公开(公告)号：US10381889B2

公开(公告)日：2019-08-13

申请号：US14317294

申请日：2014-06-27

Applicant: General Electric Company

Inventor： Narendra Digamber Joshi ,  Manoj Ramprasad Shah ,  James William Bray ,  Randy Marinus Vondrell ,  Kurt David Murrow ,  Jeffrey Anthony Hamel ,  Samuel Jacob Martin

IPC: H02K1/28 ,  H02K1/27 ,  H02K1/18 ,  H02K1/30 ,  H02K21/24 ,  H02K49/10 ,  H02K21/02

Abstract: A permanent magnet machine and a rotor assembly for the permanent magnet machine. The permanent magnet machine includes a stator assembly including a stator core configured to generate a magnetic field and extending along a longitudinal axis with an inner surface defining a cavity and a rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the stator cavity and configured to rotate about the longitudinal axis. The rotor assembly further including a plurality of permanent magnets for generating a magnetic field which interacts with the stator magnetic field to produce torque. The permanent magnets are disposed within one or more cavities formed in a sleeve component. The sleeve component configured to include a plurality of cavities or voids therein and thus provide minimal weight to the permanent magnet machine. The permanent magnet machine providing increased centrifugal load capacity, increased power density and improved electrical performance.

公开(公告)号：US10184985B2

公开(公告)日：2019-01-22

申请号：US14971464

申请日：2015-12-16

Applicant: General Electric Company

Inventor： Stefan Grubic ,  Manoj Ramprasad Shah ,  Prabhakar Neti ,  Pinjia Zhang

IPC: G01R31/34 ,  F03D17/00 ,  G01R31/44

Abstract: A fault detection system for a wind turbine includes a doubly-fed induction generator (DFIG). The DFIG includes a wye-ring configured for at least three electrical phases. The fault detection system includes a data acquisition system including at least three sensors. Each sensor of said at least three sensors is configured to electrically couple with and measure a respective voltage of each phase of the at least three electrical phases of the wye-ring. The fault detection system further includes an alert system coupled to said data acquisition system. The alert system is configured to apply a Fourier transform to the respective measured voltages of each phase of the at least three electrical phases of the wye-ring. The alert system is further configured to provide an indication of a condition of the wye-ring based upon the transformed measured voltages.

公开(公告)号：US09951779B2

公开(公告)日：2018-04-24

申请号：US14243394

申请日：2014-04-02

Applicant: General Electric Company

Inventor： Simon Herbert Schramm ,  Manoj Ramprasad Shah ,  Siddharth Navinchandra Ashar ,  Christof Martin Sihler ,  Svend Erik Rocke ,  Vittorio Michelassi

IPC: F04D13/08 ,  F04D27/00 ,  E21B41/00 ,  E21B33/038 ,  E21B43/01 ,  H05K7/20 ,  F04D29/40 ,  H02J3/34

CPC classification number: F04D13/086 ,  E21B33/0385 ,  E21B41/0007 ,  E21B43/01 ,  F04D13/08 ,  F04D27/005 ,  F04D29/40 ,  H02J3/34 ,  H05K7/20927

Abstract: A subsea boosting module for use with an alternating current (AC) power system includes a housing defining at least one interior chamber. A fluid pump is disposed within the interior chamber. An electric motor is disposed within the interior chamber and drivingly coupled to the fluid pump. A plurality of power components is disposed within the interior chamber to deliver power to the electric motor.

公开(公告)号：US09774183B2

公开(公告)日：2017-09-26

申请号：US14142101

申请日：2013-12-27

Applicant: General Electric Company

Inventor： Christof Martin Sihler ,  Manoj Ramprasad Shah ,  Simon Herbert Schramm ,  Svend Erik Rocke ,  Piniwan Thiwanka Bandara Wijekoon

IPC: H02J1/00 ,  E21B36/00 ,  H02J3/00 ,  E21B41/00 ,  H02J3/36

CPC classification number: H02J1/00 ,  E21B36/001 ,  E21B41/0007 ,  H02J3/00 ,  H02J3/36 ,  Y02E60/60 ,  Y10T307/352 ,  Y10T307/707

Abstract: A subsea power distribution module includes an outer vessel defining an interior chamber and a plurality of power modules disposed within the interior chamber. The outer vessel is configured to maintain a pressure within the interior chamber substantially the same as an ambient pressure outside the outer vessel. Each power module includes a pressure vessel defining an interior chamber and a power converter disposed within the interior chamber of the pressure vessel. Each pressure vessel is configured to maintain a substantially constant pressure within the interior chamber of the pressure vessel.

