An electrical distribution system includes a distributor designed to distribute an electric current in an electrical installation, the distributor being configured to be connected to a distribution grid, to at least one secondary electrical power supply source and to a plurality of the electrical loads . An electronic control device is configured to manage power supply parameters of at least some of the electrical loads to reduce the electric current consumed and/or to manage operating parameters of at least some of the secondary electrical power supply sources in order to reduce the electric current delivered by these sources, so as to comply with a current threshold dictated by a protection element and/or by the distributor .

An electricity distribution system for a domestic installation including multiple electrical sources. The system includes a connecting device arranged for distributing an electric current in the installation, from sources including an electricity distribution network and at least one auxiliary electrical supply source, to at least one electricity consuming load, the connecting device including at least one linear segment, each linear segment including a plurality of electrical conductors adapted to route the electric current along an electrical conduction path. The system further includes a switching device principal configured for switching between two states which, respectively, allow or prevent the flow of electric current from the electricity distribution network to the connecting device, an auxiliary switching device for each auxiliary electrical supply source being configured for switching between two states which, respectively, allow or prevent the flow of electric current from the associated auxiliary electrical supply source to the connecting device. The system further includes at least one load switching device configured for switching between two states which, respectively, allow or prevent the flow of electric current from the connecting device to at least one electricity consuming load, the or each load switching device being electrically connected to the connecting device at an intermediate connection point between said first connection point and the or each second connection point.

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 charging system based on a master-slave relationship includes a master charging device coupled with a target device, and at least one slave charging device electrically connected with the master charging device. An edge slave charging device among the at least one slave charging device is coupled with a power source. The master charging device determines a power-output distribution of the master charging device and the at least one slave charging device, and notifies the at least one slave charging device of the power-output distribution. The at least one slave charging device provides a supplementary power to the master charging device according to the power-output distribution. The master charging device further provides a specific power for the target device based on the supplementary power, so as to charge the target device in cooperation with the at least one slave charging device.

In a method for operating a soil-working machine, in particular a soil compactor, wherein the soil-working machine (10) comprises a plurality of consumers of electrical energy fed from an energy store (58), a load state of the energy store (58) is registered and when the presence of a state of excessive load of the energy store (58) is detected, at least one consumer of electrical energy is deactivated and/or the power consumption of at least one consumer of electrical energy is reduced, and/or consumers of electrical energy are put into operation with a time offset in order to avoid entering a state of excessive load of the energy store (58).

A technique enables microgrid switchover using zero cross detection. A flexible load management system includes a virtual critical load panel (vCLP) that utilizes circuit breakers in combination with companion modules configured to sense power provided to one or more loads to identify zero-crossings. When a preconfigured number of consecutive, missed zero-crossings is detected, the companion module is alerted as to potential main power loss and transitions to a virtual critical load (vCL) mode for load adjustment prior to operation under local power. Upon detection of main power loss, the companion module is configured for load activation (or deactivation) via states of one or more vCL bits that configure each load for either ON or OFF state when operating under local power.

The present disclosure relates to the technical field of smart home, and provides a direct current load response control method and device, and a direct current electric appliance. The direct current load response control method of the present disclosure comprises: monitoring a utilization voltage of a direct current load; determining whether the utilization voltage is within a response interval; and controlling the operation of the direct current load according to the determination result and the type of the direct current load.

In accordance with at least one aspect of this disclosure, a method for power distribution and load management in an aircraft can include budgeting a designated current for one or more loads in one or more respective power districts in a power distribution system based on a nominal load draw for each of the one or more loads, determining a system condition of the power distribution system, prioritizing each of the one or more loads based on the system condition, and distributing power from each of the one or more power districts to the respective one or more loads in order of priority until a total budgeted designated current for the respective power district has been exhausted, and leaving any remaining loads in the one or more power districts unpowered.

An apparatus for charging electric vehicles is provided having a connection to a power supply grid, at least one charging connection for at least one electric vehicle, and a central processing unit, wherein the apparatus further comprises a receiver device designed as a ripple control receiver and configured to receive a low-frequency ripple control signal from a ripple control transmitter in the power supply grid, and a relay element configured to process a control signal from the receiver device and to pass it on to the central processing unit, wherein the central processing unit is configured to selectively reduce the charging current of an electric vehicle connected to the at least one charging connection within a predetermined period of time.

Aircraft power and propulsion systems and methods of operating the systems, one method includes: operating electric machines of gas turbine engines as generators to extract mechanical power from spools and generating electrical power therefrom; meeting an electrical power demand of a plurality of electrical loads connected with an electrical system by supplying the plurality of electrical loads with electrical power generated by the electric machines; determining when there is an electrical system and/or the gas turbine engine fault and an amount of electrical power generated by the power and propulsion system is reduced to a lower level; and responsive to the determination: during a time period ΔT, controlling the plurality of electrical loads reducing the electrical power demand; and during the time period ΔT, meeting at least part of the electrical power demand of the plurality of electrical loads by discharging the electrical energy storage system.