An energy management device that interworks with an electric power grid, a power generation device, an Energy Storage System (ESS), and a bidirectional Electric Vehicle (EV) charger includes: at least one processor; and a memory storing at least one instruction executed via the at least one processor. At least one instruction may include: an instruction for collecting basic information including information regarding a power generation state and a power consumption state, and grid electric power cost information; an instruction for establishing, by using the collected basic information, an ESS operation schedule for controlling charging and discharging operations of an ESS battery and an EV operation schedule for controlling charging and discharging operations of an EV battery; and an instruction for controlling the ESS battery and the EV battery to be charged/discharged in accordance with the ESS operation schedule and the EV operation schedule.

The present disclosure relates to an apparatus comprising a controller, an inverter, a load and a DC link. The DC link is coupled to the load and couplable to a power source. The load comprises an AC electrical component. The inverter is configured to provide an output voltage and an output current to the AC electrical component, the output voltage having an output frequency. The controller is configured to: evaluate a component startup criterion relating to whether the AC electrical component is performing a startup process; in response to a determination that the component startup criterion has been met, operate the inverter in a protected startup mode; and when operating the inverter in the protected startup mode, control the output frequency such that the output frequency increases with time until the output frequency reaches a predefined operating frequency.

An electric vehicle (EV) charging system includes a controller comprising a central processing unit and implemented on a single printed circuit board, and a first output connection and a second output connection each coupled to the controller and operable to deliver power via the AC power supply. The controller is operable to direct the AC current from the higher voltage side of the printed circuit board to the first output connection comprising a first output head operable to charge an EV, detect a load on the second output connection, halt the AC current directed to the first output connection responsive to detecting the load on the second output connection, and direct the AC current from the higher voltage side of the printed circuit board to the second output connection after halting the AC current directed to the first output connection.

The power generation system includes a power generation device including a solar panel and a control device that controls the power generation device. The control device executes a process of starting the power supply of the power conversion device when the generated power of the solar panel exceeds a start threshold. The control device executes a process of ending the power supply when the generated power falls below an end threshold smaller than the start threshold. The control device executes at least one of a first process, which is a process of increasing the start threshold, and a second process, which is a process of decreasing the end threshold, based on the fact that the index value that increases in conjunction with the generated power amount since the start until the end of the electric power supply is equal to or less than a determination threshold.

The disclosure relates to a power source assembly for powering high current low impedance devices from an Autonomous Underwater Vehicle, AUV, battery pack and/or auxiliary battery packs, comprising: one or more high current low impedance devices, a high current power source, wherein the high current low impedance device is powered by the high current power source, one or more AUVs, the one or more AUVs comprising an AUV and/or auxiliary battery pack, and the high current power sources, the high current low impedance device further comprising a high current supply module comprising an electronic circuit adapted to: supply a current from the AUV battery pack or AUV and/or auxiliary battery pack, store the supplied power in the high current power source, and supply high current to a connected high current output device. The disclosure further relates to a method for maintaining the power source assembly and a system for a powering the high current low impedance devices.

Module-based energy systems are provided having multiple converter-source modules. The converter-source modules can each include an energy source and a converter. The systems can further include control circuitry for the modules. The modules can be arranged in various ways to provide single phase AC, multi-phase AC, and/or DC outputs. Each module can be independently monitored and controlled.

A power supply control apparatus, located in a battery system which supplies power to a driving device, including: a switching device disposed on a power supply path between the battery and the driving device to electrically connect or disconnect the battery and the driving device; a main controller configured to control whether the battery should supply power to the driving device or not by controlling the switching device; and an auxiliary controller configured to control the switching device instead of the main controller in the instance that an abnormality occurs in the main controller.

An electrical bicycle electrical system includes a battery, various accessories and an electrical power distribution module. The electrical power distribution module includes a control device, various accessory modules and a voltage convertor module. The electrical power distribution module operates to convert the bicycle battery voltage to the corresponding voltages of the bicycle accessories which are commonly lower than the battery voltage. The electrical power distribution module adapts to a variety of different bicycles, manufactured by different manufacturers, allowing users to replace the manufacturer's engine control unit to fit their application.

An embodiment charging power filtering method includes receiving a signal instructing whether or not a filtering request is required from an on-board charger, selecting a mode of a plurality of modes for driving a filter based on the signal instructing whether or not the filtering request is required, and charging a battery using the selected mode.

An integrated power management system for electric vehicles utilizes a centralized power management compartment architecture. The power management compartment, located under the second-row seat, houses components including a central electronic control unit (ECU), an energy management module (EMM) with direct current to direct current (DC-DC) converter, and a low voltage battery. This centralized architecture features direct battery connection, unified grounding, and integrated control units, reducing system complexity, improving packaging efficiency, and enhancing serviceability compared to conventional distributed power management systems.