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公开(公告)号：US20140035498A1
公开(公告)日：2014-02-06
申请号：US13565854
申请日：2012-08-03
IPC分类号： H02P27/04
CPC分类号： H02P6/14 , H02M7/493 , H02M7/537 , H02M2007/4822 , H02P25/024
摘要： A motor for a synchronous electric machine includes a first inverter configured to provide alternating current power at a first plurality of phases. Also included is a second inverter configured to provide alternating current power at a second plurality of phases. Further included is a first stator winding and a second stator winding each in operable communication with the first inverter and the second inverter and configured to operate synchronously at a first phase, a second phase and a third phase. Yet further included is a first interphase transformer for receiving one of the first plurality of phases and one of the second plurality of phases for communicating a pair of simultaneous, matching voltage outputs to the first stator winding and the second stator winding for reducing a stress imposed on a rotor.
摘要翻译： 一种用于同步电机的电动机包括：第一反相器，被配置为在第一多个相位处提供交流电力。 还包括被配置为在第二多个相位提供交流电力的第二反相器。 还包括第一定子绕组和第二定子绕组，每个定子绕组和第二定子绕组与第一反相器和第二反相器可操作地连通，并被配置为在第一相位，第二相位和第三相位同步地运行。 还包括第一相间变压器，用于接收第一多个相中的一个和第二多个相中的一个，用于将一对同时匹配的电压输出传送到第一定子绕组和第二定子绕组，以减少施加的应力 在转子上。
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公开(公告)号：US20130301177A1
公开(公告)日：2013-11-14
申请号：US13470564
申请日：2012-05-14
IPC分类号： H02H3/20
摘要： In one aspect, the present subject matter discloses a method for overvoltage protection of an electrical system. The method may generally include detecting an overvoltage condition on an electrical system; and switching on, in response to the detected overvoltage condition, an impedance connected to the electrical system, wherein the impedance clamps voltage on the electrical system.
摘要翻译： 在一个方面，本主题公开了一种用于电气系统的过电压保护的方法。 该方法通常可以包括检测电气系统上的过电压状况; 并且响应于检测到的过电压条件接通连接到电气系统的阻抗，其中阻抗钳位电气系统上的电压。
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公开(公告)号：US20130107601A1
公开(公告)日：2013-05-02
申请号：US13287757
申请日：2011-11-02
IPC分类号： H05K7/20
CPC分类号： H01L23/427 , H01L2924/0002 , H02M7/003 , H02M2001/007 , H02M2001/327 , H02S40/345 , H05K7/203 , H05K7/20936 , H01L2924/00
摘要： An electric power converter for a renewable power source includes at least one alternating current (AC) conduit coupled to an external AC power device and at least one direct current (DC) conduit coupled to an external DC power device. The converter also includes at least one immersion structure defining at least one immersion cavity therein and a plurality of semiconductor devices. The semiconductor devices include a substrate positioned within the immersion cavity. The substrate defines a plurality of heat transfer surfaces thereon. The semiconductor devices also include at least one semiconductor die coupled to the substrate, the AC conduit, and the DC conduit. The converter further includes a liquid at least partially filling the immersion cavity such that the semiconductor die is fully immersed in and in direct contact with the liquid. Heat generated in the semiconductor device induces a phase change in the liquid.
摘要翻译： 用于可再生电源的电力转换器包括耦合到外部AC电力设备和耦合到外部DC电力设备的至少一个直流（DC）导管的至少一个交流（AC）导管。 转换器还包括在其中限定至少一个浸入腔的至少一个浸没结构和多个半导体器件。 半导体器件包括位于浸入腔内的衬底。 衬底在其上限定多个传热表面。 半导体器件还包括至少一个耦合到衬底，AC导管和DC导管的半导体管芯。 转换器还包括至少部分地填充浸入腔的液体，使得半导体管芯完全浸没在液体中并直接与液体接触。 在半导体器件中产生的热量引起液体中的相变。
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公开(公告)号：US20120029839A1
公开(公告)日：2012-02-02
申请号：US13114751
申请日：2011-05-24
IPC分类号： G06F19/00
CPC分类号： G05B23/0283 , F03D17/00 , Y02E10/722
摘要： A system and method for estimating a remaining life period for a device. The system includes a sensor coupled to the device, wherein the sensor is configured to facilitate measuring an operating parameter of the device and generate a measurement signal that is representative of the operating parameter. The system includes a database comprising an upper limit value, a lower limit value and a reference parameter. A processor of system includes circuitry coupled to the sensor and coupled to the database The processor is configured to correlate measurements of the operating parameter with the reference parameter to facilitate estimating a remaining life period of the device.
