EV charger interconnection when the electronic data indicates that the load demand by the plurality of loads is greater than the power output of the PV power generation system.
14. The energy control system of claim 3 , wherein the controller is configured to actuate the microgrid interconnection device to connect at least one of the grid interconnection and the backup power interconnection to the EV charger interconnection to charge the EV battery based on the electronic data and disconnect at least one of the grid interconnection and the backup power interconnection from the EV charger interconnection based on the electronic data.
15. The electrical system of claim 3 , wherein the electronic data indicates a state of charge of the EV battery, and wherein the controller is configured to adjust a charging rate of the EV charger system based on the state of charge of the EV battery.
16. A method for controlling an electric vehicle (EV) charger system electrically coupled to an energy control system and configured to charge an EV battery, comprising:
monitoring, by a controller of the energy control system, a user selection transmitted from a user device;
receiving, by the controller, electronic data indicating a power output of a photovoltaic (PV) power generation system and a load demand by a plurality of loads;
calculating, by the controller, a difference between the power output of the PV power generation system and the load demand of the plurality of loads;
adjusting, by the controller, a charging rate of the EV charger system to a predetermined charging rate when the user selection indicates an on-demand mode; and
adjusting, by the controller, the charging rate of the EV charger system based on the calculated difference between the power output and the load demand when the user selection indicates a dynamic mode.
17. The method of claim 16 , wherein when the calculated difference indicates the load demand is greater than the power output, the adjusted charging rate of the EV charger system is set to zero when the user selection indicates the dynamic mode.