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27 条记录 (耗时 0.013 秒)

    SYSTEM AND METHOD FOR OPERATING A DOUBLY FED INDUCTION GENERATOR SYSTEM TO REDUCE HARMONICS
    2.
    发明公开
    SYSTEM AND METHOD FOR OPERATING A DOUBLY FED INDUCTION GENERATOR SYSTEM TO REDUCE HARMONICS 审中-公开

    公开(公告)号：EP3487066A1

    公开(公告)日：2019-05-22

    申请号：EP18205229.0

    申请日：2018-11-08

    申请人： General Electric Company

    发明人： WAGONER, Robert Gregory ,  SMITH, David

    IPC分类号： H02P29/50 ,  H02M1/12 ,  H02P9/00 ,  H02M5/458 ,  H02M7/493

    摘要： A DFIG power system 100 defines a generator power path 130 and a converter power path 132. The generator power path 130 has a DFIG 120 with a rotor 122 and a stator 124. The converter power path 132 has a power converter 162 with a rotor-side converter 166 coupled to a line-side converter 168 via a DC link 136. The power converter 162 has at least two power bridge circuits 144, 145, 146 connected in parallel. A method 300 of operating the DFIG power system 100 includes monitoring, via one or more sensors 181, 183, 185, at least one electrical condition thereof. The method 300 also includes comparing, via a control system 174, the electrical conditions to a predetermined threshold, the predetermined threshold being indicative of an occurrence of a transient overloading event. Further, the method 300 includes alternating between non-interleaving and interleaving intervals if the electrical conditions exceeds the predetermined threshold so as to reduce harmonics of the DFIG power system 100.

    GATE DRIVE CIRCUIT AND METHOD OF OPERATING SAME
    4.
    发明公开
    GATE DRIVE CIRCUIT AND METHOD OF OPERATING SAME 审中-公开
    GATE-TREIBERSCHALTUNG UND VERFAHREN ZUM BETRIEB DAVON

    公开(公告)号：EP3035532A1

    公开(公告)日：2016-06-22

    申请号：EP15199353.2

    申请日：2015-12-10

    申请人： General Electric Company

    发明人： WAGONER, Robert Gregory ,  GREENLEAF, Todd David

    IPC分类号： H03K17/16 ,  H02M1/08

    CPC分类号： H03K17/567 ,  H03K17/163 ,  H03K17/166 ,  H03K17/168 ,  H03K2217/0036

    摘要： A gate drive circuit 300 for applying a voltage to a gate of a semiconductor switching device 100 is disclosed. The gate drive circuit 300 includes a gate drive controller 310 that provides voltage commands for operating the semiconductor switching device 100, a plurality of primary gate resistors 312, 314 coupled between the gate drive controller 310 and the semiconductor switching device 100, one or more secondary gate resistors 315, 316, 317, 318 connected in parallel with the primary gate resistors 312, 314, a primary transistor 324, 325 connected in series with each of the primary gate resistors 312, 314, and a secondary transistor 326, 327, 328, 329 connected in series with each of the secondary gate resistors 315, 316, 317, 318. Further, one of the primary or secondary transistors 324, 325, 326, 327, 328, 329 receives the one or more voltage commands from the gate drive controller 310 and provides one or more corresponding voltage levels to the semiconductor switching device 100 via one of the primary or secondary gate resistors 312, 314, 315, 316, 317, 318 so as to control the on-off behavior of the semiconductor switching device 100.

    摘要翻译： 公开了一种用于向半导体开关装置100的栅极施加电压的栅极驱动电路300。 栅极驱动电路300包括提供用于操作半导体开关器件100的电压命令的栅极驱动控制器310，耦合在栅极驱动控制器310和半导体开关器件100之间的多个初级栅极电阻312,314，一个或多个次级 与主栅极电阻312,314并联连接的栅极电阻器315,316,317,318，与主栅极电阻312,314中的每一个串联连接的初级晶体管324,316和次级晶体管326,328,328 ，329与每个次级栅极电阻器315,316,317,318串联连接。此外，主晶体管324,325,326,327,328,329之一接收来自栅极的一个或多个电压命令 驱动控制器310，并且经由主栅极电阻器312,314,315,316,317,318中的一个提供一个或多个对应的电压电平到半导体开关器件100，以便控制开 - 关行为 该半导体开关装置100。