摘要翻译： 一种用于估计设备的剩余寿命的系统和方法。 该系统包括耦合到该设备的传感器，其中该传感器被配置为便于测量该设备的操作参数并生成代表该操作参数的测量信号。 该系统包括包含上限值，下限值和参考参数的数据库。 系统的处理器包括耦合到传感器并耦合到数据库的电路。处理器被配置为将操作参数的测量与参考参数相关联，以便于估计设备的剩余寿命周期。
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公开(公告)号：US09194376B2
公开(公告)日：2015-11-24
申请号：US13114751
申请日：2011-05-24
CPC分类号： G05B23/0283 , F03D17/00 , Y02E10/722
摘要： A system and method for estimating a remaining life period for a device. The system includes a sensor coupled to the device, wherein the sensor is configured to facilitate measuring an operating parameter of the device and generate a measurement signal that is representative of the operating parameter. The system includes a database comprising an upper limit value, a lower limit value and a reference parameter. A processor of system includes circuitry coupled to the sensor and coupled to the database The processor is configured to correlate measurements of the operating parameter with the reference parameter to facilitate estimating a remaining life period of the device.
摘要翻译： 一种用于估计设备的剩余寿命的系统和方法。 该系统包括耦合到该设备的传感器，其中该传感器被配置为便于测量该设备的操作参数并生成代表该操作参数的测量信号。 该系统包括包含上限值，下限值和参考参数的数据库。 系统的处理器包括耦合到传感器并耦合到数据库的电路。处理器被配置为将操作参数的测量与参考参数相关联，以便于估计设备的剩余寿命周期。
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36.发明申请SYSTEM AND METHOD FOR DETECTING ISLANDING OF ELECTRICAL MACHINES AND PROTECTING SAME 审中-公开用于检测电机岛和保护电机的系统和方法公开(公告)号：US20150263508A1
公开(公告)日：2015-09-17
申请号：US14423443
申请日：2012-08-30
申请人： Huibin Zhu , Allen Michael Ritter , Einar Vaughn Larsen , Anthony Michael Klodowski , Sidney Allen Barker , Xueqin Wu , Shouzhong Chang
发明人： Huibin Zhu , Allen Michael Ritter , Einar Vaughn Larsen , Anthony Michael Klodowski , Sidney Allen Barker , Xueqin Wu , Shouzhong Chang
CPC分类号： H02H7/06 , F03D9/255 , F03D17/00 , G01R19/165 , G01R21/00 , G01R25/00 , H02J3/38 , H02J3/386 , H02J2003/388 , Y02E10/763
摘要： In one aspect, a method for protecting one or more electrical machines during an islanding event is provided. The method includes connecting one or more electrical machines to an alternating current (AC) electric power system, wherein the AC electric power system is configured to transmit at least one phase of electrical power to the one or more electrical machines or to receive at least on phase of electrical power from the one or more electrical machines; electrically coupling at least a portion of a control system to at least a portion of the AC electric power system; coupling at least a portion of the control system in electronic data communication with at least a portion of the one or more electrical machines; and detecting an islanding of the one or more electrical machines based on one or more conditions monitored by the control system.
摘要翻译： 一方面，提供了在孤岛事件期间保护一个或多个电机的方法。 该方法包括将一个或多个电机连接到交流（AC）电力系统，其中交流电力系统被配置为将至少一个电力相位发射到一个或多个电机或者至少接收 来自一个或多个电机的电力相位; 将控制系统的至少一部分电耦合到AC电力系统的至少一部分; 将所述控制系统的至少一部分与电子数据通信耦合到所述一个或多个电机的至少一部分; 以及基于由所述控制系统监视的一个或多个条件来检测所述一个或多个电机的孤岛。
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公开(公告)号：US08704473B2
公开(公告)日：2014-04-22
申请号：US13565854
申请日：2012-08-03
CPC分类号： H02P6/14 , H02M7/493 , H02M7/537 , H02M2007/4822 , H02P25/024
摘要： A motor for a synchronous electric machine includes a first inverter configured to provide alternating current power at a first plurality of phases. Also included is a second inverter configured to provide alternating current power at a second plurality of phases. Further included is a first stator winding and a second stator winding each in operable communication with the first inverter and the second inverter and configured to operate synchronously at a first phase, a second phase and a third phase. Yet further included is a first interphase transformer for receiving one of the first plurality of phases and one of the second plurality of phases for communicating a pair of simultaneous, matching voltage outputs to the first stator winding and the second stator winding for reducing a stress imposed on a rotor.
