公开(公告)号：US08471702B2

公开(公告)日：2013-06-25

申请号：US12976255

申请日：2010-12-22

Applicant: Ravi Yoganatha Babu ,  Vinay Bhaskar Jammu ,  Achalesh Kumar Pandey ,  Sudhanshu Rai

Inventor： Ravi Yoganatha Babu ,  Vinay Bhaskar Jammu ,  Achalesh Kumar Pandey ,  Sudhanshu Rai

IPC: G08B21/00 ,  G08B17/00 ,  G01L7/00 ,  G01M15/00 ,  G01K1/08

CPC classification number: F04B51/00 ,  F02C9/00 ,  F05D2260/80 ,  G01M15/14

Abstract: A method for monitoring the health of a compressor of a gas turbine is disclosed. The method includes receiving a plurality of turbine data points, wherein the plurality of turbine data points may include one or more operating parameters, at least one of a computer discharge temperature (CTD), and one or more performance parameters. The plurality of turbine data points may be categorized based on the one or more operating parameters. A statistical variability measure of at least one of the CTD and the one or more performance parameters may be computed for each of the plurality of bands. An alarm indicator may be computed based on the at least one statistical variability measure. The method may also include combining two or more of the operating parameters, the CTD and the performance parameters using sensor fusion techniques. The alarm indicator may be computed based on the combined parameters.

Abstract translation: 公开了一种用于监测燃气轮机的压缩机的健康状况的方法。 该方法包括接收多个涡轮数据点，其中多个涡轮数据点可以包括一个或多个运行参数，计算机排放温度（CTD）和一个或多个性能参数中的至少一个。 可以基于一个或多个操作参数对多个涡轮数据点进行分类。 可以为多个频带中的每个频带计算CTD和一个或多个性能参数中的至少一个的统计变异性度量。 可以基于至少一个统计变异性度量来计算报警指示符。 该方法还可以包括使用传感器融合技术组合两个或多个操作参数，CTD和性能参数。 可以基于组合的参数来计算报警指示符。

公开(公告)号：US08344676B2

公开(公告)日：2013-01-01

申请号：US12817260

申请日：2010-06-17

Applicant: Vinodh Kumar Bandaru ,  Jeffrey James Andritz ,  James Daniel Antalek ,  Krishna Swamy Cherukuri ,  Daniel James Fitzmorris ,  Anthony James George ,  Nicola Piccirillo ,  Sudhanshu Rai

Inventor： Vinodh Kumar Bandaru ,  Jeffrey James Andritz ,  James Daniel Antalek ,  Krishna Swamy Cherukuri ,  Daniel James Fitzmorris ,  Anthony James George ,  Nicola Piccirillo ,  Sudhanshu Rai

IPC: G01R31/02

CPC classification number: H02K9/24 ,  G01M3/22 ,  G01M3/28 ,  H02K5/124 ,  H02K9/20

Abstract: Detection of, among other things, seal leakage(s) and/or seal oil contamination for a gas cooled generator are provided. Detectors according to some embodiments of the invention provide mechanisms of early detection of cooling gas, e.g., hydrogen, leakage through leakage sources as well as low purity and high cooling gas consumption problems in a gas cooled generator.

Abstract translation: 提供了检测气体冷却发电机的密封泄漏和/或密封油污染等。 根据本发明的一些实施例的检测器提供了早期检测冷却气体例如氢气，通过泄漏源的泄漏以及气体冷却发电机中的低纯度和高冷却气体消耗问题的机制。

公开(公告)号：US08129873B2

公开(公告)日：2012-03-06

申请号：US12754010

申请日：2010-04-05

Applicant: Sudhanshu Rai ,  Nicola Piccirillo ,  Subrat Kumar Sahoo ,  Ravikumar Sandrana

Inventor： Sudhanshu Rai ,  Nicola Piccirillo ,  Subrat Kumar Sahoo ,  Ravikumar Sandrana

IPC: H02K9/24 ,  H02H7/06

CPC classification number: H02K9/24 ,  G01K13/02 ,  G01K2013/026 ,  H02K9/08 ,  H02K11/25

Abstract: A coolant flow reduction monitoring system for a rotary electric machine having stator coils within a plurality of slots of a stator thereof is provided. The stator coils are cooled by a coolant flowing in a plurality of passages provided in the stator coils. The system includes an outlet temperature sensor for measuring a coolant outlet temperature of the coolant in an outlet of at least one of the plurality of passages, a slot temperature sensor for measuring a temperature in at least one slot at a location along a length of each slot and outside of the stator coils, and an inlet temperature sensor for measuring a coolant inlet temperature of the coolant. A coolant flow reduction monitor generates an alarm indicating a coolant flow reduction based on the at least one coolant outlet temperature, the at least one slot temperature and the coolant inlet temperature.

