A method includes determining a first voltage level of a first battery and a second voltage level of a second battery. Based on a difference between the first voltage level and the second voltage level satisfying a first threshold and a magnitude of a current failing to satisfy a second threshold, one of the first battery or the second battery is disconnected from the one or more components, and the one or more components of the portable device are powered using the other of the first battery or the second battery. Based on one or more of the difference between the first voltage level and the second voltage level failing to satisfy the first threshold or the magnitude of the current failing to satisfy the second threshold, the one or more components of the portable device are powered using the first battery and the second battery.

A wireless power transmission apparatus including a plurality of cooking zones, a communication interface to communicate with a cooking appliance, an output interface, a wireless power transmitter comprising a plurality of working coils corresponding to the plurality of cooking zones, and an inverter circuit, and at least one processor configured to: control, upon detecting a first wireless communication signal transmitted from the cooking appliance, the inverter circuit to drive the plurality of working coils to generate a magnetic field according to a plurality of power transmission patterns; receive a second wireless communication signal from the cooking appliance, including information regarding the cooking zone detected at a location of the cooking appliance; and based on the second wireless communication signal, output, through the output interface, the information regarding the cooking zone in which the cooking appliance is located.

Energy storage systems for charging an electronic device and methods of operating the same are disclosed. The energy storage system includes an AC bus, a DC bus, a plurality of batteries, a plurality of breakers, a plurality of inverters, and a controller operatively coupled with the batteries and the breakers. The method includes calculating, by the controller, an amount of power necessary to charge the electronic device; operating, by the controller, the breakers such that the batteries of a discharging station is configured to discharge through a charging station; and charging the electronic device using the batteries.

Embodiments disclosed herein include a power management apparatus including a smart circuit breaker (“iCB”) that wirelessly communicates with one or multiple power consuming devices. The iCB also communicates with a power provider (power company) to manage preset power quotas for consumers. Aspects include management of device priorities such that devices with higher priorities receive power before those with lower priorities when quotas are exceeded for a consumer premises.

Controlling a load includes sensing a characteristic of a circuit. A device loads the circuit. It further includes, based at least in part on the sensed characteristic, determining whether the circuit is in a state in which load shedding should be performed. It further includes controlling a switch to control power from the circuit to the device.

A method of controlling a heating system includes: obtaining, from a power supply source, information specifying an output modulation period during which power consumption by a heat pump unit is to be reduced; and controlling, based on the information obtained in the obtaining, an amount of heat generated by the heat pump unit. In the controlling, the heat pump unit is caused to generate a first amount of heat per unit time in a period other than the output modulation period, and generate a second amount of heat per unit time during the output modulation period, the second amount of heat being less than the first amount of heat.

The preset invention is directed to a building energy management system and method, more specifically to a building energy management system and method that can quickly detect and control an abnormal situation or an emergency situation that may occur within a building.

A method for controlling intelligent household appliances, comprising: acquiring an appliance control signal set and an initialization feedback signal set corresponding to the control signal set, and sending a control signal; receiving the control signal, sending the control signal to the household appliance to instruct the household appliance to perform an operation represented by the control signal; acquiring state information and a feedback signal of the household appliance; and calculating a variation amount of the state information, and judging a matching rate between the feedback signal and the initialization feedback signal The present invention also provides an intelligent socket, which can allow a terminal to obtain an actual control result after a control instruction being sent An intelligent socket based on a high power infrared emitting tube, wherein the high power infrared emitting tube is provided in a limiting hole for infrared emission in a direction away from a panel.

An electrical power supply arrangement includes a solar power device that converts sunlight into DC electrical power. A DC load runs on the DC current electrical power. The DC load may be controlled or adjusted to consume a maximum amount of the electrical output of the solar power device. A DC-to-AC converter converts the DC electrical power into AC electrical power. A controller enables the DC-to-AC converter to receive a portion of the DC current electrical power from the solar power device only if all of the DC current electrical power cannot be consumed by the DC load.

A control system is disclosed that includes a room controller transmitting signals to both a shade control network and a light control network, directing that motorized roller shades and dimmable lights be set to desired intensity levels. The control system further includes an intelligent hub that provides a trickle-charge re-charge current via power-over-Ethernet cables to batteries associated with each of the motorized roller shades for re-charging the batteries, thereby eliminating power supplies being installed within walls. The intelligent hub provides for communication with the room controller based on streaming protocol and with the shade control network based on event-based protocol. A computer running user-interface software can be connected to the system to facilitate programming.