公开(公告)号：US12116985B2

公开(公告)日：2024-10-15

申请号：US17922413

申请日：2021-04-22

申请人： VESTAS WIND SYSTEMS A/S

发明人： Torsten Lund ,  John Godsk Nielsen ,  Gert Karmisholt Andersen ,  Kouroush Nayebi ,  Poul Brandt Christensen ,  Germán Claudio Tarnowski ,  Esmaeil Ebrahimzadehveshareh

IPC分类号： F03D9/00 ,  F03D9/11 ,  F03D9/25 ,  H02P9/10 ,  H02J3/32 ,  H02J7/00 ,  H02P101/15 ,  H02P103/20

CPC分类号： F03D9/11 ,  F03D9/255 ,  H02P9/105 ,  F05B2270/1033 ,  H02J3/32 ,  H02J7/00712 ,  H02J2207/20 ,  H02J2207/50 ,  H02J2300/28 ,  H02P2101/15 ,  H02P2103/20

摘要： The invention relates to a method for controlling power generation of a VSM wind turbine. The wind turbine comprises a machine side converter, a line side converter, a DC link, and an electric storage device electrically connected to the DC link. The method comprises determining a first power control signal to the machine side converter, determining a second power control signal for controlling a desired output power of the line side converter based on a storage device voltage error, and a power production reference, and determining a charging current reference for controlling charging and discharging of the electric storage device based on a DC-link voltage error.

公开(公告)号：US11923800B2

公开(公告)日：2024-03-05

申请号：US17738631

申请日：2022-05-06

申请人： Hamilton Sundstrand Corporation

发明人： Dhaval S. Patel ,  Adrian E. Vandergrift ,  Sunil S. Patel

IPC分类号： H02M7/04 ,  H02P9/48 ,  H02P101/30 ,  H02P103/20

CPC分类号： H02P9/48 ,  H02P2101/30 ,  H02P2103/20

摘要： A system includes a generator control unit (GCU). The GCU includes a saturable reactor and a rectifier. Each of the saturable reactor and the rectifier has a separate input to receive AC power from a separate respective permanent magnet generator (PMG). A method includes supplying AC power from a first permanent magnet generator (PMG) of a generator to a saturable reactor of a generator control unit (GCU) that is operatively connected to control the generator. The method includes supplying AC power from a second PMG to a rectifier of the GCU, wherein the first PMG supplies a lower AC voltage to the saturable reactor than the second PMG supplies to the rectifier.

公开(公告)号：US11827109B2

公开(公告)日：2023-11-28

申请号：US17608389

申请日：2020-03-19

申请人： RICARDO UK LIMITED

发明人： Raymond Coles ,  Ozge Taskin

IPC分类号： H02P1/46 ,  B60L50/61 ,  H02P23/30 ,  H02P25/08 ,  H02K1/276 ,  H02K7/00 ,  H02K7/02 ,  H02P101/45 ,  H02P103/20

CPC分类号： B60L50/61 ,  H02K1/2773 ,  H02K7/006 ,  H02K7/025 ,  H02P23/30 ,  H02P25/0805 ,  B60L2220/14 ,  B60L2220/18 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/443 ,  H02P2101/45 ,  H02P2103/20

摘要： A method of operating an electric or hybrid system comprising a synchronous reluctance electric motor coupled to an electric or hybrid powertrain is described herein. The method comprises determining (i) a torque demand required of the electric motor and (ii) a speed of rotation of the rotor of the electric motor, and storing kinetic energy in a rotor of the electric motor from the powertrain in response to at least one of (i) the determined torque demand falling below a selected torque demand threshold and (ii) the speed of the rotor being below a selected rotor speed threshold. The method further comprises operating the electric motor by powering the electric motor with electricity to deliver energy to the powertrain in response to at least one of: (i) the determined torque demand rising above a selected torque demand threshold and (ii) the speed of the rotor falling below a selected rotor speed threshold.

公开(公告)号：US10914776B2

公开(公告)日：2021-02-09

申请号：US16073727

申请日：2016-11-22

申请人： Robert Bosch GmbH

发明人： Manuel Mueller ,  Sebastian Paulus ,  Zoltan Ersek

IPC分类号： G01R31/00 ,  G01R31/34 ,  B60L3/00 ,  G01R31/42 ,  H02P29/024 ,  B60L3/12 ,  G01R31/50 ,  H02P9/00 ,  H02P101/45 ,  H02P103/20 ,  H02P9/48

摘要： The invention relates to a method for detecting an error in a generator unit which has an electric machine (100) with a rotor winding (110), a stator winding (120), and a rectifier (130) connected thereto, via which the electric machine (100) is connected to an onboard electrical system (150) of a motor vehicle, wherein a voltage of the onboard electrical system (150) is controlled to a target value via an excitation current (IE) through the rotor winding (110) of the electric machine (100), and a curve of a phase voltage (Uy) of the stator winding (120) is monitored, wherein an error in the generator unit is inferred when a change of the phase voltage (Uy) is detected and a voltage of the onboard electrical system (150) changing within a threshold value range (S) is detected.

