METHOD AND SYSTEM FOR MONITORING PARTIAL DISCHARGE WITHIN AN ELECTRIC GENERATOR
    31.
    发明申请
    METHOD AND SYSTEM FOR MONITORING PARTIAL DISCHARGE WITHIN AN ELECTRIC GENERATOR 审中-公开
    用于监测电力发电机部分放电的方法和系统

    公开(公告)号:US20090302862A1

    公开(公告)日:2009-12-10

    申请号:US12132708

    申请日:2008-06-04

    CPC classification number: G01R31/1272 G01R31/343

    Abstract: Electrical generators used for power generation typically operate at high voltage. The High operating voltage results in a severe electrical stress environment for the generator conductor insulation system. The high electrical stress cal lead to a phenomena such as corona, partial discharge and arcing that can cause damage to the insulation and conductors. Disclosed is a novel method and system of detecting partial discharge activity within an electric generator. The method employs at least two Rogowski loops non-contactingly surrounding individual iso-phase bus conductors, where the loops are wired in differential mode to detect fast moving electrical pulses indicative of partial discharge.

    Abstract translation: 用于发电的发电机通常以高电压工作。 高工作电压导致发电机导体绝缘系统的严重的电应力环境。 高电压导致电晕,局部放电和电弧等现象,导致绝缘和导体损坏。 公开了一种检测发电机内局部放电活动的新方法和系统。 该方法使用非接触地围绕各个等相总线导体的至少两个罗氏线圈,其中环路以差分模式布线以检测指示局部放电的快速移动电脉冲。

    WEAR MONITOR FOR TURBO-MACHINE
    32.
    发明申请
    WEAR MONITOR FOR TURBO-MACHINE 有权
    汽车机器监测仪

    公开(公告)号:US20070295894A1

    公开(公告)日:2007-12-27

    申请号:US11472934

    申请日:2006-06-22

    CPC classification number: G01M13/04 G01H9/004

    Abstract: A wear determination device for determining-vibration in a turbine engine component to reduce wear in a turbine engine. The wear determination device may be capable of measuring vibrations in a turbine engine component. The vibration measurement may be used to determine vibrations in a turbine engine to identify wear locations and sources of wear. The wear determination device may be configured such that multiple locations in a turbine engine may be monitored on a single turbine engine by moving the wear determination device from location to location.

    Abstract translation: 一种用于确定涡轮发动机部件中的振动以减少涡轮发动机中的磨损的磨损确定装置。 磨损确定装置可以能够测量涡轮发动机部件中的振动。 振动测量可用于确定涡轮发动机中的振动以识别磨损位置和磨损来源。 磨损确定装置可以被配置为使得可以在单个涡轮发动机上通过将磨损确定装置从位置移动到位置来监测涡轮发动机中的多个位置。

    Wear monitor for turbo-machine
    33.
    发明授权
    Wear monitor for turbo-machine 有权
    涡轮机磨损监测仪

    公开(公告)号:US07259552B2

    公开(公告)日:2007-08-21

    申请号:US11140655

    申请日:2005-05-27

    CPC classification number: F01D21/003 F05D2270/305 G01B7/14

    Abstract: A measurement device for measuring the wear of turbo-machine components to reduce the likelihood of component failure while a turbine-machine is at load. The measurement device is capable of measuring and calculating a distance between surfaces while the turbo-machine is at load. The distance may be compared with a measurement taken of the same location at another time to determine wear of a surface remote from the location of the measurement. The measurement device may be configured such that multiple measurements may be made on a single turbine engine by moving the measurement device from location to location.

    Abstract translation: 一种用于测量涡轮机组件磨损的测量装置,以减少在涡轮机处于负载状态时部件故障的可能性。 测量装置能够在涡轮机处于负载状态时测量和计算表面之间的距离。 该距离可以与在另一时间对同一位置进行的测量进行比较,以确定远离测量位置的表面的磨损。 测量装置可以被配置为使得可以通过将测量装置从位置移动到位置而在单个涡轮发动机上进行多次测量。

    Imaging rotating turbine blades in a gas turbine engine
    34.
    发明授权
    Imaging rotating turbine blades in a gas turbine engine 有权
    在燃气涡轮发动机中成像旋转涡轮叶片

    公开(公告)号:US07064811B2

    公开(公告)日:2006-06-20

    申请号:US10849992

    申请日:2004-05-20

    CPC classification number: G01P3/40 F01D21/003 G01P3/488

    Abstract: A system (10) for imaging a rotating turbine blade (20) includes an image projector (12) receiving a moving image of the rotating blade and projecting a movement-compensated image. The system also includes an image receptor (14) for receiving the movement-compensated image. A sensor (16) is provided for generating information (28) indicative of a velocity of the rotating turbine blade and a processor (18) generates a drive signal (30) responsive to the information for controlling a position of the image projector. The image projector is controlled to receive the moving image at a desired angular position and to project the movement-compensated image to the image receptor so that the movement-compensated image appears stationary relative to the image receptor.

