Disclosed is an electronic device comprising: a first input/output terminal; a second input/output terminal; a power source module; a first switch selectively connecting the first input/output terminal to the power source module; a second switch selectively connecting the second input/output terminal to the power source module; a diode having an anode electrically connected to the first input/output terminal and a cathode electrically connected to the power source module, so that the diode is connected in parallel to the first switch; and a control circuit for controlling the first switch and the second switch. The electronic device can prevent damage due to power from external electronic devices by controlling the first switch and the second switch in response to connection of the external electronic devices. Additional various embodiments identified through the specification are possible.

A charging device includes a first power output module, a second power output module, a first charging interface, a second charging interface, and a controller. A first switch is coupled between the first power output module and the first charging interface. A second switch is coupled between the first power output module and the second charging interface. A third switch is coupled between the second power output module and the first charging interface. A fourth switch is coupled between the second power output module and the second charging interface. The controller is used for controlling the first switch, the second switch, the third switch and the fourth switch to be turned on or off.

A decentralized electrical power allocation system is provided. The system includes a power bus, electric power consumers, and at least two power source assemblies. Each power source assembly includes a power controller and a power source. Each power controller is configured to execute an adaptive droop control scheme so as to cause their respective power sources to output power to meet a power demand on the power bus applied by the power consumers. The power output of a given power source is controlled based at least in part on correlating a power feedback of the given power source with a droop function that represents an efficiency of the given power source to generate electrical power for a given power output. The droop functions are collaboratively defined so that one power source shares more output at lower power levels while another power source shares more output at higher power levels.

In general, techniques are described that are directed to a device that includes a power storage device, an electrical load, and a first regulated power converter including components configured to generate, during a first time period and using electrical energy received from a power source external to the device, a first power signal to charge the power storage device. A second regulated power converter includes components configured to determine a charging current at which to charge the power storage device, determine a total amount of current flowing to the power storage device that includes current sourced by the second power converter less current sinked by the electrical load, and generate, during a second time period that is non-overlapping with the first time period, using electrical energy from the power source and based on determined the total amount of current, a second power signal to charge the power storage device.

A decentralized charging network of mobile power transmitters comprises a server, power receivers, and a fleet of deployable mobile power transmitters comprising a control system, a power source system having a charge measuring device for monitoring the charge transfer, a charging system configured to transfer charge from the power source system to the power receiver, and a communication system for communication between a power receiver, a server, and the control system. A charging request is received and processed by a server from a power receiver or an operator preparing to charge a power receiver. A qualified mobile power transmitter is identified and instructed to arrive at a location and to charge a power receiver according to charging instructions prepared by the server. The charging is monitored and, upon completion, the mobile power transmitter deactivates the charging session and informs the server.

The present disclosure relates to a method of controlling power supply units (1-9) of a base station (10), and a device (20) performing the method. In an aspect, a method of a base station scheduling device (20) of controlling power supply units (1-9) of a base station (10) is provided. The method comprises acquiring (S102a-c) information indicating a value of voltage input to at least one of the power supply units (1-9) of the base station (10), determining (S103) from said value if the voltage input to said at least one of the power supply units (1-9) is sufficient, and if not determining (S104) power demand of the base station (10), and deactivating (S105) said at least one power supply unit, if remaining power supply units (1-9) is capable of supplying the demanded power.

A method is provided for controlling electrical load on a power grid from a load facility using demand response. The method includes accessing memory storing computer-readable program code for decision analysis of a specified time interval for a demand-response (DR) event. The method also includes executing the computer-readable program code, via a processor, to cause an apparatus to at least make a decision to participate in or opt out of the DR event. This includes the apparatus receiving values of variables that describe occupancy and usage of the load facility for one or more time intervals. The apparatus applies the values to an algorithm that maps the variables to a decision to participate in or opt out of the DR event for the specified time interval. And the apparatus automatically notifies an operator responsible for the DR event of the decision at least when the decision is to opt out.

An assembly able to deliver an output current, includes N electrical energy storage or production cells of rank i, where N≥2, being able to supply a maximum current I.sub.max,i at all times t; a management circuit for managing the electrical energy storage or production cells, wherein, with the cells being classed according to their rank i in decreasing priority of use, the management circuit comprises means for addressing at least the cell of rank 1 or the cells according to their rank i and according to the following criteria: the cell of rank 1 is addressed on its own as long as it is able to supply the output current I.sub.s<I.sub.max1; the cell of rank 1 is addressed with additionally a number k of cells that are addressed successively according to their rank i, so as to supply the current Is at all times in discharge mode, the number k being such that 2<k≤N and meeting the following conditions:

Σ.sub.i=1.sup.k−1I.sub.max,i<I.sub.s and Σ.sub.i=1.sup.kI.sub.max,i≥I.sub.s

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.

A method of altering propulsor output when powering an electronic aircraft includes calculating a power demand of each propulsor of the plurality of propulsors for at least a future phase of flight, wherein each propulsor is powered by an electrical energy source of a plurality of electrical energy sources. The method includes measuring an electrical parameter of each energy source, calculating a power-production capability of each energy source as a function of the electrical parameter. The method includes identifying at least a compromised energy source of the plurality of energy sources, notifying, by a notification unit, a user of the at least a compromised energy source, and adjusting, as a function of the user notification, the power output from the plurality of energy sources to the plurality of propulsors for a current phase of flight as a function of the power-production capability and the power demand.