A power supply system comprises a portable first power supply device and second power supply device. The portable first power supply device has a handle to be gripped by a hand of a user. A supply unit of the portable first power supply comprises an inverter circuit which converts at least a portion of excess power into an alternating current, and supplies to the second power supply device via a second connection unit and a power line, power of the alternating current outputted from the inverter circuit.

A piece of luggage including a main body and a power supplying module is disclosed. The main body includes a moving module including a plurality of wheels and a main motor and a power unit electrically connected to the moving module. The wheels include an active wheel electrically connected to the main motor. The power supplying module includes a power supplying unit including a power supplying box and a battery and a connecting unit including a connecting part, a holding part and a conducting wire. The power supplying box has an output port. The battery is disposed in the power supplying box and electrically connected to the output port. The connecting part has a power port corresponding to the output port. The holding part and the conducting wire are connected to the connecting part. The conducting wire is electrically connected to the power port and the power unit.

A power management server comprises a controller configured to select, from a plurality of facilities having storage battery apparatuses, two or more first facilities applying first processing configured to suppress a discharge amount of the storage battery apparatuses. The controller is configured to apply, to the two or more first facilities, a same condition as a suppression condition of the discharge amount of the storage battery apparatuses.

This disclosure provides systems, methods and apparatus for smart sockets in a communication network. A smart socket can be implemented to monitor one or more power quality characteristics of a power supply providing energy to the smart home environment. Smart sockets implemented to monitor power quality characteristics can sense when power fluctuations are present in the power supply, and shut down connected devices to prevent damage. A plurality of coordinating smart sockets can be implemented to optimize power utilization when the smart home environment is operating on backup power, during low electricity tariff periods, or when operating on a renewable energy source. The plurality of coordinating smart sockets can be implemented to autonomously schedule tasks based on a context of operation of other devices in the smart home environment. The plurality of coordinating smart sockets can be implemented to achieve configurable energy targets for the smart home environment.

An energy system is provided, including: a first placement unit for removably placing a mobile energy storage device capable of storing energy or energy sources; a second placement unit for removably placing the mobile energy storage device; an abnormality acquiring unit for acquiring an abnormality on an energy path used for energy exchange, the energy path built between a first energy consumer having the first placement unit and a first energy consuming device, and a second energy consumer having the second placement unit and a second energy consuming device; a mobile object for autonomously moving with the mobile energy storage device loaded thereon, so as to remove the mobile energy storage device from the first placement unit and place the mobile energy storage device on the second placement unit, if the abnormality acquiring unit acquires an abnormality when the mobile energy storage device is placed on the first placement unit.

Provided in the present invention are a microgrid control system and a microgrid, the microgrid control system comprising: a grid-connected switch, an energy router, a first controller and a second controller; the first controller controls the grid-connected switch and sends a first control instruction; the second controller receives the first control instruction and responds to the first control instruction for controlling the energy router.

A system for managing second-lives of a plurality of electric vehicle (EV) batteries includes a plurality of electric vehicles and a stationary second-life unit. Each electric vehicle includes at least one of the plurality of EV batteries during a first-life of each respective EV battery, in which each respective EV battery is utilized to power a respective one of the plurality of electric vehicles. Each of the plurality of electric vehicles is configured for bi-directional electric power exchange with a power grid via a vehicle-to-grid interface. The stationary second-life unit includes each of the plurality of EV batteries during a second-life of each respective EV battery. The stationary second-life unit is configured for bi-directional power exchange with the power grid. A state-of-health of each of the plurality of EV batteries is individually controlled, during the first-life of each respective EV battery, such that the plurality of EV batteries each have substantially similar states-of-health at a start of the second-life of each respective EV battery.

A control apparatus includes: a determining unit that determines whether or not a vehicle provided with a driving power source is at a position where the vehicle can perform power transfer with a power network; and a notification control unit that makes a user of the vehicle notified, if the driven vehicle is at the position where the vehicle can perform power transfer with the power network. If the vehicle is positioned near a power transfer facility for performing power transfer between the vehicle and the power network, the determining unit determines that the vehicle is at the position where the vehicle can perform power transfer with the power network.

This consists of a system capable of integrating all the control, supervision and monitoring functions of power transformers (2) equipped with on-load tap changers bringing benefits such as design simplifications, manufacturing simplifications, reductions in manufacturing costs, optimization and reduction of maintenance costs, and increased reliability of the transformer, which is promoted to the category of intelligent transformer, ready for the Industrial Internet of Things (IIoT) and Smart Grids.

Systems and methods for swapping mobile robot batteries on battery charging stations are disclosed herein. An example system may comprise at least one mobile robot, wherein the mobile robot may be optionally coupled to a modular component, and wherein the mobile robot and the modular component may each have robot batteries configured to be detachably removed from the mobile robot and the modular component. An example system may also comprise at least one battery charging station for receiving robot or modular component batteries for charging, and also for providing charged batteries to mobile robots or modular components. Finally, the system may comprise a service provider and a network that may be used to manage data and handle interactions between the mobile robots and the battery charging stations.