    Abstract translation: 用于对旋转的涡轮叶片(20)进行成像的系统(10)包括接收旋转叶片的运动图像并投影运动补偿图像的图像投影仪(12)。 该系统还包括用于接收运动补偿图像的图像接收器(14)。 提供传感器(16),用于产生指示旋转的涡轮机叶片的速度的信息(28),并且处理器(18)根据用于控制图像投影仪的位置的信息产生驱动信号(30)。 控制图像投影仪以在期望的角度位置接收运动图像,并将移动补偿图像投射到图像接收器,使得运动补偿图像相对于图像接收体呈现静止。

    Integral condition monitor for detecting overheating in an electric generator
    35.
    发明授权
    Integral condition monitor for detecting overheating in an electric generator 失效
    用于检测发电机过热的积分状态监视器

    公开(公告)号:US06998618B2

    公开(公告)日:2006-02-14

    申请号:US10669846

    申请日:2003-09-24

    CPC classification number: G01H1/003

    Abstract: The present invention provides a flange-mounted condition monitor (30) that can be mounted to an access flange (21) on an access opening (20) on the housing (13) of a generator (10). The condition monitor (30) forms an integral part of the generator (10) and eliminates the need for complex systems of pipes and valves for transferring hydrogen samples from the generator (10) to the condition monitor (30). The flange-mounted condition monitor (30) provides greater sensitivity to overheat conditions, significantly reducing the risk of dangerous hydrogen leaks and eliminating costs associated with installing and maintaining a remote condition monitor and also reducing or eliminating the false alarms associated with water that collects in the piping of a remote condition monitor.

    Abstract translation: 本发明提供了一种法兰安装状态监视器(30),其可以安装在发电机(10)的壳体(13)上的进入开口(20)上的进入凸缘(21)上。 状态监视器(30)形成发电机(10)的组成部分,并且不需要用于将氢气样本从发电机(10)传送到状态监视器(30)的复杂系统的管道和阀门。 法兰安装状态监视器(30)对过热条件提供更高的灵敏度,显着降低危险氢气泄漏的风险,并消除与安装和维护远程监控器相关的成本,并且还可以减少或消除与收集的水相关的虚假警报 远程状态监视器的管道。

    Apparatus and method for identification and location of internal arcing
in dynamoelectric machines
    36.
    发明授权
    Apparatus and method for identification and location of internal arcing in dynamoelectric machines 失效
    电动机内部电弧的识别和定位的装置和方法

    公开(公告)号:US5416430A

    公开(公告)日:1995-05-16

    申请号:US54572

    申请日:1993-04-28

    CPC classification number: G01R31/343 G01R31/12

    Abstract: The present invention monitors RF emissions within a turbine generator. A coupling device provides a connection between preexisting thermal sensor leads and an RF monitor. Preexisting thermal sensor leads are connected to thermocouples and resistance temperature detectors during manufacture of the turbine generator. The RF monitor is used in the present invention to monitor RF emissions flowing in the thermal sensor leads thereby avoiding a need to retrofit RF sensors on the generator. The present invention also provides a capacitive coupling means between the thermal sensor leads and the RF monitor. The present invention also provides an inductive means to reduce interference from RF emissions having sources external to the generator.

    Abstract translation: 本发明监测涡轮发电机内的RF发射。 耦合装置提供先前存在的热传感器引线和RF监视器之间的连接。 在涡轮发电机制造过程中,预先存在的热传感器引线连接到热电偶和电阻温度检测器。 在本发明中使用RF监视器来监测在热传感器引线中流动的RF辐射,从而避免需要改变发生器上的RF传感器。 本发明还提供了在热传感器引线和RF监视器之间的电容耦合装置。 本发明还提供一种用于减少具有发生器外部的源的RF发射的干扰的电感装置。

    Apparatus and method for removing common mode vibration data from
digital turbine blade vibration data
    37.
    发明授权
    Apparatus and method for removing common mode vibration data from digital turbine blade vibration data 失效
    用于从数字涡轮机叶片振动数据中去除共模振动数据的装置和方法

    公开(公告)号:US5148711A

    公开(公告)日:1992-09-22

    申请号:US607934

    申请日:1990-11-01

    CPC classification number: G01H1/006

    Abstract: A sensor produces a signal indicative of the actual arrival time of each turbine blade at the sensor. A first circuit is responsive to the sensor for producing digital data representing the actual arrival time of each blade at the sensor. A second circuit establishes expected arrival times for each blade at the sensor. A third circuit is responsive to the digital data for generating a plurality of data entries each representing the difference between the actual arrival time and the expected arrival time. A fourth circuit stores the data entries in a first string having a plurality of dummy entries at the beginning thereof and at the end thereof and inserts into the string space saver characters in the event that the data entry for a particular blade is not produced. A fifth circuit establishes a running average value, over a plurality of data entries, for each data entry. The running average value is representative of common mode vibration. The average value is subtracted from its corresponding data entry to produce a second string wherein the entries in the second string are free of common mode vibration data.

