Abstract: The disclosure relates to a method for parameterizing a converter, in particular a converter of a wind power installation, comprising the steps of: defining an operating situation of the converter in which the converter is electrically connected to an electric machine; simulating and/or operating the converter in the operating situation; acquiring an acoustic, in particular vibroacoustic, quantity of the electric machine; and determining a parameter for the converter in consideration of the acoustic quantity for the operating situation, in particular such that the acoustic quantity is minimized.

Abstract: Provided is a control module of a converter, in particular a power converter of a wind power installation, which is configured to control the converter in such a way that the converter emulates a behavior of a synchronous machine, comprising an, in particular internal, control loop which has an, in particular adjustable, virtual admittance by means of which the converter is controlled in order to emulate the behavior of the synchronous machine.

Abstract: A wind farm, having a nominal power, for feeding electrical power into a supply network, comprising: wind power installations, a wind farm network and a stabilization unit connected to the wind farm network and arranged between the installations and the supply network. The stabilization unit increases a stability of the wind farm and comprises: an energy storage device which is set up to provide an electrical power, an intermediate circuit which is connected to the storage device and which is set up to conduct at least the electrical power provided by the storage device, an inverter connected to the intermediate circuit and set up to form at least the electrical power provided by the storage device, and a control unit set up to control at least the inverter such that the stabilization unit at the wind farm appears, statically as well as dynamically, like an electromechanical synchronous machine.

Abstract: A method for controlling a converter, preferably a generator-side active rectifier of a power converter of a wind power installation. The method includes specifying a target value for the converter, specifying a carrier signal for the converter, capturing an actual value, determining a distortion variable from the target value and the actual value and determining driver signals for the converter on the basis of the distortion variable and the carrier signal.

Abstract: A method for controlling a converter, preferably a generator-side active rectifier of a power converter of a wind power installation, comprising: specifying a target value for the converter; specifying a carrier signal for the converter; capturing an actual value; determining a distortion variable from the target value and the actual value; and determining driver signals for the converter on the basis of the distortion variable and the carrier signal.

Abstract: A method for controlling a converter, preferably a generator-side active rectifier of a power converter of a wind power installation, comprising: specifying a target value for the converter; specifying a carrier signal for the converter; capturing an actual value; determining a distortion variable from the target value and the actual value; and determining driver signals for the converter on the basis of the distortion variable and the carrier signal.

Abstract: A wind farm for supplying electrical power into a supply grid. The farm includes wind power installations, a farm grid connecting the installations, and a power flow control device. The power flow control device is configured to connect the farm grid and the supply grid such that an electrical power generated by the installations can be supplied into the supply grid. The power flow control device has at least: a DC link configured to conduct at least the electrical power generated by the installations, an electrical energy store connected to the DC link, an inverter connected to the DC link and configured to inject at least the electrical power generated by the installations into the supply grid, and a controller configured to drive the inverter in such a way that the farm, at the supply grid, in the steady state appears to be dynamic like an electromechanical synchronous machine.

Abstract: A method for controlling a multiphase separately excited synchronous generator in a wind turbine is provided. The generator has a stator and an armature having an excitation input, connected to an excitation controller, for inputting an excitation current or an excitation voltage. The stator has a stator output, connected to a rectifier, for delivering stator currents. The rectifier is controllable to control the stator currents by detecting a speed of the armature or rotor, determining a setpoint power to be delivered by the generator or the turbine based on the speed, determining an excitation current or voltage based on the detected speed and determined setpoint power, inputting the excitation current or voltage by excitation controller at the excitation input, determining the stator currents as setpoint stator currents based on the speed and the setpoint power, and controlling the rectifier to set the stator currents to the setpoint stator currents.

Abstract: Provided is a control circuit of a converter, in particular a power converter of a wind power installation, configured to control the converter in such a way that the converter emulates a behavior of a synchronous machine. The control circuit includes a power module for calculating a power change depending on a detected power and a correction module for setting a power set point, in particular for the converter, depending on the calculated power change.

Abstract: Provided is a method for controlling an active rectifier connected to a stator of a wind power installation using field-oriented control. The generator comprises a stator having an axis of rotation around which the rotor is mounted. The method includes predefining rotor-fixed d and q coordinates for at least one 3-phase stator current of the generator and determining at least one alternating component for the rotor-fixed d and/or q coordinate depending on a detected amplitude and detected phase position of an electrical power oscillation on the generator and taking account of a rotor position representing a mechanical position of the rotor in relation to the stator. The method includes adding the alternating component for the rotor-fixed d and/or q coordinate to the rotor-fixed d and/or q coordinate to form a modified d and/or q coordinate, and controlling the active rectifier at least depending on the modified d and/or q coordinate.

