Disclosed is a power management system implemented on a user device, for at least one power utilizing entity, the power management system comprising: a transfer switch, wherein the transfer switch is configured to: provide power to the at least one power utilizing entity via distribution lines; or provide power to the at least one power utilizing entity via a generator upon failure of distribution lines; a phase switch, wherein the phase switch is configured to: provide power to the at least one power utilizing entity via one or more power sources upon failure of the distribution lines and the generator; and a user device, wherein the user device is configured to enable: the transfer switch to switch between power provided via distribution lines and generator; and the phase switch to switch between power provided via one or more power sources.

A distance detection method and system for a wireless power transmission device are disclosed. The wireless power transmission device includes a transmitter circuit and a receiver circuit, wherein a transmitting coil of the transmitter circuit and a receiving coil of the receiver circuit form an inductive circuit via magnetic coupling. The distance detection method includes: calculating an inductance value of a magnetizing inductance of the inductive circuit according to electrical parameters of the receiver circuit and electrical parameters of the transmitter circuit; and calculating a distance between the transmitting coil and the receiving coil according to the inductance value of the magnetizing inductance of the inductive circuit.

Uses of artificial intelligence in battery technology including a method that includes receiving a trained model, receiving sensor data from at least one sensor associated with a battery, and executing the trained model by a processor. Executing the trained model includes providing the sensor data as input to the trained model to generate a model output. The method also includes sending, from the processor to a charge controller coupled to the battery, a control signal that is based on the model output and automatically, by the charge controller, initiating or terminating charging of the battery based on the control signal.

A vehicle power supply control system includes a communicator configured to receive an emergency notification for notifying that an emergency situation has occurred and a controller configured to control charging and discharging of a secondary battery that supplies electric power to an electric motor for outputting a travel driving force of a vehicle. The controller is configured to perform control for extending an electric power supply range in the secondary battery in a case where the communicator has received the emergency notification.

A system for testing one or more electric circuits simultaneously includes one or more wireless testing devices connected to one or more electric circuits through wired connection, and a receiver device communicatively coupled to the one or more wireless testing devices through wireless connection. Each wireless testing device includes an input unit for converting a physical electrical input received from corresponding electric circuit, into an electrical signal, a generator unit configured to generate one or more variable service set identifier (SSID) communication signals based on corresponding input electrical signal, and a transmitter unit configured to transmit the one or more SSID communication signals to one or more receiver devices simultaneously. The receiver device is configured to receive and monitor the one or more SSID signals, to troubleshoot, verify, analyze, monitor, control and identify the one or more electrical circuits simultaneously.

The present disclosure relates to controlling a capacitor bank using current measurements from different current sensors depending on the power flow direction. For example, the system may perform capacitor bank control operations using current measurements from a first current sensor coupled to the power line between an initial source and the capacitor bank when power is flowing in a first power flow direction on the power line. The system may determine that power flow on the power line has changed from flowing in the first power flow direction to flowing in a second power flow direction from an updated source, different from the initial source. The system may, upon detecting the change in the power flow direction perform control operations of the capacitor bank using current measurements from a second current sensor between an updated source and the capacitor bank.

A system tracks and controls access for supplying electrical power for charging devices associated with a user. The system comprises a server and one or more outlets. The outlets are connected to electrical power and are configured to supply electrical power to the devices. Each of the outlets comprises a socket, a control module, a measurement module, and an identification module. The socket is configured to supply electrical power to the devices. The control module engages and disengages electrical power to the socket. The measurement module measures parameters of electrical power supplied to the devices by the socket. The identification module reads credentials for the user. Each of the outlets is further configured to transmit the credentials to the server for authorization to access the outlet. The server is configured to determine whether the user is authorized to access the outlet and to transmit authorization to the outlet. The outlet is further configured to start a session and provide electrical power to the one or more devices upon receiving authorization from the server. The outlet is further configured to transmit information regarding the parameters to the server during the session.

The present disclosure relates to a capacitor bank control system that uses a combination of line post sensors and wireless current sensors for control operations. For example, a capacitor bank controller may include one or more inputs that electrically couple to a line post sensor to allow the capacitor bank controller to obtain line post sensor measurements. The capacitor bank controller may include a transceiver that receives wireless current sensor measurements from first and second wireless current sensors. The capacitor bank controller may include a processor that controls one or more switching devices of a capacitor bank based at least in part on a combination of line post sensor measurements and wireless current sensor measurements.

A portable power station (PPS) unit includes a controller that receives AC current information of AC input current at an AC input port and produces a control signal that is used to control the PPS unit to operate as a voltage source or a current source, and to control an AC output current at substantially the same magnitude, frequency, and phase as the AC input current. A PPS apparatus includes two or more PPS units connected together such that the AC output power of one PPS unit is connected to the AC input port of a next PPS unit; wherein a first PPS unit is a voltage source and each of the second or more PPS units is a current source, and a total AC output power of the PPS apparatus is substantially a sum of the AC output power produced by the two or more PPS units.

A device for high-voltage or medium-voltage technology includes at least one connection configured for connection to a high-voltage or medium-voltage conductor; a sensor system configured to determine a plurality of different physical and/or chemical measurement values relating to the device and/or the conductor and/or the surroundings; and a communication system, in particular a wireless system, configured to receive the measurement values from the sensor system and to transmit them to an entity in a network. A method for high-voltage or medium-voltage technology is also provided.