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1. 发明授权

US08129873B2 Stator coil coolant flow reduction monitoring 有权
标题翻译：定子线圈冷却液流量减少监控
公开(公告)号：US08129873B2
公开(公告)日：2012-03-06
申请号：US12754010
申请日：2010-04-05
申请人： Sudhanshu Rai , Nicola Piccirillo , Subrat Kumar Sahoo , Ravikumar Sandrana
发明人： Sudhanshu Rai , Nicola Piccirillo , Subrat Kumar Sahoo , Ravikumar Sandrana
IPC分类号： H02K9/24 , H02H7/06
CPC分类号： H02K9/24 , G01K13/02 , G01K2013/026 , H02K9/08 , H02K11/25
摘要： 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.
摘要翻译：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。

2. 发明申请

US20110241458A1 STATOR COIL COOLANT FLOW REDUCTION MONITORING 有权
标题翻译：定子线圈冷却液流量减少监测
公开(公告)号：US20110241458A1
公开(公告)日：2011-10-06
申请号：US12754010
申请日：2010-04-05
申请人： Sudhanshu Rai , Nicola Piccirillo , Subrat Kumar Sahoo , Ravikumar Sandrana
发明人： Sudhanshu Rai , Nicola Piccirillo , Subrat Kumar Sahoo , Ravikumar Sandrana
IPC分类号： H02K9/24 , H02K11/00 , H02H7/08 , G06F19/00
CPC分类号： H02K9/24 , G01K13/02 , G01K2013/026 , H02K9/08 , H02K11/25
摘要： 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.
摘要翻译：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。

3. 发明授权

US08450984B2 Diagnosis and prognosis of rotor thermal sensitivity 有权
标题翻译：转子热敏感性的诊断和预后
公开(公告)号：US08450984B2
公开(公告)日：2013-05-28
申请号：US12915105
申请日：2010-10-29
申请人： Ravikumar Sandrana , Sudhanshu Rai
发明人： Ravikumar Sandrana , Sudhanshu Rai
IPC分类号： G05B13/02
CPC分类号： G01R31/343 , H02P29/66
摘要： 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.
摘要翻译：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。

4. 发明申请

US20120105021A1 DIAGNOSIS AND PROGNOSIS OF ROTOR THERMAL SENSITIVITY 有权
标题翻译：转子热敏感性的诊断和预处理
公开(公告)号：US20120105021A1
公开(公告)日：2012-05-03
申请号：US12915105
申请日：2010-10-29
申请人： Ravikumar Sandrana , Sudhanshu Rai
发明人： Ravikumar Sandrana , Sudhanshu Rai
IPC分类号： G01R31/34
CPC分类号： G01R31/343 , H02P29/66
摘要： 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.
摘要翻译：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。

5. 发明申请

US20120078578A1 MONITORING AND DIAGNOSING GENERATOR OPERATION 有权
标题翻译：监测和诊断发电机运行
公开(公告)号：US20120078578A1
公开(公告)日：2012-03-29
申请号：US12892211
申请日：2010-09-28
申请人： Nicola Piccirillo , Narayanan Urupuniakavu Madam , Sudhanshu Rai , Ganesh Kumar Chandira Ramappa
发明人： Nicola Piccirillo , Narayanan Urupuniakavu Madam , Sudhanshu Rai , Ganesh Kumar Chandira Ramappa
IPC分类号： G06F15/00
CPC分类号： G01R31/343 , G05B23/0229
摘要： A tool for evaluating operation of a generator is provided. Diagnostic data is obtaining from a sensor in a generator. An associated computer system evaluates the diagnostic data to determine whether an anomaly exists in the data. If an anomaly exists, the computer system can provide a fault code that indicates a nature of an error in the generator that caused the anomaly.
摘要翻译：提供了一种用于评估发电机运行的工具。诊断数据是从发生器中的传感器获得的。相关联的计算机系统评估诊断数据以确定数据中是否存在异常。如果存在异常，则计算机系统可以提供指示发生器中引起异常的错误的性质的故障代码。

6. 发明申请

US20110278209A1 LIQUID PRESSURE MONITORING 审中-公开
标题翻译：液压监测
公开(公告)号：US20110278209A1
公开(公告)日：2011-11-17
申请号：US12778529
申请日：2010-05-12
申请人： Dileep Kumar Kana Padinharu , Vasudev Shankar Nilajkar , Nicola Piccirillo , Sudhanshu Rai , Chandan Sikdar
发明人： Dileep Kumar Kana Padinharu , Vasudev Shankar Nilajkar , Nicola Piccirillo , Sudhanshu Rai , Chandan Sikdar
IPC分类号： B01D35/143 , B01D35/02
CPC分类号： H02K9/24
摘要： A liquid pressure monitoring system for a circuit of a machine is provided. The system includes a flow meter configured to measure a flow rate of liquid flowing through the circuit, the circuit including a strainer and a cooling section, at least one sensor configured to measure a pressure of at least one portion of the circuit; and a monitoring component for generating an alarm, in response to a value based on the measured pressure exceeding an expected pressure drop, wherein the expected pressure drop is based on the flow rate and at least one flow coefficient.
摘要翻译：提供了一种用于机器电路的液压监测系统。该系统包括流量计，该流量计被配置为测量流过该回路的液体的流量，该电路包括一个过滤器和一个冷却部分，至少一个传感器被配置为测量电路的至少一部分的压力; 以及用于响应于基于所测量的压力超过预期压降的值而产生报警的监测部件，其中所述预期压降基于所述流量和至少一个流量系数。