公开(公告)号：US10122306B2

公开(公告)日：2018-11-06

申请号：US15453350

申请日：2017-03-08

申请人： Hamilton Sundstrand Corporation

发明人： Gregory I. Rozman ,  Steven J. Moss ,  Jacek F. Gieras

IPC分类号： H02P9/00 ,  H02P103/20

摘要： An electric power generating system (EPGS) may comprise a permanent magnet generator (PMG) comprising a rotor comprising a permanent magnet and a stator comprising a first armature winding configured to output a first three-phase voltage, and a second armature winding configured to output a second three-phase voltage. The EPGS may further comprise a passive rectifier configured to rectify the first three-phase voltage, an active rectifier configured to rectify the second three-phase voltage, and an active rectifier controller, wherein the active rectifier is controllable in response to a current reference received by the active rectifier controller. An EPGS may comprise a tunable notch filter configured to filter a first DC voltage and/or a DC output voltage, in accordance with various embodiments.

公开(公告)号：US11677345B2

公开(公告)日：2023-06-13

申请号：US17757294

申请日：2020-06-08

申请人： XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD.

发明人： Jie Zhou ,  Yuanyan Huang ,  Chengzhi Qin ,  Shaohua Zhang ,  Xin Chen

IPC分类号： H02P9/10 ,  F03D7/02 ,  H02P101/15 ,  H02P103/20

CPC分类号： H02P9/105 ,  F03D7/028 ,  F05B2270/1033 ,  H02P2101/15 ,  H02P2103/20

摘要： The present application provides a method and a system for controlling continuous high voltage ride-through and low voltage ride-through of a permanent magnet direct-driven wind turbine. The method includes: determining a transient time period during which the wind turbine is transitioned from a high voltage ride-through state to a low voltage ride-through state; controlling the wind turbine to provide, during the transient time period, a gradually increasing active current to the point of common coupling; and controlling the wind turbine to provide, during the transient time period, a reactive current to the point of common coupling according to an operation state of the wind turbine before the high voltage ride-through state.

公开(公告)号：US11616460B1

公开(公告)日：2023-03-28

申请号：US17674369

申请日：2022-02-17

申请人： GUIZHOU UNIVERSITY

发明人： Shaohua Luo ,  Shaobo Li ,  Junyang Li ,  Guanci Yang ,  Junxing Zhang

IPC分类号： H02P21/00 ,  H02P21/14 ,  H02J3/38 ,  H02P101/15 ,  H02P103/20

摘要： A fuzzy finite-time optimal synchronization control method for a fractional-order permanent magnet synchronous generator, and belongs to the technical field of generators. A synchronization model between fractional-order driving and driven permanent magnet synchronous generators with capacitance-resistance coupling is established. The dynamic analysis fully reveals that the system has rich dynamic behaviors including chaotic oscillation, and a numerical method provides stability and instability boundaries. Then, under the framework of a fractional-order backstepping control theory, a fuzzy finite-time optimal synchronous control scheme which integrates a hierarchical type-2 fuzzy neural network, a finite-time command filter and a finite-time prescribed performance function is provided.

公开(公告)号：US11601082B2

公开(公告)日：2023-03-07

申请号：US17280422

申请日：2019-06-21

申请人： HITACHI, LTD.

发明人： Akeshi Takahashi ,  Shinji Sugimoto ,  Kazuo Nishihama

IPC分类号： H02P5/00 ,  H02P25/18 ,  H02P25/22 ,  H02P25/24 ,  H02P27/06 ,  H02P101/45 ,  H02P103/20

摘要： A rotary machine driving system includes: a rotary machine including a plurality of coils; an inverter device configured to operate the rotary machine at a variable speed, including a control device for controlling power conversion by an inverter circuit, and a coil switching device for switching a connection of the coils according to the control device. The control device commands the coil switching device to switch the connection of the coils when rotation of the rotary machine transitions between a low-speed rotation range and a high-speed rotation range due to acceleration and deceleration. A starting end and a terminal end of at least one set of coils per phase of the rotary machine are drawn out in a freely connectable state. The coil switching device includes at least one movable portion driven by one actuator.

公开(公告)号：US11585320B2

公开(公告)日：2023-02-21

申请号：US16642345

申请日：2018-08-27

申请人： Wobben Properties GmbH

发明人： Roberto Rosso ,  Jair Cassoli ,  Sönke Engelken ,  Amgad Eldeib

IPC分类号： F03D7/00 ,  F03D7/02 ,  H02P101/15 ,  H02P103/20 ,  H02P21/22

摘要： 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.

公开(公告)号：US20170373561A1

公开(公告)日：2017-12-28

申请号：US15544824

申请日：2016-01-14

申请人： Energihuset Försäljnings AB Hardy Hollingworth

发明人： Hardy Hollingworth

IPC分类号： H02K7/18 ,  H02P9/04 ,  F25B11/02 ,  F25B30/02 ,  H02P103/20

CPC分类号： H02K7/1892 ,  F01K7/00 ,  F01K27/00 ,  F25B6/02 ,  F25B11/02 ,  F25B30/02 ,  F25B2339/047 ,  F25B2400/141 ,  H02K7/1884 ,  H02P9/04 ,  H02P2103/20

摘要： A converting device arranged to transfer thermodynamic energy of a compressed working fluid into electrical energy. The converting unit is comprised of at least one cylinder which encloses a piston. In an embodiment, said at least one piston is provided with a magnetic portion. A ferromagnetic coil surrounds the piston and is integrated with the cylinder. As the piston moves through the coil, electrical energy is generated.