The present disclosure discloses a DC home power consumption system and a wiring method for home appliances based on the system. The system includes: a home power supply configured to supply power for the home power consumption system; a high-voltage DC bus connected to the home power supply and configured to supply power for a high-power appliance; a low-voltage DC bus connected to the home power supply or the high-voltage DC bus and configured to supply power for a low-power appliance.

A microgrid control system that can govern power provided to a load from various power sources. The microgrid control system can determine apportionment of power between the various sources based on characteristic power features of the various sources.

A method of controlling power supply of a caravan including a photovoltaic plate includes: receiving a first power parameter of an input interface element; determining whether there is a mains supply to be input into the input interface element according to the first power parameter; turning on a first switch to make the input interface element be electrically connected to the output interface element if the mains supply is input into the input interface element; receiving a power parameter of a battery pack if the mains supply is not input into the input interface element; determining whether a remaining power of the battery pack exceeds a power threshold according to the power parameter of the battery pack; and making the battery pack be electrically connected to an output interface element if the remaining power of the battery pack exceeds the power threshold.

An arrangement for connecting and disconnecting DC networks includes a main bus for connecting a plurality of DC lines with each other. First and second DC lines are connected between first and second DC networks and the main bus via respective main switches. The DC networks contain a DC operating equipment, such as a converter, an energy storage device, a DC chopper, a DC cable, an energy source and/or a load. A transfer bus that is electrically connected to the main bus has a transfer bus disconnector for disconnecting the main bus from the transfer bus, a transfer switch, and a current limiting device with a resistor and a parallel resistor bypass switch. The first DC line is connected to the transfer bus via a first transfer disconnector and the second DC line is connected to the transfer bus via a second transfer disconnector.

The invention relates to a method and system for electronic current control for a flexible DC battery pack, in which the battery pack has a plurality of flexibly interconnectable modules having a respective energy store and at least two respective controllable switches and the modules are electrically connected to one another to form a section having a first and a second section end and the two section ends are connected to a respective high-voltage connection, in which the at least two switches of a respective module interrupt a battery current I or interconnect the respective energy store at least in series or parallel with or to bypass the respective energy store of the respectively adjacent module, in which the flexible interconnection of the modules is controlled by a battery control unit and hence a prescribed DC voltage V is provided.

A battery control circuit is applied to an electronic device having N batteries. The battery control circuit includes: a controller, N power switches, and (N1) power diodes; one end of the N power switches is respectively connected in series with an output end of the N batteries; the other end of a first power switch is connected to an input end of a power source and the anode of a first power diode respectively; the other end of an i-th power switch is connected to the cathode of an (i1)-th power diode and the anode of an i-th power diode respectively; the other end of a N-th power switch is connected to the cathode of a (N1)-th power diode and the power supply end of each electric circuit in the electronic device; N first output ends of the controller are respectively connected to control ends of the N power switches, for controlling an ON/OFF state of the N power switches.

An electric power distribution system includes a first path through which electric power is supplied from a DC/DC converter to a driven load to be driven in a load group; a second path connected in parallel with the first path and through which electric power is supplied from the battery to the driven load; a third path connected in series with the second path and connecting the DC/DC converter and the battery; a first switching circuit provided in the third path and switched to either ON state or OFF state; and a control unit switching the first switching circuit to either the ON state or the OFF state based on travel route information of a navigation system. The control unit switches the first switching circuit to the ON state according to a peak current of a load current of the driven load derived from the travel route information.

A charging method, suitable for a power supply device connected to a power source and at least one power receiving device, is disclosed. The charging method includes the following operations: charging the at least one power receiving device by a battery of the power supply device and the power source if a power supply capability of the power source is smaller than charging demand of the at least one power receiving device; and charging the at least one power receiving device and the battery by the power source if the power supply capability of the power source is larger than the charging demand of the at least one power receiving device.

Systems and methods for operating an electric energy storage system are described. The systems and methods include ways of coupling electric energy storage cell stacks to an electric conductor or bus. The coupling is performed to reduce current flow through contactors and to increase a life span of the contactors.

Techniques for power source management in an information handling system (IHS) include detecting connection of multiple power sources to the IHS through respective DC adapters, obtaining data indicating the capabilities of each power source, obtaining data indicating a system load for the IHS, and generating, based on the obtained data, a load management plan specifying a target combined input power amount for power supplied by the multiple power sources and respective amounts of electrical power to be supplied by a single selected power source or by multiple selected power sources. The techniques also include combining the power supplied by each of the selected power sources into a combined input power and supplying the combined input power to the IHS. Prior to the combining, the voltage of the power supplied by a power source may be stepped up or down to a common voltage, or a power source may be de-rated.