An aggregation control system for adjusting electric power between a plurality of facilities via a mobile storage battery apparatus, wherein each of the plurality of facilities includes a control apparatus that controls charging and discharging of the mobile storage battery apparatus, and the aggregation control system includes a server apparatus coupled to each control apparatus; and wherein the server apparatus: creates a charge-discharge condition for the mobile storage battery apparatus on the basis of management information for electric power demand and supply at a specified facility among the plurality of facilities; compares a charge-discharge request to a control apparatus of the specified facility with the charge-discharge conditions; and issues a command to the control apparatus to charge or discharge the mobile storage battery apparatus according to a result of the comparison.

Systems, methods, and apparatus for smart electric power grid communication are disclosed in the present invention. At least one grid element is constructed and configured in network-based communication with a server via at least one coordinator. The at least one grid element is transformed into at least one active grid element automatically and/or autonomously after initial connection with the server. The at least one active grid element sends and receives messages to and from the server via at least one coordinator. The at least one coordinator matches and prioritizes the at least one active grid element. The at least one coordinator provides a priority flag on the messages. The at least one coordinator tracks an actual amount of power introduced to and available for an electric power grid or a curtailment power available from the at least one active grid element.

The disclosure discloses a photovoltaic power optimization system, comprising: a plurality of photovoltaic panels; a photovoltaic optimizing module array comprising a plurality of photovoltaic optimizing modules connected in series, each of the photovoltaic optimizing modules being electrically connected to at least one of the photovoltaic panels; an inverter electrically connected to an output terminals of the photovoltaic optimizing module array for converting a DC power into an AC power; and a data center unit communicates wirelessly with at least one of the photovoltaic optimizing modules, and also communicates with the inverter via power line.

Systems, methods, and apparatus for smart electric power grid communication are disclosed in the present invention. At least one grid element is constructed and configured in network-based communication with a server via at least one coordinator. The at least one grid element is transformed into at least one active grid element automatically and/or autonomously after initial connection with the server. The at least one active grid element sends and receives messages to and from the server via at least one coordinator. The at least one coordinator matches and prioritizes the at least one active grid element. The at least one coordinator provides a priority flag on the messages. The at least one coordinator tracks an actual amount of power introduced to and available for an electric power grid or a curtailment power available from the at least one active grid element.

Techniques for improving efficiency of wireless power transfer to shunt-based receiver are provided. In an example, techniques can optimize wireless power transfer by comparing instantaneous peak voltage of a transmit coil of a wireless power transmitter to an average peak voltage of the transmit coil, and then, based on the comparison, adjust a setpoint of the wireless power transmitter to a more efficient level.

The present disclosure provides an electrical system that includes an energy control system, a photovoltaic (PV) power generation system electrically coupled to the energy control system, an energy storage system electrically coupled to the energy control system, and a smart load panel electrically coupled to the energy control system and to a plurality of backup loads. The energy control system operates in an on-grid mode electrically connecting the PV power generation system to a utility grid and a backup mode electrically disconnecting the PV power generation system from the utility grid. The smart load panel selectively disconnects one or more of the plurality of backup loads from the energy control system when the energy control system is in the on-grid mode and when the energy control system is in the backup mode.

A wireless power transmitter according to an embodiment of the present specification comprises: a power converter comprising a primary coil magnetically coupled to a secondary coil of a wireless power receiver to transmit wireless power; and a controller for communicating with the wireless power receiver and controlling the wireless power transmission, wherein the controller receives first information relating to the secondary coil from the wireless power receiver, receives second information relating to the position information of the wireless power receiver from the wireless power receiver, and distinguishes a state in which a foreign material is present between the wireless power receiver and the wireless power transmitter, and a misalignment state of the primary coil and secondary coil, on the basis of the first information and second information.

When a baseline is in a certain state, a server executes a process including: a step of calculating an amount of power exchanged between a battery and a power grid during the first charging control; a step of calculating an amount of power exchanged between the battery and the power grid during the second charging control; a step of calculating an amount of power exchanged between the battery and the power grid during the first power feeding control; a step of calculating an amount of power exchanged between the battery and the power grid during the second power feeding control; and a step of setting a calibration line for the amount of power.

A modular photovoltaic (PV) array system includes a PV array installed onto a fleet vehicle such as a trailer, bus etc., a host control system into which a plurality of fleet vehicles can connect to collectively generate electricity, and a subscriber system which collectively tracks energy generation and allocates respective contributions to the system.

Methods and apparatus for electric vehicle charger with load shedding. One embodiment provides a method of load shedding including receiving, at an electronic processor of an EV charger, an indication of an amount of current flowing through a main switchboard connected to the EV charger and determining, with the electronic processor, whether the amount of current exceeds a dynamic threshold. The method also includes reducing, using the electronic processor, a charge rating of the EV charger when the amount of current exceeds the dynamic threshold.