H02J2300/28

METHOD FOR OPERATING AN ELECTRICAL STORAGE STATION
20220329069 · 2022-10-13 ·

Provided is a method for operating an electrical storage station on an electrical supply network. The network has electrical consumers, the storage station, and at least one wind power installation to generate electrical power from wind. The method includes generating electrical power by way of the installation as generated wind power, and feeding a feed-in power into the network. The electrical feed-in power at least results from the generated wind power and a storage power taken up or output by the storage station. The feeding of the feed-in power into the network is controlled depending on a station state of charge and a wind and/or power forecast. Changes in the feed-in power over time are controlled depending on the wind and/or power forecast and a limit gradient is specified to limit the changes in the feed-in power thereto. The limit gradient is specified depending on the wind and/or power forecast.

ELECTROMAGNETIC COMPATIBILITY FILTER OF A WIND POWER INSTALLATION
20230065991 · 2023-03-02 ·

Provided is a filter arrangement for a converter module, in particular for a power converter module of a wind power installation, comprising: a magnetic core, which is ring-shaped or tubular, with an opening, and is made of at least one ferro- or ferrimagnetic material, wherein the magnetic core is configured to receive at least a first phase of the converter module and a first conductor of a DC voltage for the converter module through the opening in such a way that the magnetic core forms a choke for the converter module and a choke for the DC voltage.

METHOD FOR OPTIMIZING DISPATCHING OF CHARGING LOADS OF ELECTRIC VEHICLES TO PROMOTE WIND POWER CONSUMPTION

A method for optimizing dispatching of charging loads of electric vehicles to promote wind power consumption includes: acquiring blocked electric quantity of wind power at a peak down-regulation period; acquiring a curve of disorderly charging loads of the electric vehicles; establishing a model for optimizing the charging loads of the electric vehicles to promote wind power consumption, wherein an objective function of the model refers to that the electric vehicles participate in wind power consumption to minimize the remaining blocked quantity of the wind power, and the total charging cost of the electric vehicles is lowest, and acquiring constraint conditions of the model; and solving the optimization model by adopting an adaptive mutation particle swarm optimization algorithm, to obtain the target charging/discharging electric quantity and the target charging/discharging power of the electric vehicles.

TARGET FUNCTION PRIORITIZATION OF CONTROL MODES FOR RENEWABLE ELECTRIC GENERATION RESOURCE AND CHARGE STORAGE DEVICE

The present disclosure describes a method of operating a power plant, comprising: obtaining an energy production forecast for a forecast period; generating a plurality of simulation results associated with simulated operation of the power plant for the forecast period, wherein the plurality of simulation results are generated by simulating operation of the power plant using a plurality of control algorithms; assigning a score to each of the plurality of control algorithms based on the generated plurality of simulation results; selecting a control algorithm from the plurality of control algorithms for the forecast period based on the assigned score for the control algorithm; and operating the power plant in accordance with the control algorithm for a duration of the forecast period.

Method for damping harmonics
11631976 · 2023-04-18 · ·

Harmonics of a power output of a power plant at a point of common coupling between the power plant and a utility grid, wherein the power plant comprises a plurality of energy production units. The method comprises determining an electrical characteristic at the point of common coupling; determining the electrical characteristic at an output terminal of each of the energy production units and dispatching a control signal to at least one of the energy production units to control the electrical characteristic at an output terminal of the respective energy production units. The control signal is based on the measurement of the electrical characteristic at the point of common coupling and arranged for damping the harmonic of the power output of the power plant at the point of common coupling, wherein the control signal is determined on the basis of a predetermined prioritizing sequence of said electrical characteristic.

POWER SWITCHING VIA ARC SCHEMATIC
20220329099 · 2022-10-13 ·

Provided is a system and method for visualizing power components on a power grid via an arc diagram. The arc diagram can be an interactive diagram that enables an operator to perform a switching operation via the arc diagram. In one example, the method may include storing power measurements from a power grid and geographical topology data of devices on the power grid via a memory device, generating and displaying an arc diagram based on the geographical topology data, where the arc diagram comprises a plurality of nodes corresponding to a plurality of devices on the power grid which are arranged along a horizontal axis in the arc diagram, and arranging arc-shaped structures between the plurality of nodes on the horizontal axis based on the power measurements, where the arc-shaped structures represent power flows between the plurality of devices.

System and method for providing grid-forming control of an inverter-based resource

A method for providing grid-forming control of an inverter-based resource includes monitoring the electrical grid for one or more grid events. The method also includes controlling, via a power regulator of a controller, an active power of the inverter-based resource based on whether the one or more grid events is indicative of a severe grid event. In particular, when the one or more grid events are below a severe grid event threshold, thereby indicating the one or more grid events is not a severe grid event, the method includes controlling, via the power regulator, the active power according to a normal operating mode. Further, when the one or more grid events exceed the severe grid event threshold, thereby indicating the one or more grid events is a severe grid event, the method includes controlling, via the power regulator, the active power according to a modified operating mode. Moreover, the modified operating mode includes temporarily re-configuring the power regulator to reduce or eliminate power overloads induced by the severe grid event for as long as the one or more grid events exceed the severe grid event threshold.

Micro inverter and controller
11664663 · 2023-05-30 · ·

A self-contained, all-in-one MPPT controller and micro-inverter that can be connected directly to the load (that can be on or off grid) using a standard power socket or to the load center, feeding energy to the grid generated by different kind of sources, including wind turbines, solar panels, hydro generators or gas generators, and that also controls a storage device to be used to reduce peak consumptions or as a back up solution.

Power electronics assembly having a potted high voltage attenuator card for a wind turbine

A power electronics assembly for a power generation system includes a housing and an attenuator card positioned within the housing. The attenuator card may include at least one printed circuit board for a high-voltage attenuator circuit. The power electronics assembly also includes a potting material at least partially filling the housing on one or more sides of the attenuator card, a detachable end cap positioned at a first end of the housing, and multi-phase wiring communicatively coupled to the high-voltage attenuator circuit through the end cap.

Adaptive controller for forced oscillation suppression in the grid

A control system and method for an inverter-based resource device provided in a synchronous power grid. The control system includes at least one inverter based resource device connected to an electrical power system, and a controller module. The inverter based resource device includes a reference power Pref, a combination module and a transfer function. The inverter based resource device injects modulated power into the power system. The power system (which is represented by a transfer function in the control system) receives an undesirable forced oscillation, which is connected to a measuring device. A controller module processes the measured output and provides a control signal to the inverter based resource device. The controller is arranged to suppress a forced oscillation detected in the power system.