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公开(公告)号：US09601918B2
公开(公告)日：2017-03-21
申请号：US14540536
申请日：2014-11-13
Applicant: General Electric Company
Inventor： Ara Panosyan , Stefan Schroeder , Christoph Boeld , Herbert Schaumberger , Johann Hirzinger-Unterrainer , Xiaoting Dong , Uwe Liebscher
IPC: B60L7/00 , H02H7/06 , H02P9/10 , H02J3/40 , H02J3/42 , H02P9/04 , F03D7/02 , H02P3/04 , H02P9/06 , F16D121/20
CPC classification number: H02H7/067 , F03D7/0244 , F03D7/0272 , F16D2121/20 , H02J3/40 , H02J3/42 , H02P3/04 , H02P9/04 , H02P9/06 , H02P9/102 , Y02E10/723 , Y10T307/735 , Y10T477/814
Abstract: An electromagnetic braking system includes an electrically conductive disc coupled to a rotatable shaft of a power generation system for operating in an island mode. The rotatable shaft is operatively coupled between a prime mover and a generator for supplying power to an island grid. The electromagnetic braking system further includes a controller for receiving at least one status or synchronization signal and for generating a control signal based on the at least one signal and an inducting unit for applying an electromagnetic braking force on the electrically conductive disc when commanded by the control signal to regulate a rotational speed of the rotatable shaft.
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公开(公告)号：US20160156276A1
公开(公告)日：2016-06-02
申请号：US14555956
申请日：2014-11-28
Applicant: General Electric Company
Inventor： Zhihui Yuan , Qingyun Chen , Stefan Schroeder , Jie Shen
IPC: H02M5/44
CPC classification number: H02M5/44 , H02M1/36 , H02M5/45 , H02M7/483 , H02M2007/4835
Abstract: An electrical circuit for a power converter includes a first switching device proximate an AC source. The circuit also includes a voltage measurement device proximate a DC link and extends between the AC source and the DC link. The circuit further includes a DC voltage source and a first capacitive device. The first capacitive device is positioned between the first switching device and the voltage measurement device. The circuit further includes a second switching device positioned between the first capacitive device and the voltage measurement device. The circuit also includes a controller operatively coupled to the DC voltage source, the voltage measurement device, and the switching devices. The controller is configured to open the second switching device when a measured voltage signal generated by the voltage measurement device is substantially representative of a reference voltage value.
Abstract translation: 用于功率转换器的电路包括靠近AC电源的第一开关装置。 电路还包括靠近DC链路的电压测量装置，并且在AC源和DC链路之间延伸。 电路还包括直流电压源和第一电容性装置。 第一电容器件位于第一开关器件和电压测量器件之间。 该电路还包括位于第一电容性装置和电压测量装置之间的第二开关装置。 电路还包括可操作地耦合到DC电压源，电压测量装置和开关装置的控制器。 当由电压测量装置产生的测量电压信号基本上代表参考电压值时，控制器被配置为打开第二开关装置。
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公开(公告)号：US09312783B2
公开(公告)日：2016-04-12
申请号：US13717802
申请日：2012-12-18
Applicant: General Electric Company
Inventor： Simon Herbert Schramm , Thomas Brueckner , Stefan Schroeder , Christof Martin Sihler , Sebastian Pedro Rosado
CPC classification number: H02M7/217 , H02M3/07 , H02M3/158 , H02M5/458 , H02M7/483 , H02M7/487 , H02M2007/4835 , Y10T307/406
Abstract: A power converter module including a voltage source current controlled power converter for providing unidirectional current having at least four output voltage levels is provided. The voltage source current controlled power converter includes an input terminal and an output terminal, and a first conductive path and a second conductive path is coupled in parallel to each other between the input terminal and the output terminal. Each of the conductive paths comprises at least one diode and at least one switch coupled in series to the respective conductive path. The at least one diode in the first conductive path are coupled closer to the input terminal and the at least one diode in the second conductive path are coupled closer to the output terminal. The voltage source current controlled power converter further includes at least two energy storage elements coupled between the first conductive path and the second conductive path.