7. 发明申请

US20110309780A1 SEAL LEAKAGE AND SEAL OIL CONTAMINATION DETECTION IN GENERATOR 有权
标题翻译：密封泄漏和密封发生器中的油污染检测
公开(公告)号：US20110309780A1
公开(公告)日：2011-12-22
申请号：US12817260
申请日：2010-06-17
申请人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
发明人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
IPC分类号： H02K9/24 , H02K9/08
CPC分类号： H02K9/24 , G01M3/22 , G01M3/28 , H02K5/124 , H02K9/20
摘要： 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.
摘要翻译：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。

8. 发明申请

US20110308300A1 SEAL LEAKAGE AND SEAL OIL CONTAMINATION DETECTION IN GENERATOR 有权
标题翻译：密封泄漏和密封发生器中的油污染检测
公开(公告)号：US20110308300A1
公开(公告)日：2011-12-22
申请号：US12985092
申请日：2011-01-05
申请人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
发明人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
IPC分类号： G01M3/26 , G01M3/32
CPC分类号： G01M3/22 , G01M3/28 , H02K5/124 , H02K9/20 , H02K9/24
摘要： In an embodiment, a system includes: a casing for surrounding at least a portion of a rotor, and enclosing a volume of a cooling gas thereabout, the casing including a plurality of static seals; an end housing at each end of the casing, each end housing including a seal system through which the rotor extends, wherein a portion of cooling gas escapes from the casing to at least one seal area; and a source of cooling gas fluidly coupled to the casing by a cooling gas regulator. The system may further include: a scavenging system coupled to each end housing for removing a gas mixture therefrom including a portion of escaping cooling gas; a sensor for determining a purity of the cooling gas in the casing; and a static seal leak detector that generates an alarm indicative of a leak in at least one of the plurality of static seals.
摘要翻译：在一个实施例中，系统包括：壳体，用于围绕转子的至少一部分，并且在其周围包围一定体积的冷却气体，所述壳体包括多个静态密封件; 在壳体的每个端部处的端部壳体，每个端部壳体包括密封系统，转子延伸穿过该密封系统，其中一部分冷却气体从壳体逸出到至少一个密封区域; 以及通过冷却气体调节器流体地联接到壳体的冷却气体源。该系统可以进一步包括：清除系统，其耦合到每个端部壳体，用于从其中除去其中的气体混合物，其中包括一部分逸出的冷却气体; 用于确定壳体中的冷却气体的纯度的传感器; 以及静密封泄漏检测器，其产生指示所述多个静态密封件中的至少一个中的泄漏的报警。

9. 发明授权

US08344676B2 Seal leakage and seal oil contamination detection in generator 有权
标题翻译：发电机密封泄漏和密封油污染检测
公开(公告)号：US08344676B2
公开(公告)日：2013-01-01
申请号：US12817260
申请日：2010-06-17
申请人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
发明人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
IPC分类号： G01R31/02
CPC分类号： H02K9/24 , G01M3/22 , G01M3/28 , H02K5/124 , H02K9/20
摘要： 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.
摘要翻译：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。

10. 发明授权

US08564237B2 Seal leakage and seal oil contamination detection in generator 有权
标题翻译：发电机密封泄漏和密封油污染检测
公开(公告)号：US08564237B2
公开(公告)日：2013-10-22
申请号：US12985092
申请日：2011-01-05
申请人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
发明人： Vinodh Kumar Bandaru , Jeffrey James Andritz , James Daniel Antalek , Krishna Swamy Cherukuri , Daniel James Fitzmorris , Anthony James George , Nicola Piccirillo , Sudhanshu Rai
IPC分类号： G01R31/02 , H02H3/04 , H02H7/08
CPC分类号： G01M3/22 , G01M3/28 , H02K5/124 , H02K9/20 , H02K9/24
摘要： In an embodiment, a system includes: a casing for surrounding at least a portion of a rotor, and enclosing a volume of a cooling gas thereabout, the casing including a plurality of static seals; an end housing at each end of the casing, each end housing including a seal system through which the rotor extends, wherein a portion of cooling gas escapes from the casing to at least one seal area; and a source of cooling gas fluidly coupled to the casing by a cooling gas regulator. The system may further include: a scavenging system coupled to each end housing for removing a gas mixture therefrom including a portion of escaping cooling gas; a sensor for determining a purity of the cooling gas in the casing; and a static seal leak detector that generates an alarm indicative of a leak in at least one of the plurality of static seals.
摘要翻译：在一个实施例中，系统包括：壳体，用于围绕转子的至少一部分，并且在其周围包围一定体积的冷却气体，所述壳体包括多个静态密封件; 在壳体的每个端部处的端部壳体，每个端部壳体包括密封系统，转子延伸穿过该密封系统，其中一部分冷却气体从壳体逸出到至少一个密封区域; 以及通过冷却气体调节器流体地联接到壳体的冷却气体源。该系统可以进一步包括：清除系统，其耦合到每个端部壳体，用于从其中除去其中的气体混合物，其中包括一部分逸出的冷却气体; 用于确定壳体中的冷却气体的纯度的传感器; 以及静密封泄漏检测器，其产生指示所述多个静态密封件中的至少一个中的泄漏的报警。

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