公开(公告)号：US09680344B2

公开(公告)日：2017-06-13

申请号：US14940498

申请日：2015-11-13

Applicant: General Electric Company

Inventor： Ashraf Said Atalla ,  Manoj Ramprasad Shah ,  Satish Prabhakaran ,  James Pellegrino Alexander

IPC: H02K17/12 ,  H02K3/28 ,  H02K11/04 ,  H02K11/00 ,  H02P27/04

CPC classification number: H02K3/28 ,  H02K11/0094 ,  H02K11/04 ,  H02K11/20 ,  H02K11/25 ,  H02K19/10 ,  H02K19/34 ,  H02K2213/09 ,  H02P25/18 ,  H02P25/22 ,  H02P27/04

Abstract: An electrical machine is provided. The electrical machine includes a stator, a rotor, and a plurality of switches. The stator includes main windings and auxiliary windings. The rotor is couplable to a prime mover configured to turn the rotor relative to the stator to generate at least six phases of alternating current (AC) power at the main windings. The plurality of switches is respectively coupled between the auxiliary windings and groups of the main windings. The plurality of switches is configured to convert the at least six phases to three phases when the plurality of switches is closed.

公开(公告)号：US09611855B2

公开(公告)日：2017-04-04

申请号：US14142113

申请日：2013-12-27

Applicant: General Electric Company

Inventor： Christof Martin Sihler ,  Manoj Ramprasad Shah ,  Siddharth Navinchandra Ashar ,  Simon Herbert Schramm ,  Svend Erik Rocke ,  Vittorio Michelassi

IPC: F04D13/06 ,  F04D13/12 ,  H05K7/14 ,  E21B41/00 ,  F04D15/00 ,  H02J1/00 ,  H02K15/00 ,  H02P27/06 ,  E21B43/01 ,  H02J3/36

CPC classification number: F04D13/06 ,  E21B41/0007 ,  E21B43/01 ,  F04D13/12 ,  F04D15/0066 ,  H02J1/00 ,  H02J3/36 ,  H02K15/00 ,  H02P27/06 ,  H05K7/1432 ,  Y02E60/60 ,  Y10T29/49009

Abstract: A subsea boosting module for use with a direct current (DC) power system includes a housing defining at least one interior chamber. A fluid pump is disposed within the interior chamber. An electric motor is disposed within the interior chamber and drivingly coupled to the fluid pump. A plurality of power components is disposed within the interior chamber to deliver power to the electric motor.

公开(公告)号：US20150326074A1

公开(公告)日：2015-11-12

申请号：US14804782

申请日：2015-07-21

Applicant: General Electric Company

Inventor： Jeremy Daniel Van Dam ,  Norman Arnold Turnquist ,  Tsarafidy Raminosoa ,  Manoj Ramprasad Shah ,  Xiaochun Shen

IPC: H02K1/20

CPC classification number: F03B3/103 ,  F03B13/02 ,  F04D13/0646 ,  F24T10/20 ,  H02K1/20 ,  H02K5/12 ,  H02K5/1285 ,  H02K5/132 ,  H02K5/20 ,  H02K7/088 ,  H02K7/14 ,  H02K7/1823 ,  H02K9/19 ,  H02K16/00 ,  H02K21/22 ,  H02K2213/12 ,  Y02E10/14 ,  Y02E10/223

Abstract: An electric machine is presented. The electric machine includes a hollow rotor; and a stator disposed within the hollow rotor, the stator defining a flow channel. The hollow rotor includes a first end portion defining a fluid inlet, a second end portion defining a fluid outlet; the fluid inlet, the fluid outlet, and the flow channel of the stator being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel; and wherein the hollow rotor is characterized by a largest cross-sectional area of hollow rotor, and wherein the flow channel is characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least about 25% of the largest cross-sectional area of the hollow rotor. An electric fluid pump and a power generation system are also presented.

Abstract translation: 介绍了电机。 电机包括中空转子; 以及设置在所述中空转子内的定子，所述定子限定流动通道。 中空转子包括限定流体入口的第一端部，限定流体出口的第二端部; 定子的流体入口，流体出口和流动通道被配置为允许流体经由流动通道从流体入口流体到流体出口; 并且其中所述中空转子的特征在于中空转子的最大横截面面积，并且其中所述流动通道的特征在于所述流动通道的最小横截面面积，其中所述流动通道的最小横截面面积在 至少占中空转子最大横截面面积的25％。 还提出了电动液压泵和发电系统。

公开(公告)号：US20150235793A1

公开(公告)日：2015-08-20

申请号：US14183256

申请日：2014-02-18

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Stefan Rakuff ,  Manoj Ramprasad Shah ,  Paul Robert Gemin ,  Ganesh Krishnamoorthy ,  Ashraf Atalla

IPC: H01H50/64 ,  H01H3/38 ,  H01H3/46

CPC classification number: H01H77/101 ,  H01H3/222 ,  H01H3/38 ,  H01H3/46 ,  H01H9/36 ,  H01H50/641 ,  H01H2235/01

Abstract: Various embodiments of a circuit breaker are described where a movable bridge connector is employed as part of the conductive path when the circuit breaker is in a closed configuration. When the circuit is opened, the connector is displaced from the two fixed contacts otherwise bridged by the connector. In one such embodiment, the circuit breaker utilizes the electromagnetic forces generated in response to the opening event to break the circuit.

