公开(公告)号：US09042129B2

公开(公告)日：2015-05-26

申请号：US13678052

申请日：2012-11-15

Applicant: General Electric Company

Inventor： Pinwan Thiwanka Bandara Wijekoon ,  Ara Panosyan ,  Manoj Ramprasad Shah

IPC: H02J3/36 ,  H02M3/335 ,  H02J3/00

CPC classification number: H02M3/335 ,  H02J3/00 ,  H02J3/18 ,  H02J3/1878 ,  Y02E40/30

Abstract: An integrated power quality control system includes a transformer with a primary winding, a secondary winding and a compensation winding wound on a magnetic core. A power electronic converter in the system provides a reference voltage to the compensation winding for injecting a series voltage in the secondary winding of the transformer. A controller is utilized to generate a reference control voltage for the power electronic converter based on a power quality control requirement.

Abstract translation: 集成电力质量控制系统包括具有初级绕组的变压器，次级绕组和缠绕在磁芯上的补偿绕组。 系统中的电力电子转换器向补偿绕组提供参考电压，用于在变压器的次级绕组中注入串联电压。 基于电力质量控制要求，利用控制器产生用于电力电子转换器的参考控制电压。

公开(公告)号：US20150069879A1

公开(公告)日：2015-03-12

申请号：US14313380

申请日：2014-06-24

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Francesco Papini ,  Alexander Felix Fiseni ,  Mohamed Osama ,  Manoj Ramprasad Shah

IPC: H02K1/28 ,  H02K1/24 ,  H02K19/14 ,  H02K15/03 ,  H02K1/27

CPC classification number: H02K1/246 ,  H02K1/2766 ,  H02K1/30 ,  H02K2201/06 ,  Y10T29/49012

Abstract: A component that includes a longitudinal axle, having a multiple keybars that extend outward from a surface of the axle, such that each of the keybars are disposed axially along and circumferentially around the axle. Also the axis of the keybars is parallel to the axle, such that a profile of all midpoints of the keybars is helicoidal around the axle, also the helicoidal profile is such that they make up one or more helicoidal paths. The profile may be herringbone skewed. The component may be part of a rotor assembly that is part of an electric machine such as an interior permanent magnet (IPM) or Synchronous Reluctance motor.

Abstract translation: 一种包括纵向轴的部件，其具有从所述轴的表面向外延伸的多个键杆，使得每个所述键棒沿着所述轴线并沿周向设置。 键杆的轴线也平行于车轴，使得钥匙杆的所有中点的轮廓在轴上是螺旋形的，并且螺旋形轮廓使得它们构成一个或多个螺旋路径。 轮廓可能是人字歪斜。 该部件可以是作为诸如内部永磁体（IPM）或同步磁阻电动机的电机的一部分的转子组件的一部分。

公开(公告)号：US20140084937A1

公开(公告)日：2014-03-27

申请号：US13629206

申请日：2012-09-27

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Prabhakar Neti ,  Karim Younsi ,  Yingneng Zhou ,  Manoj Ramprasad Shah ,  Pinjia Zhang ,  Charles David Whitefield, II

IPC: G01R31/34

CPC classification number: G01R31/343 ,  G01R31/1272 ,  G01R31/346

Abstract: Systems and methods are disclosed for on-line monitoring of the condition of the stator insulation of an AC motor or an electric generator. In certain embodiments, the system includes a transformer surrounding each pair of input and output cables associated with a given phase of power provided to the AC motor or generated by the electric generator. In another embodiment, a transformer surrounds the three input cables (for an AC motor) or the three output cables (for an electric generator) that correspond to phases of the AC motor or electric generator. In both embodiments, the transformers generate voltages that may be used to monitor leakage currents associated with the cables. A microcontroller monitors the voltages generated by the transformers and determines the condition of the stator insulation of the AC motor or the electric generator based on the voltages.

Abstract translation: 公开了用于在线监测交流电动机或发电机的定子绝缘的状态的系统和方法。 在某些实施例中，系统包括围绕与提供给AC电动机或由发电机产生的给定相电源相关联的每对输入和输出电缆的变压器。 在另一个实施例中，变压器围绕对应于AC电动机或发电机的相位的三个输入电缆（用于AC电动机）或三个输出电缆（用于发电机）。 在两个实施例中，变压器产生可用于监测与电缆相关联的泄漏电流的电压。 微控制器监视变压器产生的电压，并基于电压确定交流电动机或发电机的定子绝缘的状况。