摘要翻译： 一种用于同步电机的电动机包括：第一反相器，被配置为在第一多个相位处提供交流电力。 还包括被配置为在第二多个相位提供交流电力的第二反相器。 还包括第一定子绕组和第二定子绕组，每个定子绕组和第二定子绕组与第一反相器和第二反相器可操作地连通，并被配置为在第一相位，第二相位和第三相位同步地运行。 还包括第一相间变压器，用于接收第一多个相中的一个和第二多个相中的一个，用于将一对同时匹配的电压输出传送到第一定子绕组和第二定子绕组，以减少施加的应力 在转子上。
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38.发明授权Method and systems for operating a wind turbine using dynamic braking in response to a grid event 有权使用响应于电网事件的动态制动操作风力涡轮机的方法和系统公开(公告)号：US08664788B1
公开(公告)日：2014-03-04
申请号：US13606530
申请日：2012-09-07
申请人： Robert Gregory Wagoner , Allen Michael Ritter , Einar Vaughn Larsen , Anthony Michael Klodowski , Sidney Allen Barker
发明人： Robert Gregory Wagoner , Allen Michael Ritter , Einar Vaughn Larsen , Anthony Michael Klodowski , Sidney Allen Barker
CPC分类号： F03D7/0244 , F05B2260/90 , F05B2270/107 , H02J3/386 , Y02E10/723 , Y02E10/763
摘要： A method and system for dissipating energy in a direct current (dc) bus of a doubly-fed induction generator (DFIG) converter during a grid event is described. In one aspect, the method comprises monitoring operating conditions of an electrical system, the electrical system comprising at least a DFIG generator and a line side converter and a rotor side converter connected by a dc bus having a dynamic brake connected thereto; detecting an overvoltage on the dc bus or a condition indicative of an overvoltage on the dc link is detected, the overvoltage on the dc bus or condition indicative of the overvoltage caused by a grid event; and causing energy in the dc link to be dissipated using the dynamic brake.
摘要翻译： 描述了在网格事件期间在双馈感应发电机（DFIG）转换器的直流（dc）总线中耗散能量的方法和系统。 一方面，该方法包括监视电气系统的操作条件，该电气系统至少包括一个DFIG发电机和一个线路侧转换器，以及一个通过直流总线连接的转子侧转换器，该直流总线连接有动态制动器; 检测直流母线上的过电压或表示直流母线上的过电压的状态，直流母线上的过电压或指示由电网事件引起的过电压的状态; 并且使用动态制动器使直流链路中的能量消散。
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公开(公告)号：US20130271055A1
公开(公告)日：2013-10-17
申请号：US13447247
申请日：2012-04-15
CPC分类号： H02P27/06 , H02P2201/13
摘要： A device includes a controller that receives current values generated by at least four parallel load commutated inverters (LCIs). The controller includes a source firing generator that generates independent source firing commands for each of the at least four parallel LCIs based on the received current values and transmits each of the independent source firing commands to a respective one of the at least four parallel LCIs, wherein the source firing commands are configured to set input phase angle values of the four parallel LCIs.
摘要翻译： 一种装置包括控制器，其接收由至少四个并联负载换向逆变器（LCI）产生的电流值。 控制器包括源点火发生器，其基于所接收的当前值为所述至少四个并行LCI中的每一个产生独立的源触发命令，并且将所述独立源触发命令中的每一个发送到所述至少四个并行LCI中的相应一个，其中 源激活命令被配置为设置四个并行LCI的输入相位角值。
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公开(公告)号：US08154833B2
公开(公告)日：2012-04-10
申请号：US12550585
申请日：2009-08-31
CPC分类号： H02H9/041 , F03D9/255 , F05B2270/107 , Y02E10/725
摘要： A line side crowbar circuit for an energy converter is disclosed. In one aspect there is a power unit that includes an energy converter; a transformer configured to transfer electrical energy generated from the energy converter to an electrical grid; and a crowbar coupled to the energy converter and the transformer that is configured to prevent an overvoltage event from damaging electrical components associated with the energy converter and the transformer.
摘要翻译： 公开了一种用于能量转换器的线路侧撬棒电路。 在一个方面，存在包括能量转换器的功率单元; 被配置为将从所述能量转换器产生的电能传递到电网的变压器; 以及耦合到能量转换器和变压器的撬棒，其配置成防止过电压事件损坏与能量转换器和变压器相关联的电气部件。
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