A power system may comprise a power system controller and a power storage. The power system controller may comprise a first pair of power terminals, a second pair of power terminals, at least one switch, and a central controller coupled to the at least one switch. The power storage may comprise storage power terminals connected to the first pair of power terminals. The second pair of power terminals may be coupled to a power source. The power system controller may be configured to control the switch to connect and disconnect the second pair of power terminals. The power system controller may be configured to receive power from the power storage during a process of connecting and disconnecting the second pair of power terminals.

A micro utility system. The micro utility system may include a portable container configured to house an energy storage system (ESS) and solar panel storage structures; a portable solar panel structure having two or more solar panels coupled to each other at one end, wherein the two or more solar panels are coupled to at least two wheels at a distal end of the portable solar panel structure; and circuitry configured to receive electrical power from the portable solar panel structure, wherein the circuitry includes a processor configured by machine-readable instructions to direct electrical energy from the portable solar panel structure or the ESS to a load.

The application discloses an automatic transfer switch and a power supply system. The automatic transfer switch includes: a first switch unit having a first end connected to a first device through a converter port, and a second end electrically connected to a power grid through a power grid port; a second switch unit having a first end connected to a second device through an electric vehicle port and a charging/discharging circuit unit, and a second end electrically connected to the second end of the first switch unit; a third switch unit, having a first end electrically connected to the power grid through the power grid port, and a second end electrically connected to a load through a load port; a sampling unit; and a control unit connected to the sampling unit.

A method includes generating a time-varying charge/discharge control signal for an electrical storage device, wherein generating the time-varying charge/discharge control signal comprises identifying a prioritization order of a stack of simultaneously operating control modes, the stack of simultaneously operating control modes including a staging mode and at least two additional control modes, each control mode of the stack comprising a plurality of control signal candidate values; identifying an intersection of one or more control signal candidate values from the plurality of control signal candidate values of each control mode of the stack according to the prioritization order; and determining, based on the prioritization order, at least one time-varying charge/discharge control signal for the electrical energy storage device from the intersection of control signal candidate values.

A multi-hybrid power generator and system that facilitate energy harvesting, generation, and storage from interchangeable power sources. The system including a plurality of battery banks; a plurality of power management devices, a plurality of battery banks; a first gearbox, a first generator, a second gearbox, a second generator, a crankshaft having a first crankshaft and a second crankshaft that allow for independent operation of one from the other, a multi-hybrid generator including a plurality of hydraulic electrical actuation devices (HEADs) for driving the first and second generators, and an intelligent power controller communicatively coupled to an electrical load and to the plurality of power management devices for selectively controlling power monitoring, power generation, power distribution and power storage between or to the plurality of battery banks, the at least one electrical load and the plurality of HEADs.

In order to output sufficient reactive power for voltage stabilization of a utility grid, and calculate an appropriate consideration according to an amount of the output reactive power, is provided a control device for controlling a distributed power source connected to the utility grid, comprising: a range setting unit where an allowable range of reactive and active powers output at normal times is set; an output control unit for controlling the reactive and active powers supplied from the distributed power source to the utility grid within the allowable range set in the range setting unit; and a reception unit for receiving, from a command device in the utility grid, an excess output command indicating that the reactive power exceeding the allowable range should be output, wherein the output control unit is for outputting the reactive power out of the allowable range when the reception unit receives the excess output command.

A wireless power transfer pad for wireless charging of a vehicle electrical storage system. The wireless power transfer pad includes an oscillating electromagnetic field generating device configured for transmitting energy to a wireless power receiver associated with the vehicle. The pad further includes a foreign object detection arrangement including a plurality of foreign object detection coils. The solar panel arrangement includes a photovoltaic substrate with a front side and a rear side, a front side electrode arrangement and a rear side electrode arrangement. The foreign object detection coils are configured to function also as the front side electrode arrangement.

An example system includes an aggregator configured to receive a service collaboration request and iteratively determine, based on minimum and maximum power values for DERs under its management, an optimized operation schedule. The aggregator may also be configured to iteratively determine, based on the optimized operation schedule, an estimated flexibility range for devices under its management and output an indication thereof. The system may also include a power management unit (PMU) configured to iteratively receive the indication and determine, based on a network model that includes the estimated flexibility range, a reconfiguration plan and an overall optimized operation schedule for the network. The PMU may also be configured to iteratively cause reconfiguration of the network based on the plan. The PMU and aggregator may also be configured to iteratively, at a fast timescale, cause energy resources under their management to modify operation based on the overall optimized operation schedule.

A low-voltage direct supply system capable of switching between solar energy and mains supply comprises: a solar and stable-voltage energy storage branch system used for providing solar power supply and charging through multiple groups of extensible solar panels and an energy storage battery pack; a mains power supply stable-switching branch system used for quickly switching to mains power supply without shocks through a mains supply conversion module and charging the energy storage battery pack; a power supply load detection and control branch system used for detecting a voltage, a charge/discharge current, and a balance between supply and demand of the energy storage battery pack and performing switching control on branch systems; and an output balance and low-voltage direct supply branch system used for performing balanced low-voltage direct supply on a load side according to a control output signal of the power supply load detection and control branch system.

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.