H02J2300/28

EMERGENCY SHED
20220399749 · 2022-12-15 · ·

Disclosed is an all-in-one emergency shed that can supply electricity and potable drinkable water during an emergency when electrical grid power is not available and water sources may be contaminated. The emergency shed can use battery banks from electric cars to store electrical energy for emergencies and can store electrical energy in electric car battery banks that are charged during off-peak times and resold to the utility company during peak demand periods.

HYBRID ELECTRIC FUEL CELL POWER PLANT
20220399740 · 2022-12-15 ·

A process, system or method of multiple permanent magnet motor generators chained together through a rotating magnetic field powered primarily by rechargeable battery system. A permanent magnet motor generator prime mover will initiate the rotations of the individual permanent magnet motor generator positioned in parallel with each other in a magnetic field gap to form a rotating magnetic field chain and generate a much higher electricity output wattage. In another embodiment is a series of induction and or synchronous independently generators power plant powered by a combination of wind, solar, alternator and AC outlet battery chargers. Both embodiments use a multisource power system to charge batteries coming from wind, solar, alternators and AC grid outlet. The process produces a safe, cheap and zero carbon emission footprint at reduced cost for power plants and other industrial applications.

Distributed energy conversion systems

A distributed energy conversion system may include one or more DC power sources and two or more inverters to convert DC power from the power sources to AC power. The AC power from the two or more inverters may be combined to provide a single AC output. A module may include one or more photovoltaic cells and two or more inverters. An integrated circuit may include power electronics to convert DC input power to AC output power and processing circuitry to control the power electronics. The AC output power may be synchronized with an AC power distribution system.

Power ramp rate control

Regulating a power ramp rate of a wind park at a point of common coupling (PCC) between the wind park and a utility grid. The method comprises receiving a power reference for the wind park; determining the power ramp rate of the wind park as a function of the power output of each individual wind turbine in the park, wherein the power ramp rate of the wind park is based on the power ramp rates of the individual wind turbines and determining a corresponding plurality of power set-points for each wind turbine based on the power ramp rates and power reference. The corresponding plurality of power set-points is dispatched to the plurality of wind turbines for regulating the power ramp rate of the wind park in dependency of the power ramp rates of the plurality of wind turbines.

Method for supporting an electrical supply grid by means of one or more wind turbines
11527893 · 2022-12-13 · ·

A method for assisting control of an electrical supply grid) or a portion thereof is provided. The method includes recording system states of the grid and/or influencing the grid, transmitting the states to a central evaluation and/or control unit and/or between other subscribers, including wind turbines and/or wind farms that supply the grid, for use in controlling their supply to the grid. The method includes controlling the grid on the basis of the transmitted states. Fundamentally identical states are simultaneously recorded at multiple recording locations associated with the grid and the recording of at least one of the states at a respective recording location is performed by a turbine and/or farm and the turbine or farm recording a state at one recording location and the turbine or farm recording a state at another recording location are independent at least such that they supply to the grid at different points.

Method for feeding electrical power into an electrical supply network
11527890 · 2022-12-13 · ·

A method for feeding electric power into an electrical supply grid by means of a local feed unit. The feed unit is connected to a grid link point connected to a transformer point directly or via a supply connection. The transformer point is connected to a grid section via a transformer. The method includes feeding electrical real power into the electrical supply grid at the grid link point, feeding electrical reactive power into the electrical supply grid at the grid link point, detecting a change to be made in the real power to be fed in, and changing the fed-in real power in accordance with the detected change to be made. The method includes limiting a change in the fed-in reactive power over time when changing the fed-in real power and/or immediately thereafter or temporarily activating voltage control on the basis of the change in the fed-in real power.

OFFSHORE WIND FARM LOW-FREQUENCY ALTERNATING-CURRENT UNCONTROLLED RECTIFICATION ELECTRIC POWER TRANSMISSION SYSTEM
20220393473 · 2022-12-08 ·

The present disclosure discloses an offshore wind farm low-frequency alternating-current uncontrolled rectification electric power transmission system, comprising an onshore converter station and an offshore alternating-current system. The offshore alternating-current system comprises wind turbine generators, alternating-current submarine cables, a confluence bus, and offshore booster stations; the onshore converter station comprises a wind field side alternating-current bus, an alternating-current system side alternating-current bus, an alternating-current filter, an energy dissipation device, a rectifier, and a converter; the rectifier is composed of a three-phase six-pulse uncontrolled rectifier bridge, and the converter may be an MMC or an LCC; the rated frequency of the offshore alternating-current system is selected to be close to 10 Hz.

METHOD OF CONTROLLING A WIND POWER PLANT
20220393466 · 2022-12-08 ·

A method of controlling a wind power plant including an energy storage device, the wind power plant being connected to a power grid and comprising one or more wind turbine generators that produce electrical power for delivery to the power grid, the method comprising: processing input data related to one or more inputs to the wind power plant to determine a probability forecast for each input; and controlling charging and discharging of the energy storage device in accordance with each probability forecast and a prescribed probability of violating one or more grid requirements.

AUXILIARY POWER SYSTEM CONTROL IN HYBRID POWER PLANTS
20220393477 · 2022-12-08 ·

According to embodiments described herein control of the auxiliary power system in a hybrid power plant is provided by determining a grid-draw threshold from an external power grid; monitoring power consumption for powered systems of the hybrid power plant; monitoring power generation of the hybrid power plant; discharging an alternative power source of one or more of an Energy Storage System (ESS) and an auxiliary generator in response to the power consumption exceeding the grid-draw threshold; and implementing prediction algorithms for power generation of the hybrid power plant and the power consumption. Accordingly, a source of power is managed between several alternative sources and the external power grid to meet plant operator defined criteria when maintaining power in various wind speed conditions.

SYSTEMS AND METHODS FOR CONTROL OF POWER GENERATION ASSETS

A control system for a power production facility is provided. The control system includes a plurality of power generating assets configured to supply power to a power grid. The control system further includes a controller coupled in communication with the plurality of power generating assets. The controller is configured to receive at least one feedback value corresponding to a feedback parameter. The at least one feedback value represents a measured value associated with the power grid. The control system is further configured to determine, based on the received at least one feedback value, to operate in one of a closed-loop mode or an open-loop mode of control.