    Abstract translation: 传感器产生指示每个涡轮叶片在传感器处的实际到达时间的信号。 第一电路响应于传感器用于产生表示每个叶片在传感器处的实际到达时间的数字数据。 第二个电路在传感器处建立每个叶片的预期到达时间。 第三电路响应于数字数据以产生多个数据条目,每个数据条目表示实际到达时间与预期到达时间之间的差异。 第四电路将数据条目存储在具有多个虚拟条目的第一字符串的起始端和末端,并且在不产生特定刀片的数据条目的情况下插入到字符串空间保护字符中。 第五电路为每个数据条目在多个数据条目中建立运行平均值。 运行平均值代表共模振动。 从其对应的数据条目中减去平均值以产生第二串,其中第二串中的条目没有共模振动数据。

    Method for continuously calibrating an optical vibration sensor
    38.
    发明授权
    Method for continuously calibrating an optical vibration sensor 失效
    连续校准光学振动传感器的方法

    公开(公告)号:US5146776A

    公开(公告)日:1992-09-15

    申请号:US618135

    申请日:1990-11-26

    CPC classification number: G01D18/004 G01D5/34 G01H3/005

    Abstract: An optical vibration sensor is automatically calibrated by extracting a beat frequency vibration signal from a vibration signal produced by the optical vibration sensor, computing a resonant frequency of the optical vibration sensor using the beat frequency which has been extracted, and calibrating the optical vibration sensor based on the resonant frequency computed. The calibration method continuously compensates for changes in the resonant frequency due to temperature and mechanical changes of the optical vibration sensor. The optical vibration sensor is physically attached to an end-winding of an electrical generator.

    Abstract translation: 通过从由光学振动传感器产生的振动信号提取拍频振动信号,使用已经提取的拍频来计算光学振动传感器的谐振频率,并且基于光学振动传感器校准光学振动传感器 对谐振频率进行计算。 校准方法连续地补偿由于光学振动传感器的温度和机械变化引起的谐振频率的变化。 光学振动传感器物理地连接到发电机的端部绕组上。

    Connection together of pipes by breakable welded joint
    39.
    发明授权
    Connection together of pipes by breakable welded joint 失效
    通过可焊接接头连接管道

    公开(公告)号:US5123679A

    公开(公告)日:1992-06-23

    申请号:US662646

    申请日:1991-03-01

    CPC classification number: F16L23/167 F16L13/02

    Abstract: A fluid conduit composed of: two pipe sections each having a longitudinal axis and a connecting end, each pipe section including a cylindrical main portion, an annular flange located at the connecting end and extending radially outwardly from the main portion, and a thin annular disk located at the connecting end, extending radially outwardly from the flange and having an outer periphery, the pipe sections being assembled together at the connecting ends with the disks in contact with one another; and a mass of welding metal sealing the outer peripheries of the disks together.Such a connection can be broken by cutting off outer peripheral regions of the disks along a circular cutting line.

    Abstract translation: 一种流体导管,包括:两个管段,每个管段具有纵向轴线和连接端,每个管段包括圆柱形主要部分,位于连接端处并从主要部分径向向外延伸的环形凸缘,以及薄的环形盘 位于连接端,从凸缘径向向外延伸并且具有外周,所述管段在连接端处与所述盘彼此接触地组装在一起; 以及大量的焊接金属将盘的外周密封在一起。 通过沿着圆形切割线切断圆盘的外围区域可以破坏这种连接。

    Ultrasonic flow nozzle cleaning apparatus
    40.
    发明授权
    Ultrasonic flow nozzle cleaning apparatus 失效
    超声波流量喷嘴清洗装置

    公开(公告)号:US5123433A

    公开(公告)日:1992-06-23

    申请号:US356162

    申请日:1989-05-24

    CPC classification number: B08B3/12

    Abstract: An ultrasonic cleaning apparatus and method is provided for a venturi flow nozzle which is mounted in a pipe having fluid flowing therethrough. The apparatus includes a plurality of ultrasonic transducers mounted in openings provided upstream of the venturi flow nozzle inlet. The transducers transmit ultrasonic waves directly into and thereby excite the fluid flowing through the venturi flow nozzle and create cavitation which cleans the nozzle. Additional transducers are preferably provided in the throat area of the venturi flow nozzle. In alternative embodiments, the transducers are mounted in high and low pressure taps associated with the venturi flow nozzle such that the transducers directly transmit ultrasonic waves into fluid flowing into the high and low pressure taps. The transducers may be mounted flush with the interior of the pipe or venturi flow nozzle, or the transducers may be mounted at a position spaced therefrom in the high and low pressure tap piping.

    Abstract translation: 提供一种用于文丘里流喷嘴的超声波清洗装置和方法,其安装在流体中流过的流体管中。 该装置包括安装在文丘里流喷嘴入口上游的开口中的多个超声换能器。 换能器将超声波直接发射到流经文丘里管喷嘴的流体中,从而激发流过文丘里管喷嘴的流体,并产生清洁喷嘴的空化。 附加的传感器优选地设置在文丘里管喷嘴的喉部区域中。 在替代实施例中,换能器安装在与文氏管流喷嘴相关联的高压和低压抽头中,使得换能器将超声波直接传输到流入高压和低压抽头的流体中。 换能器可以与管或文氏管流动喷嘴的内部齐平地安装,或者换能器可以安装在与高压和低压抽头管道隔开的位置。

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