A control device that controls an in-vehicle battery and a charger in a demand and supply control system is configured to obtain total demand for electric power or the like generated in in-vehicle equipment, determine whether or not the total demand is able to be satisfied with electric power or the like suppliable from the in-vehicle battery, when the total demand is not able to be satisfied solely with the in-vehicle battery, and bring the charger into a drive state in a case where the total demand is able to be satisfied with total electric power or the like suppliable from the in-vehicle battery and the charger.

Method and apparatus for controlling loads connected to a distributed energy generation system. The method and apparatus display a list of loads, load status, load control state, where the load control state is manipulated through a user interface displayed on a user device. The load control state defines the operation of a load depending upon the operational status of the distributed energy generation system.

An embedded power supply apparatus is partially buried in an enclosed structure, is configured to provide a first DC voltage to a plurality of electronic devices, and includes a first power conversion circuit, a plurality of switch circuits, a human-machine interface module and a control circuit. The first power conversion circuit is configured to convert an input AC voltage into the first DC voltage and provide the first DC voltage to the switch circuits. The switch circuits each is configured to selectively transmit the first DC voltage to a corresponding electronic device of the electronic devices according to a corresponding first control signal of a plurality of first control signals. The control circuit is configured to receive a second control signal generated by the human-machine interface module, and generate the first control signals to the switch circuits according to the second control signal.

This energy management device is provided at a customer and is capable of controlling an electric appliance of the customer by communicating with a server. The server is configured to send a request for demand response. The energy management device includes: a receiver configured to receive the request for the demand response from the server; a transmitter configured to transmit a response indicating participation or nonparticipation with respect to the request; an electric appliance control unit configured to control the electric appliance; and an information acquisition unit configured to acquire information of the electric appliance. When determination that the request for the demand response is not achievable has been made after the response indicating participation has been transmitted, a response indicating nonparticipation is transmitted.

A water electrolysis system includes a plurality of conversion circuits configured to convert a first power generated by a solar power generation apparatus into a plurality of second powers, respectively, a control circuit configured to control at least a number of driven conversion circuits among the plurality of conversion circuits, and a plurality of water electrolysis cells configured to receive the plurality of second powers from the plurality of conversion circuits, respectively, wherein the control circuit includes a detector configured to detect an occurrence of a change in the first power, the change exceeding a predetermined amount per predetermined time, and the control circuit increases the number of driven conversion circuits in response to the detector detecting the occurrence of the change.

An electrical load system includes one or more electrical loads, a power transfer switch, and an electronic control system. The power transfer switch is coupled with and can provide power to one or more electrical loads from a first power source or a second power source. The electronic control system evaluates a source impedance of the first source and controls the power transfer switch in response to the source impedance of the first source indicating a fault condition of the first power source that would interrupt power from the first power source to the one or more electrical loads prior to the fault condition disrupting power from the first power source to the one or more electrical loads.

A power source supply control device includes controllable switch units configured to switch provision or non-provision of power source electric power supply to respective loads from a main power source, load monitor units configured to monitor a state in each of one or more of the loads connected to downstream sides of switch units, and a switch control unit configured to control on/off of each of the switch units sequentially, based on monitor situations of the load monitor units, in which the switch control unit specifies an energization switching order to the loads according to a predetermined state.

A control and monitoring device integrated in an intermediary coupling unit, said intermediary coupling unit being configured to couple an electrical appliance to a power supply, said control and monitoring device comprising a control module configured to change a status of the electrical appliance; a sensor configured to monitor a condition of said electrical appliance and/or an environment thereof; and a processor configured to instruct the control module to change a status of the electrical appliance based on an output of the sensor. Complementary devices and methods of operating such devices are also presented herein.

A device, for a low-voltage circuit, includes a four-pole input connection for a three-phase AC circuit having a neutral conductor, including a first, second and third input phase pole, and an input neutral conductor pole; a two-pole output connection; a first connection between the between the input and output neutral conductor pole; a first, second and third electronic switch unit to carry out opening and closing of an electrical connection; a voltage sensor for determining the voltage level of the input phase poles; and a controller connected to the voltage sensor and the electronic switch units, designed such that, depending on the voltage level of the input phase poles, the first, second or third input phase pole is connected to the first output phase pole via the respective electronic switch unit, the first output phase pole being connected to the respective input phase pole having the highest voltage level.

Apparatus, methods, and computer program products for managing power sharing in electronic devices are disclosed. One apparatus includes a processor and a memory that stores code executable by the processor to determine, in real-time, whether one or more first electronic devices that are compatible with a second electronic device that is low on power are within a predetermined geographic distance of the second electronic device and, in response to determining that one or more first electronic devices that are compatible with the second electronic device are within the predetermined geographic distance of the second electronic device, transmit a request to the one or more first electronic devices inquiring whether any of the one or more first electronic devices are willing to share power with the second electronic device. Methods and computer program products that include and/or perform the operations of the apparatus are also disclosed.