Abstract translation: 描述了断路器的各种实施例，其中当断路器处于闭合配置时，可移动桥连接器用作导电路径的一部分。 当电路打开时，连接器从两个固定触头移开，否则由连接器桥接。 在一个这样的实施例中，断路器利用响应于打开事件产生的电磁力来断开电路。

公开(公告)号：US20150134109A1

公开(公告)日：2015-05-14

申请号：US14076580

申请日：2013-11-11

Applicant: General Electric Company

Inventor： Rui Zhou ,  Manoj Ramprasad Shah ,  Kiruba Sivasubramaniam Haran ,  Arthur Vorwerk Radun ,  Enis Tuncer

IPC: B25J9/16 ,  H02N1/00

CPC classification number: H02N1/006 ,  H02N1/008 ,  Y10S901/01

Abstract: A switched capacitive device includes a stator including a plurality of first electrodes extending substantially in a longitudinal dimension. The switched capacitive device also includes an armature including a plurality of second electrodes proximate the plurality of first electrodes. The plurality of second electrodes is translatable with respect to the plurality of first electrodes. The plurality of second electrodes extends substantially in the longitudinal dimension. The plurality of first electrodes and the plurality of second electrodes are configured to induce substantially linear motion of the second plurality of electrodes in the longitudinal dimension with respect to the first plurality of electrodes as a function of an electric field induced by at least a portion of the first plurality of electrodes.

Abstract translation: 开关电容性装置包括定子，其包括基本上沿纵向尺寸延伸的多个第一电极。 开关电容性装置还包括电枢，其包括靠近多个第一电极的多个第二电极。 多个第二电极可相对于多个第一电极平移。 多个第二电极基本上在纵向尺寸上延伸。 所述多个第一电极和所述多个第二电极被配置为相对于所述第一多个电极在所述纵向尺寸上引起所述第二多个电极的基本线性运动，作为由至少一部分电极引起的电场的函数 第一组多个电极。

公开(公告)号：US20150123506A1

公开(公告)日：2015-05-07

申请号：US14070795

申请日：2013-11-04

Applicant: General Electric Company

Inventor： Ken Ivcar Salas Nobrega ,  Jeremy Daniel Van Dam ,  Manoj Ramprasad Shah ,  William Dwight Gerstler ,  Tsarafidy Raminosoa ,  Edward John Flett ,  Patel Bhageerath Reddy ,  James Pellegrino Alexander

IPC: H02K1/27 ,  H02K16/02 ,  H02K5/132

CPC classification number: H02K1/274 ,  H02K1/276 ,  H02K1/278 ,  H02K5/132 ,  H02K16/02 ,  Y02E20/16

Abstract: A permanent magnet machine, a rotor assembly for the machine, and a pump assembly. The permanent magnet machine includes a stator assembly including a stator core configured to generate a magnetic field and extending along a longitudinal axis with an inner surface defining a cavity and a rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the cavity and configured to rotate about the longitudinal axis. The rotor assembly further including a plurality of permanent magnets for generating a magnetic field which interacts with the stator magnetic field to produce torque. The permanent magnets configured as one of internal or surface mounted. The rotor assembly also including a plurality of retaining clips configured to retain the plurality of permanent magnets relative to the rotor core. The pump assembly including an electric submersible pump and a permanent magnet motor for driving the pump.

Abstract translation: 永磁机，用于机器的转子组件和泵组件。 永磁体机器包括定子组件，该定子组件包括定子铁心，该定子铁心构造成产生磁场并且沿纵向轴线延伸，内表面限定空腔，转子组件包括转子芯和转子轴。 转子芯设置在空腔内并且构造成围绕纵向轴线旋转。 转子组件还包括多个永磁体，用于产生与定子磁场相互作用以产生转矩的磁场。 永久磁铁被配置为内部或表面安装的一个。 转子组件还包括多个保持夹，其构造成相对于转子芯保持多个永磁体。 泵组件包括用于驱动泵的电潜泵和永磁电动机。