Abstract translation: 提供一种用于旋转电机的冷却剂流量减少监测系统，其具有在其定子的多个狭槽内的定子线圈。 定子线圈由设置在定子线圈中的多个通道中流动的冷却剂冷却。 该系统包括出口温度传感器，用于测量多个通道中的至少一个的出口中的冷却剂的冷却剂出口温度;槽温度传感器，用于测量沿着每个通道的长度的位置处的至少一个槽中的温度 槽和定子线圈外部，以及用于测量冷却剂的冷却剂入口温度的入口温度传感器。 冷却剂流量减少监视器基于至少一个冷却剂出口温度，至少一个槽温度和冷却剂入口温度产生指示冷却剂流量减少的报警。

公开(公告)号：US20110241458A1

公开(公告)日：2011-10-06

申请号：US12754010

申请日：2010-04-05

Applicant: Sudhanshu Rai ,  Nicola Piccirillo ,  Subrat Kumar Sahoo ,  Ravikumar Sandrana

Inventor： Sudhanshu Rai ,  Nicola Piccirillo ,  Subrat Kumar Sahoo ,  Ravikumar Sandrana

IPC: H02K9/24 ,  H02K11/00 ,  H02H7/08 ,  G06F19/00

CPC classification number: H02K9/24 ,  G01K13/02 ,  G01K2013/026 ,  H02K9/08 ,  H02K11/25

Abstract: A coolant flow reduction monitoring system for a rotary electric machine having stator coils within a plurality of slots of a stator thereof is provided. The stator coils are cooled by a coolant flowing in a plurality of passages provided in the stator coils. The system includes an outlet temperature sensor for measuring a coolant outlet temperature of the coolant in an outlet of at least one of the plurality of passages, a slot temperature sensor for measuring a temperature in at least one slot at a location along a length of each slot and outside of the stator coils, and an inlet temperature sensor for measuring a coolant inlet temperature of the coolant. A coolant flow reduction monitor generates an alarm indicating a coolant flow reduction based on the at least one coolant outlet temperature, the at least one slot temperature and the coolant inlet temperature.

Abstract translation: 提供一种用于旋转电机的冷却剂流量减少监测系统，其具有在其定子的多个狭槽内的定子线圈。 定子线圈由设置在定子线圈中的多个通道中流动的冷却剂冷却。 该系统包括出口温度传感器，用于测量多个通道中的至少一个的出口中的冷却剂的冷却剂出口温度;槽温度传感器，用于测量沿着每个通道的长度的位置处的至少一个槽中的温度 槽和定子线圈外部，以及用于测量冷却剂的冷却剂入口温度的入口温度传感器。 冷却剂流量减少监视器基于至少一个冷却剂出口温度，至少一个槽温度和冷却剂入口温度产生指示冷却剂流量减少的报警。

公开(公告)号：US20100161245A1

公开(公告)日：2010-06-24

申请号：US12340777

申请日：2008-12-22

Applicant: Sudhanshu Rai ,  Vinay Bhaskar Jammu ,  Vivek Venugopal Badami ,  Achalesh Kumar Pandey ,  Rahul Srinivas Prabhu ,  Ajay Kumar Behera ,  Aninda Bhattacharya ,  Venkatesh Rajagopalan ,  Nidhi Naithani

Inventor： Sudhanshu Rai ,  Vinay Bhaskar Jammu ,  Vivek Venugopal Badami ,  Achalesh Kumar Pandey ,  Rahul Srinivas Prabhu ,  Ajay Kumar Behera ,  Aninda Bhattacharya ,  Venkatesh Rajagopalan ,  Nidhi Naithani

IPC: G06F19/00

CPC classification number: F01D21/003 ,  F05D2230/80 ,  G05B23/0221 ,  G05B23/0235 ,  G05B23/0245

Abstract: A system for rotor blade health monitoring include time of arrival (TOA) sensors and a controller comprising a processor configured for obtaining TOA signals indicative of times of arrival of rotating rotor blades from the respective TOA sensors and for determining initial features from the TOA signals; and a feature level fuser configured for fusing the initial features received from the processor for use in evaluating health of the rotating rotor blades.