Abstract: A wind farm for supplying electrical power into a supply grid. The farm includes wind power installations, a farm grid connecting the installations, and a power flow control device. The power flow control device is configured to connect the farm grid and the supply grid such that an electrical power generated by the installations can be supplied into the supply grid. The power flow control device has at least: a DC link configured to conduct at least the electrical power generated by the installations, an electrical energy store connected to the DC link, an inverter connected to the DC link and configured to inject at least the electrical power generated by the installations into the supply grid, and a controller configured to drive the inverter in such a way that the farm, at the supply grid, in the steady state appears to be dynamic like an electromechanical synchronous machine.

Abstract: A wind farm, having a nominal power, for feeding electrical power into a supply network, comprising: wind power installations, a wind farm network and a stabilization unit connected to the wind farm network and arranged between the installations and the supply network. The stabilization unit increases a stability of the wind farm and comprises: an energy storage device which is set up to provide an electrical power, an intermediate circuit which is connected to the storage device and which is set up to conduct at least the electrical power provided by the storage device, an inverter connected to the intermediate circuit and set up to form at least the electrical power provided by the storage device, and a control unit set up to control at least the inverter such that the stabilization unit at the wind farm appears, statically as well as dynamically, like an electromechanical synchronous machine.

Abstract: A method for feeding electrical power into a three phase electrical power supply network at a network connection point, in particular by means of a wind power installation, using an inverter, comprising the following steps: detecting an electrical network voltage, in particular at the network connection point, determining a virtual generator voltage using a machine model that emulates a behavior of a synchronous machine, preparing the detected network voltage for comparison with the virtual genera-tor voltage, predefining a setpoint current as predefinition for an infeed current as a function of the virtual generator voltage and as a function of the network voltage prepared for comparison, and generating the infeed current depending on the setpoint current and feeding the generated infeed current at the network connection point into the electrical power supply network, wherein preparing the detected network voltage for comparison with the virtual generator voltage comprises transforming the detected network v

Abstract: Provided is a control circuit of a converter, in particular a power converter of a wind power installation, configured to control the converter in such a way that the converter emulates a behavior of a synchronous machine. The control circuit includes a power module for calculating a power change depending on a detected power and a correction module for setting a power set point, in particular for the converter, depending on the calculated power change.

Abstract: Provided is a control module of a converter, in particular a power converter of a wind power installation, which is configured to control the converter in such a way that the converter emulates a behavior of a synchronous machine, comprising an, in particular internal, control loop which has an, in particular adjustable, virtual admittance by means of which the converter is controlled in order to emulate the behavior of the synchronous machine.

Abstract: A method for controlling a multiphase separately excited synchronous generator in a wind turbine is provided. The generator has a stator and an armature having an excitation input, connected to an excitation controller, for inputting an excitation current or an excitation voltage. The stator has a stator output, connected to a rectifier, for delivering stator currents. The rectifier is controllable to control the stator currents by detecting a speed of the armature or rotor, determining a setpoint power to be delivered by the generator or the turbine based on the speed, determining an excitation current or voltage based on the detected speed and determined setpoint power, inputting the excitation current or voltage by excitation controller at the excitation input, determining the stator currents as setpoint stator currents based on the speed and the setpoint power, and controlling the rectifier to set the stator currents to the setpoint stator currents.

Abstract: A method for feeding electrical power into a three phase electrical power supply network at a network connection point, in particular by means of a wind power installation, using an inverter, comprising the following steps: detecting an electrical network voltage, in particular at the network connection point, determining a virtual generator voltage using a machine model that emulates a behavior of a synchronous machine, preparing the detected network voltage for comparison with the virtual genera-tor voltage, predefining a setpoint current as predefinition for an infeed current as a function of the virtual generator voltage and as a function of the network voltage prepared for comparison, and generating the infeed current depending on the setpoint current and feeding the generated infeed current at the network connection point into the electrical power supply network, wherein preparing the detected network voltage for comparison with the virtual generator voltage comprises transforming the detected network v

Abstract: Disclosed is a communications control bus. The bus comprises an IMB slave CPU, at least two registers, and a three bit data connector, which connects the two registers. The connector permits transmission of a three bit data signal between the two registers. A network interconnects the two registers and the IMB slave CPU.

Abstract: Disclosed is a communications control bus. The bus comprises an IMB slave CPU, at least two registers, and a three bit data connector, which connects the two registers. The connector permits transmission of a three bit data signal between the two registers. A network interconnects the two registers and the IMB slave CPU.