Abstract translation: 提供一种功率转换器模块，其包括用于提供具有至少四个输出电压电平的单向电流的电压源电流控制功率转换器。 电压源电流控制功率转换器包括输入端子和输出端子，并且第一导电路径和第二导电路径在输入端子和输出端子之间彼此并联耦合。 每个导电路径包括至少一个二极管和至少一个与各个导电路径串联耦合的开关。 第一导电路径中的至少一个二极管被更靠近输入端子耦合，并且第二导电路径中的至少一个二极管被更靠近输出端子耦合。 电压源电流控制功率转换器还包括耦合在第一导电路径和第二导电路径之间的至少两个能量存储元件。
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Patent Agency Ranking
公开(公告)号：US09252670B2
公开(公告)日：2016-02-02
申请号：US13719259
申请日：2012-12-19
Applicant: General Electric Company
Inventor： Stefan Schroeder , Jie Shen , Samir Soua
CPC classification number: H02M3/33507 , H02M1/36 , H02M3/335 , H02M7/483 , H02M7/487 , H02M7/521 , H02M7/537 , H02M2007/4835
Abstract: A power converter is presented. The power converter includes at least one leg operatively coupled between a first bus and a second bus and includes a first string including a plurality of non-controllable semiconductor switches, a first node, a second node, and a third node, where the first node is coupled to a third bus, one or more second strings, where each of the one or more second strings includes at least one fully controllable semiconductor switch, and where one of the second strings is coupled between the first node and the third bus and another second string is coupled between the second node and the third node, and one or more third strings, where each of the one or more third strings includes at least one energy storage device and is coupled to the first string, the one or more second strings, or a combination thereof.
Abstract translation: 介绍了一种电源转换器。 功率转换器包括可操作地耦合在第一总线和第二总线之间的至少一个支路，并且包括包括多个不可控半导体开关，第一节点，第二节点和第三节点的第一串，其中第一节点 耦合到第三总线，一个或多个第二串，其中所述一个或多个第二串中的每一个包括至少一个完全可控的半导体开关，并且其中第二串中的一个耦合在第一节点和第三总线之间，另一个 第二串耦合在第二节点和第三节点之间，以及一个或多个第三串，其中一个或多个第三串中的每一个包括至少一个能量存储设备并且耦合到第一串，所述一个或多个第二串 ，或其组合。
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公开(公告)号：US20150301538A1
公开(公告)日：2015-10-22
申请号：US14258667
申请日：2014-04-22
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ara Panosyan , Eva-Maria Baerthlein , Simon Herbert Schramm , Stefan Schroeder , Rohit Kumar Gupta , Pinwan Thiwanka Bandara Wijekoon , Malcolm Graham Smith, Jr.
IPC: G05F1/20
CPC classification number: G05F1/20 , H01F29/04 , H01H9/0005
Abstract: A method of switching taps of an on-load tap changer includes providing a main finger, a first side finger including a first solid state switch and a second side finger including a second solid state switch. The main finger, the first side finger and the second side finger are utilized to provide a connection between the taps and a power terminal of the on-load tap changer. The method also includes triggering the on-load tap changer to shift the fingers from a first tap to a second tap of the on-load tap changer when a tap change signal is received and utilizing the first solid state switch and the second solid state switch to commutate a current during the tap change operation.
Abstract translation: 一种开关有载分接开关的抽头的方法包括提供主指，包括第一固态开关的第一侧指和包括第二固态开关的第二侧指。 主指状物，第一侧指和第二侧指用于提供抽头与有载分接开关的电源端之间的连接。 该方法还包括当接收到抽头变换信号时触发有载分接开关将手指从第一抽头移动到有载分接开关的第二抽头，并利用第一固态开关和第二固态开关 在分接变换操作期间换向电流。
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公开(公告)号：US20150249402A1
公开(公告)日：2015-09-03
申请号：US14193525
申请日：2014-02-28
Applicant: General Electric Company
Inventor： Piniwan Thiwanka Bandara Wijekoon , Christof Martin Sihler , Stefan Schroeder , Jie Shen , Pierluigi Tenca
CPC classification number: H02M7/06 , H02J3/36 , H02M1/12 , H02M1/14 , H02M5/04 , H02M7/48 , Y02E60/60
Abstract: A DC power transmission system is configured to generate an electric field including components substantially constant with respect to time and varying with time. The DC power transmission system includes an AC stage configured to receive AC electrical power. The AC stage includes a transformer including primary windings and secondary windings configured to be electromagnetically coupled to, and electrically isolated from, each other. The AC stage also includes an AC/AC converter having substantially no insulating features against the at least one substantially constant component of the electric field. The AC/AC converter is electrically coupled to the primary windings. The DC power transmission system also includes an AC/DC conversion stage positioned downstream of the AC stage. The AC/DC conversion stage includes an AC/DC rectifier configured to convert AC electrical power to DC electrical power without external control. The AC/DC rectifier is coupled to the secondary windings.
