公开(公告)号：EP3396830A1

公开(公告)日：2018-10-31

申请号：EP18151815.0

申请日：2018-01-16

申请人： LG Electronics Inc.

发明人： NAM, Hansung ,  LEE, Wonwoo

IPC分类号： H02M1/08 ,  H02M7/5387

CPC分类号： H02M1/44 ,  F25B49/02 ,  H02M1/08 ,  H02M7/48 ,  H02M7/5387 ,  H02P9/44 ,  H02P21/22 ,  H03H7/09 ,  H03K17/161

摘要： A power conversion apparatus capable of improving an EMI characteristic and an air conditioner including the same are disclosed. The power conversion apparatus includes an inverter including a plurality of switching elements corresponding to three phases, a gate driver configured to drive the switching elements of the inverter, and a noise reducer connected to the gate driver and configured to set switching noise occurrence times caused by the switching elements in the respective phases to be different.

公开(公告)号：EP3376627A1

公开(公告)日：2018-09-19

申请号：EP17160732.8

申请日：2017-03-14

申请人： ABB Schweiz AG

发明人： TUCKEY, Andrew ,  WALTON, Simon

IPC分类号： H02J3/38

CPC分类号： H02P9/14 ,  H02J3/38 ,  H02P9/02 ,  H02P9/44

摘要： The present disclosure relates to a method of controlling a power converter (17), connected to an electrical grid, to mimic a synchronous generator, wherein the method comprises: determining a frequency control error with respect to a setpoint frequency (f set ) and an actual frequency (f act ) of the electrical grid, determining an input power to an inertia model of a synchronous generator based on the frequency control error, which inertia model mimics the inertia of a synchronous generator, regulating by means of the input power a rotational frequency (f) of the inertia model, determining a voltage control error with respect to a setpoint voltage (U set ) and an actual voltage (U act ) output by the power converter (17), determining an exciter parameter of a synchronous generator model based on the voltage control error, regulating by means of the exciter parameter an output voltage (U) of the synchronous generator model, and controlling the power converter (17) based on the rotational frequency (f) and on the output voltage (U).

公开(公告)号：EP2761172B1

公开(公告)日：2017-01-11

申请号：EP12778222.5

申请日：2012-09-28

申请人： Vestas Wind Systems A/S

发明人： SAHUKARI, Sridhar ,  NAYEBI, Kouroush ,  MAYER, Peter Frederick

IPC分类号： F03D7/04 ,  F03D9/00 ,  H02J3/38 ,  H02J3/12

CPC分类号： F03D7/028 ,  F03D7/047 ,  F03D7/048 ,  F03D9/257 ,  H02J3/12 ,  H02J3/386 ,  H02P9/44 ,  Y02E10/723 ,  Y02E10/763

公开(公告)号：EP2872794A4

公开(公告)日：2016-03-30

申请号：EP13819387

申请日：2013-05-17

申请人： SUNPOWER INC

发明人： HOLLIDAY EZEKIEL S

IPC分类号： F16F15/02 ,  F02G1/043 ,  F02G1/045 ,  G05D19/02 ,  H02P9/00 ,  H02P9/02 ,  H02P9/44

CPC分类号： H02P9/02 ,  F02G1/043 ,  F02G2280/10 ,  G05D19/02 ,  H02P9/008 ,  H02P9/44 ,  H02P2101/45

公开(公告)号：EP2875566A1

公开(公告)日：2015-05-27

申请号：EP12737785.1

申请日：2012-07-17

申请人： CATERPILLAR (NI) LIMITED

发明人： COOPER, Alan ,  CHAMBERS, Keith ,  MCGOWAN, David ,  MORROW, John

IPC分类号： H02J9/08

CPC分类号： H02P9/44 ,  H02J9/08 ,  H02P9/008 ,  H02P9/30 ,  H02P9/48

摘要： A voltage regulator system for regulating an output voltage of a genset is disclosed. The voltage regulator system comprises a voltage regulator for reducing terminal voltage in response to a reduction in terminal frequency. A plurality of UFRO states is provided in the voltage regulator, each UFRO state is configured to implement a UFRO characteristic. An operational signal indicative of an operating condition of the genset forms the basis for selection of the UFRO characteristic.