Abstract translation: 一种用于转子叶片健康监测的系统包括到达时间（TOA）传感器和包括处理器的控制器，该处理器被配置为获得指示来自相应TOA传感器的旋转转子叶片到达时间的TOA信号，并且用于从TOA信号确定初始特征; 以及功能级别熔化器，其被配置用于融合从处理器接收的初始特征，以用于评估旋转的转子叶片的健康状况。

公开(公告)号：US08571830B2

公开(公告)日：2013-10-29

申请号：US12824270

申请日：2010-06-28

Applicant: Debasis Bal ,  Paul August Quail ,  Sudhanshu Rai ,  Larry Weldon Dill

Inventor： Debasis Bal ,  Paul August Quail ,  Sudhanshu Rai ,  Larry Weldon Dill

IPC: G21C17/00

CPC classification number: G01R31/343

Abstract: A system, method and computer program product for predicting collector flashover is disclosed. The method includes receiving a frame of measured data from a data acquisition system, fitting a statistical model to the measured data wherein the measured data includes a plurality of measured variables measured at multiple time instances. The statistical model and the measured data are used for estimating one or more parameters for the frame wherein the one or more parameters include at least one of field circuit impedance and field current noise. A flashover is predicted based, at least in part, upon the one or more estimated parameter for the frame.

Abstract translation: 公开了一种用于预测集电器闪络的系统，方法和计算机程序产品。 该方法包括从数据采集系统接收测量数据的帧，将统计模型拟合到测量数据，其中测量数据包括在多个时间实例测量的多个测量变量。 统计模型和测量数据用于估计帧的一个或多个参数，其中一个或多个参数包括场电路阻抗和场电流噪声中的至少一个。 至少部分地基于帧的一个或多个估计参数来预测闪络。

公开(公告)号：US07411404B2

公开(公告)日：2008-08-12

申请号：US11608389

申请日：2006-12-08

Applicant: Sudhanshu Rai

Inventor： Sudhanshu Rai

IPC: G01R31/14

CPC classification number: G01R31/346 ,  G01R31/343

Abstract: A system, apparatus, and method (10) for detecting an electrical short condition in a dynamoelectric machine are described. The method includes determining an operating parameter of a dynamoelectric machine (14) responsive to at least one output signal of the dynamoelectric machine and providing a transfer function (16) for predicting a field current of dynamoelectric machine. The method also includes obtaining a value for a predicted field current (18) of the dynamoelectric machine from the transfer function and the operating parameter and identifying a shorted turn condition of the dynamoelectric machine responsive to a difference between the value of the predicted field current and a value of an actual field current of the dynamoelectric machine (24).

Abstract translation: 描述了一种用于检测电动机中电气短路的系统，装置和方法（10）。 该方法包括响应于电动机的至少一个输出信号确定电动机（14）的操作参数，并提供用于预测电动机的励磁电流的传递函数（16）。 该方法还包括根据传递函数和运行参数获得电动机的预测励磁电流（18）的值，并根据预测的励磁电流的值和 电动机（24）的实际励磁电流的值。

公开(公告)号：US08450984B2

公开(公告)日：2013-05-28

申请号：US12915105

申请日：2010-10-29

Applicant: Ravikumar Sandrana ,  Sudhanshu Rai

Inventor： Ravikumar Sandrana ,  Sudhanshu Rai

IPC: G05B13/02

CPC classification number: G01R31/343 ,  H02P29/66

Abstract: A system and method for diagnosis and prognosis of thermal sensitivity in a rotor of an electrical machine. A first system is provided for evaluating thermal sensitivity in a rotor of an electrical machine and includes: an input system for obtaining vibration data and field current from the rotor and for obtaining a set of operating parameter; a system for calculating a relationship between vibration and field current; an evaluation system for determining whether the relationship is significant; and a system for issuing a notification of thermal sensitivity in response to a determination of a significant relationship. A second system includes a system for calculating a series of relationships between vibration and field current over a period of time; an evaluation system for determining whether a change in the series of relationships over the period of time is significant; and a system for issuing a notification of thermal sensitivity in response to a determination of a significant change in the series of relationships.

