Various embodiments include a method for controlling energy exchanges between energy systems via a power grid using a central control device. At least one of the energy systems comprises a heat generation installation converting electrical energy into heat. An example method includes: providing an electrical load forecast

[00001]$p_t^e$

for the heat generation installation required to cover an envisaged thermal load

[00002]${\stackrel{.}{q}}_t^{\mathrm{thermal}};$

transmitting the electrical load forecast

[00003]$p_t^e$

to the control device, wherein other energy systems also transmit respective electrical load forecasts to the control device; ascertaining electric powers

[00004]$P_t^e$

associated with energy exchanges using the control device, on the basis of transmitted electrical load forecasts

[00005]$p_t^e,$

executed by an optimization method for minimizing an associated target function minimizing a number of starts

[00006]$y_t^{\mathrm{heat}}$

of the heat generation installation for covering the envisaged thermal load

[00007]${\stackrel{.}{q}}_t^{\mathrm{thermal}};$

and controlling energy exchanges according to the electric powers

[00008]$P_t^e$

using the control device.

A household appliance contains a DC power supply configured to provide a DC supply voltage between a first DC supply line and a second DC supply line from an external DC supply, which is external to the household appliance. Furthermore, the appliance contains an electrical component which is configured to be operated by the DC supply voltage. The appliance further contains at least one DC switching circuit having a semiconductor-based switching element which is configured to galvanically interrupt the first DC supply line or the second DC supply line in reaction to a control signal.

Systems and methods are disclosed for managing power supplied over an electric power grid from at least one power supply source. A coordinator manages communications between at least one server and the at least one power supply source, wherein the server is operable to initiate power commands, wherein the communications comprise an actual amount of power supply available for the electric power grid from the at least one power supply source, and wherein the at least one power supply source is operable to provide power supply to the electric power grid based on the power commands.

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.

Certain aspects of the present disclosure provide techniques for power management of a wireless powered appliance. A wireless powered appliance includes a wireless power receiver configured to generate electric power from a magnetic field emitted from a wireless power transmitter. The electric power comprises a supply voltage. The wireless powered appliance further includes power level detection circuit comprising circuit components configured to generate one or more output signals. The one or more output signals correspond to the supply voltage exceeding one or more thresholds. The wireless powered appliance further includes a power transition stabilizer circuit configured to receive the one or more output signals and the supply voltage. The power transition stabilizer circuit includes one or more electrical loads configured to electrically couple to the supply voltage based on the one or more output signals such that the supply voltage is reduced by the one or more electrical loads.

Electrical power supply systems may include a housing separate from a meter socket, an input disconnect in the housing configured to receive electrical power from the meter socket, an auxiliary disconnect in the housing configured to receive electrical power from the input disconnect and to provide the electrical power to an auxiliary device, and a main electrical output in the housing configured to receive electrical power from the input disconnect and to provide the electrical power to a disconnect panel. Various other related systems and methods are also disclosed.

Electrical power supply systems may include a single housing including a meter socket section and an auxiliary connection section. A socket for connecting a power meter may be in the meter socket section. An input disconnect configured to receive electrical power from the meter socket section may be in the auxiliary connection section. An auxiliary disconnect configured to receive electrical power from the input disconnect and to provide the electrical power to an auxiliary device may be in the auxiliary connection section. A main electrical output configured to receive electrical power from the input disconnect and to provide the electrical power to a disconnect panel may be in the auxiliary connection section. Various other related systems, devices, and methods are also disclosed.

The present disclosure provides a scheduling method, system, electronic device, and medium for addressing power shortages, comprising: step S1: classifying demand-side flexible resources; step S2: constructing a day-ahead-and-intraday optimization scheduling mechanism for demand-side resources to participate in system regulating; step S3: modeling demand-side flexible resources; step S4: aggregating regulating abilities of the Class II load; and step S5: constructing an intraday optimization scheduling model based on a total cost of purchasing electricity from other power grids and a total cost of dispatching load-side resources. The present disclosure classifies demand-side resources and constructs an optimization scheduling mechanism, effectively dispatching different types of regulating resources to participate in optimization scheduling, balancing cost of purchasing electricity from outside the province and dispatching resources within the province, considering uncertainty of adjustability of distributed resources making the model more accurate and practical, thereby reducing cost of scheduling during power shortage.

Systems, devices and methods for wirelessly charging a water heater device are presented. A system for wirelessly charging a water heating device, the system comprising: the water heating device, wherein the water heating device comprises a water heating element; a wireless power transmitter configured to: receive a first electrical current from a first power source; and generate a magnetic field, an ultrasonic wave, a microwave, a wireless power transmission, or a laser pulse based on the first electrical current; and a wireless power receiver configured to: generate a second electrical current based on the magnetic field, the ultrasonic wave, the microwave, the wireless power transmission, or the laser pulse; and provide the second electrical current to the water heating element or to a second power source of the water heating device.

A method and device for detecting a foreign matter for a wireless power transmission system, a household appliance and an air conditioning system are provided. The wireless power transmission system includes a transmitting end and a receiving end. The receiving end includes a receiving detection coil and a receiving work coil, and a mutual inductance corresponding to the receiving detection coil is greater than a mutual inductance corresponding to the receiving work coil. The method includes: controlling the transmitting detection coil of the transmitting end to send an electric energy to the receiving end and obtaining a transmitting power of the transmitting end; obtaining a receiving power when the receiving end receives the electric energy transmitted by the transmitting end; obtaining a result of a foreign matter detection based on the transmitting power and the receiving power.