-
1.发明公开公开(公告)号：US20240014753A1
公开(公告)日：2024-01-11
申请号：US18040640
申请日：2021-08-03
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Torsten LUND , Hamid SOLTANI , Gert Karmisholt ANDERSEN , Germán Claudio TARNOWSKI
CPC classification number: H02P9/04 , H02P9/107 , H02P2101/15
Abstract: Aspects of the present invention relate to a method for reducing high torque levels and/or high rates of change of torque in a wind turbine generator that comprises a machine-side converter and a line-side converter connected by a DC link, and, wherein the line-side converter is operated according to a virtual synchronous machine control scheme. The method comprises: determining a generator torque; determining a torque surplus indicating the amount that the generator torque exceeds a torque limit; determining an active power surplus corresponding to the torque surplus; controlling the line-side converter according to the virtual synchronous machine control scheme using an input parameter configured to reduce the active power output of the line side converter by the active power surplus.
-
公开(公告)号：US20220149627A1
公开(公告)日：2022-05-12
申请号：US17434952
申请日：2020-02-06
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Federico Rueda LONDONO , Germán Claudio TARNOWSKI
Abstract: The present invention relates to a method for operating a power plant comprising a plurality of power producing units, the power plant being operatively connected to an associated power grid having a nominal grid frequency, the method comprising the steps of determining grid frequency variations of the associated power grid, and providing, in response to the determined grid frequency variations, an active power set-point to each of the plurality of power producing units, said active power set-point causing each of the plurality of power producing units to produce active power in response to said active power set-point, said produced active power comprising, in a frequency domain, one or more active power frequency components being different from one or more undesired frequency modes. The present invention also relates to a power plant controller for performing the method.
-
公开(公告)号：US20240247639A1
公开(公告)日：2024-07-25
申请号：US18566574
申请日：2022-06-01
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Lennart PETERSEN , Germán Claudio TARNOWSKI , Mark FABER , Poul Brandt CHRISTENSEN
CPC classification number: F03D7/0284 , F03D7/048 , H02J3/24 , H02K7/183 , F05B2220/706 , F05B2270/337
Abstract: A method is provided for controlling power oscillations at a point of common coupling in a wind park. Individual power reference offsets defining an adjustment to a wind turbine power reference signal for counteracting mechanical oscillations in the respective wind turbines are received from respective wind turbine controllers. Based on an aggregated power reference offset, a total power oscillation compensation signal is determined. Individual power oscillation compensation signals for adjusting the wind turbine power reference signal of respective wind turbines are determined based on the individual power reference offsets and the total power oscillation compensation signal. These individual power oscillation compensation signals are then sent to the respective wind turbines.
-
4.发明申请公开(公告)号：US20190331092A9
公开(公告)日：2019-10-31
申请号：US15654354
申请日：2017-07-19
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Germán Claudio TARNOWSKI
Abstract: Systems, methods, and computer program products for providing an inertial response by a wind power system to power fluctuations in an electrical grid. The system includes a synthetic inertial response generator configured to generate a power offset in response to fluctuations in grid voltage. The power offset signal is generated by determining a quadrature component the grid voltage using an internal reference voltage having an angular frequency and phase angle that is synchronized to the electrical grid by a control loop. The quadrature component is used to determine a synchronous power level. A control loop error signal is produced by the difference between the synchronous power level and the wind turbine system power output. Changes in the grid frequency produce an error signal that is added to the power set point of wind turbine system output controllers to provide a power system inertial power output response.
-
Patent Agency Ranking
5.发明申请POWER PLANT & ENERGY STORAGE SYSTEM FOR PROVISION OF GRID ANCILLARY SERVICES 有权用于提供网络安全服务的电力设备和能源存储系统公开(公告)号：US20150381089A1
公开(公告)日：2015-12-31
申请号：US14765468
申请日：2013-02-07
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Germán Claudio TARNOWSKI , Philip Carne KJÆR , Rasmus LÆRKE , Florin IOV , Remus TEODORESCU , Andrzej ADAMCZYK
CPC classification number: H02P9/14 , F03D7/0284 , F03D7/045 , F03D9/11 , F05B2270/337 , F05B2270/404 , H02J3/24 , H02J3/28 , H02J3/38 , H02J3/386 , Y02E10/723 , Y02E10/763 , Y02E10/766 , Y02E70/30 , Y02P90/50
Abstract: The present invention relates to method for operating a power plant, with at least one wind turbine generator arranged for supplying power to an electrical grid, at least one energy storage device arranged for supplying power to the electrical grid, and a power plant controller, the method comprises, measuring repetitively measurement sets of at least one electrical parameter from the electrical grid, and calculating, in respect the measurement sets of the at least one electrical parameter, a change in active and/or a required change in reactive power at a point of common coupling, and calculating and dispatching of a first control reference signal to the at least one wind turbine generator and a second control reference signal to the at least one energy storage device, for providing ancillary service functionalities to the electrical grid. The invention also relates to a power plant with at least one wind turbine generator for supplying power to an electrical grid, at least one energy storage device for supplying power to the electrical grid, and a power plant controller for providing ancillary service functionalities to the electrical grid.