    BATTERY-SUPPORTED BRAKING SYSTEM FOR A WIND TURBINE
    6.
    发明公开
    BATTERY-SUPPORTED BRAKING SYSTEM FOR A WIND TURBINE 审中-公开
    用于风力涡轮机的电池支持制动系统

    公开(公告)号：EP3276165A1

    公开(公告)日：2018-01-31

    申请号：EP17181060.9

    申请日：2017-07-12

    申请人： General Electric Company

    发明人： WAGONER, Robert Gregory ,  GANIREDDY, Govardhan ,  KOLHATKAR, Yashomani

    IPC分类号： F03D7/02 ,  H02P9/00 ,  H02P9/10 ,  H02H7/08

    CPC分类号： H02H7/067 ,  F03D7/0244 ,  F05B2260/845 ,  H02H7/1216 ,  H02P9/007 ,  H02P9/102 ,  Y02E10/723

    摘要： The present disclosure is directed to a protection system (102) for a wind turbine power system (100) connected to a power grid (82). The protection system (102) includes a main brake circuit (104) having at least one brake resistive element (116) and at least one brake switch element (120, 122), a storage element (118), and a controller (75). The brake resistive element is coupled to at least one of a DC link (68) of a power converter (65) of the wind turbine power system, windings of a rotor (80) of a generator (24), or windings of a stator (78) of the generator of the wind turbine power system via the brake switch element. The battery system (130) is coupled to the generator via a battery switch element. In addition, the controller is configured to disconnect the power converter and the generator from the power grid and connect at least one of the main brake circuit or the battery system to the generator in response to detecting an electromagnetic (EM) torque loss event so as to generate an EM torque.

    摘要翻译： 本公开涉及用于连接到电网（82）的风力涡轮机电力系统（100）的保护系统（102）。 保护系统（102）包括具有至少一个制动电阻元件（116）和至少一个制动开关元件（120,122），存储元件（118）和控制器（75）的主制动回路（104） 。 制动电阻元件耦合到风力涡轮机动力系统的功率转换器（65）的DC链路（68），发电机（24）的转子（80）的绕组或至少一个定子绕组 （78）通过制动开关元件连接到风力涡轮机动力系统的发电机。 电池系统（130）经由电池开关元件耦合到发电机。 此外，控制器被配置为响应于检测到电磁（EM）转矩损失事件而将电力转换器和发电机从电网断开，并将主制动回路或电池系统中的至少一个连接到发电机，以便 以产生EM扭矩。

    DYNAMIC CONRTOL OF ACTIVE AND REACTIVE POWER CAPABILITY FOR WIND FARMS
    10.
    发明公开
    DYNAMIC CONRTOL OF ACTIVE AND REACTIVE POWER CAPABILITY FOR WIND FARMS 审中-公开

    公开(公告)号：EP3484008A1

    公开(公告)日：2019-05-15

    申请号：EP18203922.2

    申请日：2018-11-01

    申请人： General Electric Company

    发明人： HARDWICKE, Edward Wayne ,  WAGONER, Robert Gregory ,  SCHNETZKA, Harold Robert ,  SALAMAH, Samir ,  BURRA, Rajni Kant ,  VENKITANARAYANAN, Vaidhya Nath

    IPC分类号： H02J3/38 ,  H02J3/48 ,  H02J3/50 ,  F03D7/04

    摘要： A control method 300 for dynamically controlling active and reactive power capability of a wind farm includes obtaining 302 one or more real-time operating parameters of each of the wind turbines. The method 300 also includes obtaining 304 one or more system limits of each of the wind turbines. Further, the method 300 includes measuring 306 at least one real-time wind condition at each of the wind turbines. Moreover, the method 300 includes continuously calculating 308 an overall maximum active power capability and an overall maximum reactive power capability for each of the wind turbines as a function of the real-time operating parameters, the system limits, and/or the real-time wind condition. Further, the method 300 includes generating 310 a generator capability curve for each of the wind turbines using the overall maximum active and reactive power capabilities and communicating the generator capability curves to a farm-level controller of the wind farm that can use the curves to maximize the instantaneous power output of the wind farm.