Abstract translation: 直流电力传输系统被配置为产生包括相对于时间基本上恒定且随时间变化的分量的电场。 直流电力传输系统包括被配置为接收AC电力的AC级。 AC级包括变压器，其包括初级绕组和次级绕组，其被配置为电磁耦合到彼此并且彼此电隔离。 AC级还包括AC / AC转换器，其基本上没有与电场的至少一个基本恒定的分量相对的绝缘特性。 AC / AC转换器电耦合到初级绕组。 直流电力传输系统还包括位于AC级下游的AC / DC转换级。 AC / DC转换级包括AC / DC整流器，被配置为在没有外部控制的情况下将AC电力转换为DC电力。 AC / DC整流器耦合到次级绕组。
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57.发明申请公开(公告)号：US20150097371A1
公开(公告)日：2015-04-09
申请号：US14566145
申请日：2014-12-10
Applicant: General Electric Company
Inventor： Ara Panosyan , Christoph Boeld , Herbert Schaumberger , Stefan Schroeder , Lukas Vogl , Mikhail Avramovich Avanesov
CPC classification number: H02K49/046 , F03D7/0244 , F03D7/0272 , F16D2066/003 , F16D2121/20 , H02P3/04 , H02P9/06 , Y02E10/723
Abstract: An electromagnetic braking system includes an electrically conductive disc coupled to a rotatable shaft of a power generation system. The rotatable shaft is operatively coupled to a prime mover and a generator. The electromagnetic braking system further includes an inducting unit for applying an electromagnetic braking torque on the electrically conductive disc when commanded by a control signal and a controller for receiving an activation signal from an activating unit, receiving a rotational signal from a rotational sensor coupled to the rotatable shaft or the generator, determining a control signal when the rotational signal is outside of a threshold, and, when the activation signal is active and the rotational signal is outside of the threshold, sending the control signal to the inducting unit to regulate a rotational dynamic of the rotatable shaft.
Abstract translation: 电磁制动系统包括耦合到发电系统的可旋转轴的导电盘。 可旋转轴可操作地联接到原动机和发电机。 电磁制动系统还包括感应单元，用于在由控制信号命令时在导电盘上施加电磁制动转矩;以及控制器，用于接收来自激活单元的启动信号，从耦合到所述驱动单元的旋转传感器接收旋转信号 旋转轴或发电机，当所述旋转信号在阈值之外时确定控制信号，并且当所述激活信号有效并且所述旋转信号在所述阈值之外时，将所述控制信号发送到所述感应单元以调节旋转 旋转轴的动态。
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公开(公告)号：US20140167508A1
公开(公告)日：2014-06-19
申请号：US13717802
申请日：2012-12-18
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Simon Herbert Schramm , Thomas Brueckner , Stefan Schroeder , Christof Martin Sihler , Sebastian Pedro Rosado
CPC classification number: H02M7/217 , H02M3/07 , H02M3/158 , H02M5/458 , H02M7/483 , H02M7/487 , H02M2007/4835 , Y10T307/406
Abstract: A power converter module including a voltage source current controlled power converter for providing unidirectional current having at least four output voltage levels is provided. The voltage source current controlled power converter includes an input terminal and an output terminal, and a first conductive path and a second conductive path is coupled in parallel to each other between the input terminal and the output terminal. Each of the conductive paths comprises at least one diode and at least one switch coupled in series to the respective conductive path. The at least one diode in the first conductive path are coupled closer to the input terminal and the at least one diode in the second conductive path are coupled closer to the output terminal. The voltage source current controlled power converter further includes at least two energy storage elements coupled between the first conductive path and the second conductive path.
Abstract translation: 提供一种功率转换器模块，其包括用于提供具有至少四个输出电压电平的单向电流的电压源电流控制功率转换器。 电压源电流控制功率转换器包括输入端子和输出端子，并且第一导电路径和第二导电路径在输入端子和输出端子之间彼此并联耦合。 每个导电路径包括至少一个二极管和至少一个与各个导电路径串联耦合的开关。 第一导电路径中的至少一个二极管被更靠近输入端子耦合，并且第二导电路径中的至少一个二极管被更靠近输出端子耦合。 电压源电流控制功率转换器还包括耦合在第一导电路径和第二导电路径之间的至少两个能量存储元件。
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