摘要翻译： 用于调节发电机组的输出电压的电压调节器系统包括用于响应于端子频率的降低而降低端子电压的电压调节器。 在电压调节器中提供多个低频滚降（UFRO）状态，每个UFRO状态被配置为实现UFRO特性。 指示发电机组的运行状态的操作信号构成了用于选择UFRO特性的基础。

公开(公告)号：EP2761172A1

公开(公告)日：2014-08-06

申请号：EP12778222.5

申请日：2012-09-28

申请人： Vestas Wind Systems A/S

发明人： SAHUKARI, Sridhar ,  NAYEBI, Kouroush ,  MAYER, Peter Frederick

IPC分类号： F03D7/04 ,  F03D9/00 ,  H02J3/38 ,  H02J3/12

CPC分类号： F03D7/028 ,  F03D7/047 ,  F03D7/048 ,  F03D9/257 ,  H02J3/12 ,  H02J3/386 ,  H02P9/44 ,  Y02E10/723 ,  Y02E10/763

摘要： The present invention relates to a wind power plant, with at least one wind turbine generator, where each of the at least one wind turbine generator has a first voltage controller with a first bandwidth, arranged for controlling a voltage level, and where the wind power plant has a power plant controller with a second voltage controller with a second bandwidth also arranged for controlling the voltage level, the first bandwidth is larger than the second bandwidth. The invention also relates to a method for controlling the voltage level of a wind power plant, by using multi bandwidth voltage controllers.

摘要翻译： 本发明涉及具有至少一个风力涡轮发电机的风力发电厂，其中至少一个风力涡轮发电机中的每一个具有第一带宽的第一电压控制器，其布置用于控制电压电平，并且其中风力发电机 工厂具有具有第二电压控制器的发电厂控制器，第二带宽也被布置用于控制电压电平，第一带宽大于第二带宽。 本发明还涉及通过使用多带宽电压控制器来控制风力发电厂的电压电平的方法。

公开(公告)号：EP2436920A1

公开(公告)日：2012-04-04

申请号：EP10780664.8

申请日：2010-05-28

申请人： Zephyr Corporation

发明人： ITO, Ryosuke ,  OKUBO, Takanori ,  CHIKASHIGE, Tadaaki ,  YAMAZAKI, Takashi ,  MATSUMIYA, Hikaru

IPC分类号： F03D7/02 ,  H02P9/00

CPC分类号： F03D7/0272 ,  F05B2270/1033 ,  F05B2270/304 ,  H02P3/22 ,  H02P9/006 ,  H02P9/08 ,  H02P9/44 ,  H02P9/48 ,  Y02B10/30 ,  Y02E10/723

摘要： A wind power generation control device which controls a wind power generator using a wind turbine blade having a fixed pitch angle is provided. The wind power generation control device which controls the wind power generator in which an output current value outputted by the wind power generator is detected, an output voltage value outputted by the wind power generator is detected, a rotational speed of the wind turbine blade is detected, and on the basis of the detected output current value at the current time, the detected output voltage value at the current time, and the detected rotational speed at the current time, output power at the rotational speed at the current time is calculated, and on the basis of the calculated output power and blade aerodynamic properties, which are properties inherent to the wind turbine blade, the wind power generator is controlled so that an optimal amount of power corresponding to the wind speed can be efficiently obtained in a relatively low wind speed region and a wind power generation control method for controlling the wind power generator are provided.

摘要翻译： 提供了使用具有固定桨距角的风力涡轮机叶片来控制风力发电机的风力发电控制装置。 检测出风力发电机输出的输出电流值的风力发电机的风力发电控制装置，检测到风力发电机输出的输出电压值，检测出风力涡轮机叶片的转速 ，并且基于当前时间检测到的输出电流值，计算当前时间的检测输出电压值和当前时间的检测转速，以当前时间的转速输出功率，以及 基于作为风力涡轮机叶片固有的特性的计算出的输出功率和叶片空气动力特性，控制风力发电机，以便在相对较低的风中有效地获得对应于风速的最佳功率量 提供了用于控制风力发电机的风力发电控制方法。

公开(公告)号：EP1946436A1

公开(公告)日：2008-07-23

申请号：EP06808520.8

申请日：2006-11-13

申请人： Converteam Ltd

发明人： JONES, Rodney ,  BROGAN, Paul, Brian ,  GRONDAHL, Erik ,  STIESDAL, Henrik

IPC分类号： H02P9/04 ,  H02J3/38 ,  F03D7/02

CPC分类号： H02J3/386 ,  F05B2270/705 ,  H02M5/4585 ,  H02P9/305 ,  H02P9/42 ,  H02P9/44 ,  H02P21/00 ,  H02P2101/15 ,  Y02E10/763