Abstract translation: 一种用于诊断和预测电机转子热敏感性的系统和方法。 提供了一种用于评估电机的转子中的热敏感性的第一系统，并且包括：用于从转子获得振动数据和励磁电流并用于获得一组操作参数的输入系统; 用于计算振动和励磁电流之间的关系的系统; 用于确定关系是否重要的​​评估系统; 以及响应于确定重要关系而发出热敏感性通知的系统。 第二系统包括用于在一段时间内计算振动和励磁电流之间的一系列关系的系统; 用于确定一段时间内的一系列关系的变化是否显着的评估系统; 以及响应于所述一系列关系中的显着变化的确定而发出热敏感性通知的系统。

公开(公告)号：US20120161965A1

公开(公告)日：2012-06-28

申请号：US12976255

申请日：2010-12-22

Applicant: Ravi Yoganatha Babu ,  Vinay Bhaskar Jammu ,  Achalesh Kumar Pandey ,  Sudhanshu Rai

Inventor： Ravi Yoganatha Babu ,  Vinay Bhaskar Jammu ,  Achalesh Kumar Pandey ,  Sudhanshu Rai

IPC: G08B21/00

CPC classification number: F04B51/00 ,  F02C9/00 ,  F05D2260/80 ,  G01M15/14

Abstract: A method for monitoring the health of a compressor of a gas turbine is disclosed. The method includes receiving a plurality of turbine data points, wherein the plurality of turbine data points may include one or more operating parameters, at least one of a computer discharge temperature (CTD), and one or more performance parameters. The plurality of turbine data points may be categorized based on the one or more operating parameters. A statistical variability measure of at least one of the CTD and the one or more performance parameters may be computed for each of the plurality of bands. An alarm indicator may be computed based on the at least one statistical variability measure. The method may also include combining two or more of the operating parameters, the CTD and the performance parameters using sensor fusion techniques. The alarm indicator may be computed based on the combined parameters.

Abstract translation: 公开了一种用于监测燃气轮机的压缩机的健康状况的方法。 该方法包括接收多个涡轮数据点，其中多个涡轮数据点可以包括一个或多个运行参数，计算机排放温度（CTD）和一个或多个性能参数中的至少一个。 可以基于一个或多个操作参数对多个涡轮数据点进行分类。 可以为多个频带中的每个频带计算CTD和一个或多个性能参数中的至少一个的统计变异性度量。 可以基于至少一个统计变异性度量来计算报警指示符。 该方法还可以包括使用传感器融合技术组合两个或多个操作参数，CTD和性能参数。 可以基于组合的参数来计算报警指示符。

公开(公告)号：US20120105021A1

公开(公告)日：2012-05-03

申请号：US12915105

申请日：2010-10-29

Applicant: Ravikumar Sandrana ,  Sudhanshu Rai

Inventor： Ravikumar Sandrana ,  Sudhanshu Rai

IPC: G01R31/34

CPC classification number: G01R31/343 ,  H02P29/66

Abstract: A system and method for diagnosis and prognosis of thermal sensitivity in a rotor of an electrical machine. A first system is provided for evaluating thermal sensitivity in a rotor of an electrical machine and includes: an input system for obtaining vibration data and field current from the rotor and for obtaining a set of operating parameter; a system for calculating a relationship between vibration and field current; an evaluation system for determining whether the relationship is significant; and a system for issuing a notification of thermal sensitivity in response to a determination of a significant relationship. A second system includes a system for calculating a series of relationships between vibration and field current over a period of time; an evaluation system for determining whether a change in the series of relationships over the period of time is significant; and a system for issuing a notification of thermal sensitivity in response to a determination of a significant change in the series of relationships.

Abstract translation: 一种用于诊断和预测电机转子热敏感性的系统和方法。 提供了一种用于评估电机的转子中的热敏感性的第一系统，并且包括：用于从转子获得振动数据和励磁电流并用于获得一组操作参数的输入系统; 用于计算振动和励磁电流之间的关系的系统; 用于确定关系是否重要的​​评估系统; 以及响应于确定重要关系而发出热敏感性通知的系统。 第二系统包括用于在一段时间内计算振动和励磁电流之间的一系列关系的系统; 用于确定一段时间内的一系列关系的变化是否显着的评估系统; 以及响应于所述一系列关系中的显着变化的确定而发出热敏感性通知的系统。