Abstract translation: 本发明涉及一种用于操作发电厂的方法，其中至少一个风力涡轮发电机被布置用于向电网供电，至少一个能够存储供电电力的能量存储装置，以及发电厂控制器， 方法包括：重复地测量来自电网的至少一个电参数的测量集合，并且对于至少一个电参数的测量集合，计算在一个点处的有功和/或无功功率的所需变化 以及向所述至少一个风力涡轮发电机计算和调度第一控制参考信号，以及向所述至少一个能量存储装置计算和调度第二控制参考信号，以向所述电网提供辅助服务功能。 本发明还涉及具有至少一个用于向电网供电的风力涡轮发电机的发电厂，用于向电网供电的至少一个能量存储装置，以及用于向电力系统提供辅助服务功能的发电厂控制器 格。
-
公开(公告)号：US20230344231A1
公开(公告)日：2023-10-26
申请号：US18305055
申请日：2023-04-21
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Per Hagen NIELSEN , Lennart PETERSEN , Germán Claudio TARNOWSKI
Abstract: A method for detecting power oscillation in an electric power grid, wherein the method comprises: integrating a filtered signal on a first interval, the filtered signal being associated with the electric power grid; based on the integration of the filtered signal on the first interval, determining a positive half-period area of the filtered signal and a negative half-period area of the filtered signal, one of the positive half-period area and negative half-period area being immediately subsequent to the other one; and determining that a power oscillation in the electric power grid is detected if the following two conditions are met:
a sum of the positive half-period area of the filtered signal and the negative half-period area of the filtered signal is below a first threshold; and
the absolute value of one of the positive half-period area and negative half-period area is above a second threshold.-
公开(公告)号：US20230178988A1
公开(公告)日：2023-06-08
申请号：US17923856
申请日：2021-05-06
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Torsten LUND , Germán Claudio TARNOWSKI , John Godsk NIELSEN , Per Hagen NIELSEN
CPC classification number: H02J3/18 , H02J3/381 , H02J3/24 , H02J2300/28
Abstract: Aspects of the present invention relate to a method of voltage control for at least one wind turbine generator configured to absorb and supply reactive power on demand, the method comprises: receiving a dispatch signal from a power plant controller indicating a reactive power set point; determining a terminal voltage level of the at least one wind turbine generator; generating a reactive power correction value based on a deviation of the terminal voltage level from a voltage set point; adjusting the reactive power set point by the reactive power correction value; and controlling the at least one wind turbine generator according to the adjusted reactive power set point.
-
公开(公告)号：US20210172419A1
公开(公告)日：2021-06-10
申请号：US16954084
申请日：2018-11-08
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Julio Xavier Vianna NETO , Germán Claudio TARNOWSKI , Mads BLUMENSAAT , Torben PETERSEN , Søren DALSGAARD
Abstract: A method for controlling a wind turbine is disclosed. During full load operation, a power reference value, Pref, representing a power level to be supplied to the power grid by the wind turbine, is received, and the wind turbine is controlled in order to produce an output power which is at or near the power reference value, Pref, while maintaining a constant torque on the generator. In the case that the produced output power of the wind turbine exceeds the power reference value, Pref, excess produced energy is stored in the energy storage system, and in the case that the produced output power of the wind turbine is below the power reference value, Pref, stored energy is retrieved from the energy storage system. A power level being equal to the power reference value, Pref, is supplied to the power grid.
-
9.发明申请公开(公告)号：US20190024634A1
公开(公告)日：2019-01-24
申请号：US15654354
申请日：2017-07-19
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Germán Claudio TARNOWSKI
Abstract: Systems, methods, and computer program products for providing an inertial response by a wind power system to power fluctuations in an electrical grid. The system includes a synthetic inertial response generator configured to generate a power offset in response to fluctuations in grid voltage. The power offset signal is generated by determining a quadrature component the grid voltage using an internal reference voltage having an angular frequency and phase angle that is synchronized to the electrical grid by a control loop. The quadrature component is used to determine a synchronous power level. A control loop error signal is produced by the difference between the synchronous power level and the wind turbine system power output. Changes in the grid frequency produce an error signal that is added to the power set point of wind turbine system output controllers to provide a power system inertial power output response.
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.017 seconds)