摘要： The present invention provides a method of operating a wind turbine including a generator (4) that provides variable voltage at variable frequency and has a stator and a rotor. The wind turbine includes a turbine assembly (2) having at least one blade for rotating the rotor of the generator (4), and a power converter that interfaces the generator (4) to a supply network (NETWORK) operating at nominally fixed voltage and nominally fixed frequency. The power converter includes a generator bridge (10) electrically connected to the stator of the generator (4) and a network bridge (14). A dc link (12) is connected between the generator bridge (10) and the network bridge (14). A filter (16) having network terminals is connected between the network bridge (14) and the supply network. A first controller (18) is provided for controlling the operation of the semiconductor power switching devices of the generator bridge (14). Similarly, a second controller (46) is provided for controlling the operation of the semiconductor power switching devices of the network bridge (14). In response to a change in wind speed (e.g. an increasing or decreasing wind speed) the method comprises the steps of: (i) controlling the second active rectifier/inverter (14) to change the level of power exported out of the dc link (12) such that the dc link voltage changes from a desired level, and (ii) controlling the first active rectifier/inverter (10) to import sufficient current into the dc link (12) through the generator bridge (10) from the generator (4) to restore the dc link voltage to the desired level.

摘要翻译： 本发明提供了一种操作风力涡轮机的方法，该风力涡轮机包括以可变频率提供可变电压并且具有定子和转子的发电机（4）。 风力涡轮机包括具有用于旋转发电机（4）的转子的至少一个叶片的涡轮机组件（2）以及将发电机（4）连接到以标称固定电压操作的供电网络（NETWORK）的功率转换器，以及 名义上固定的频率。 功率转换器包括电连接到发电机（4）的定子和网桥（14）的发电机桥（10）。 直流链路（12）连接在发电机桥（10）和网桥（14）之间。 具有网络终端的滤波器（16）连接在网桥（14）和供电网络之间。 提供第一控制器（18）用于控制发电机桥（14）的半导体功率开关器件的操作。 类似地，提供第二控制器（46）用于控制网桥（14）的半导体功率开关器件的操作。 响应于风速的变化（例如增加或减小的风速），该方法包括以下步骤：（i）控制第二有源整流器/逆变器（14）以改变从直流链路输出的功率的电平（ （ii）控制第一有源整流器/逆变器（10）通过发电机桥（10）将足够的电流输入到直流链路（12）中，该直流链路（12）从发电机 4）将直流母线电压恢复到所需的水平。

公开(公告)号：EP1058962A1

公开(公告)日：2000-12-13

申请号：EP99908360.3

申请日：1999-02-22

申请人： PRECISE POWER CORPORATION

发明人： ROESEL, John, F., Jr. ,  BARBER, Ronnie, J.

IPC分类号： H02P1/46 ,  H02P1/50 ,  H02P3/00 ,  H02P7/08

CPC分类号： H02P9/44 ,  H02K7/025 ,  H02P9/305 ,  Y02E60/16

摘要： An AC machine comprises: a motor energized by an AC source subject to irregularities of frequency and voltage; a generator driven by the motor (22) for supplying an AC output signal of substantially constant frequency and voltage, the generator (24) having a rotor with a layer of a re-magnetizable, relatively high coercive magnetic material on the rotor (22) and a stator (4) of a soft magnetic material having a pole piece and an excitation coil on the pole piece, the stator and the rotor (22) rotating relative to one another with a clearance enabling rotor poles to be formed on the re-magnetizable layer by current energizing the excitation coil; and, a control signal generator responsive to at least one of the AC output signal and a signal representative of the current energizing the excitation coil for generating pulses of programmed wave shapes which differ in at least one of width, phase and magnitude as necessary to modify the rotor poles during the irregularities of the AC source to maintain the substantially constant frequency and voltage of the AC output signal.

公开(公告)号：EP0523586A2

公开(公告)日：1993-01-20

申请号：EP92111882.4

申请日：1992-07-13

申请人： MITSUBISHI DENKI KABUSHIKI KAISHA

发明人： Tanaka, Seiichi, c/o Seigyo Seisakusho ,  Fujikawa, Megumi, c/o Seigyo Seisakusho

IPC分类号： H02P9/30

CPC分类号： H02P9/44 ,  H02P9/30

摘要： An excitation control apparatus for synchronous machine which coincides voltage/frequency ratio of a synchronous machine (6) with a limited value without setting gains of an automatic voltage regulator (AVR; 6) considering the harmony between the automatic voltage regulator (AVR; 6) and voltage/frequency ratio limiter (8) by means of adding the integrated output of a value corresponding to the deference between the limited value and obtained voltage/frequency ratio of the synchronous machine (1) to a desired control value of the synchronous machine (1) by the automatic voltage regulator (AVR; 6).

摘要翻译： 考虑到自动电压调节器（AVR; 6）之间的和谐，同步电机的励磁控制装置将同步电机（6）的电压/频率比与限制值相一致，而不设置自动电压调节器（AVR; 6）的增益; 和电压/频率比限制器（8），通过将对应于同步机（1）的受限值和获得的电压/频率比之间的差值的积分输出与同步机的期望控制值（ 1）由自动电压调节器（AVR; 6）。