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1. 发明申请

WO2015184120A1 SYSTEM AND METHOD FOR PULSED GROUND FAULT DETECTION AND LOCALIZATION 审中-公开
标题翻译：用于脉冲接地故障检测和定位的系统和方法
公开(公告)号：WO2015184120A1
公开(公告)日：2015-12-03
申请号：PCT/US2015/032941
申请日：2015-05-28
申请人： EATON CORPORATION
发明人： DIMINO, Steven Andrew , LOUCKS, David Glenn , WOLFE, Robert Thomas
IPC分类号： G01R27/20 , G01R19/02
CPC分类号： G01R31/088 , G01R31/025 , G01R31/086 , H02H3/17 , Y04S10/522
摘要： A system for locating a ground fault in a high resistance grounded (HRG) power distribution system includes a pulsing circuit configured to introduce a pulse current into the distribution system and current sensors adapted to monitor three-phase current signals present on conductors of the distribution system, with the current sensors positioned on a number of distribution networks included in the HRG power distribution system and at a protective device included on each respective distribution network. A processor associated with each protective device receives signals from the current sensors for identifying a location of the ground fault in the HRG power distribution system, with the processor associated with each protective device receiving measurements of the three-phase current signals from the current sensors over a plurality of cycles and identifying a pattern of interest in the three-phase current signals across the plurality of cycles in order to detect a ground fault.
摘要翻译：用于在高电阻接地（HRG）配电系统中定位接地故障的系统包括脉冲电路，其被配置为将脉冲电流引入分配系统中，并且电流传感器适于监测存在于配电系统的导体上的三相电流信号其中，电流传感器位于包括在HRG配电系统中的多个分配网络上，并且包括在每个相应分配网络上的保护装置上。与每个保护装置相关联的处理器从电流传感器接收信号，用于识别HRG配电系统中接地故障的位置，处理器与每个保护装置相关联，接收来自电流传感器的三相电流信号的测量结果多个周期并且识别多个周期内的三相电流信号中的感兴趣模式，以便检测接地故障。

2. 发明申请

WO2015153440A1 SYSTEM AND METHOD FOR DETECTING, LOCALIZING AND QUANTIFYING EXCESS VOLTAGE DROP IN THREE-PHASE AC CIRCUITS 审中-公开
标题翻译：用于检测，定位和量化三相交流电路中过电压降的系统和方法
公开(公告)号：WO2015153440A1
公开(公告)日：2015-10-08
申请号：PCT/US2015/023305
申请日：2015-03-30
申请人： EATON CORPORATION
发明人： SHARMA, Santosh Kumar , CHOUDHARY, Rahul , ZHOU, Xin , DIMINO, Steven Andrew
IPC分类号： G01R31/02 , G01R31/08 , H02J3/26
CPC分类号： G01R31/086 , G01R31/088 , H02H3/253 , H02H3/382 , H02J3/26 , Y02E40/50 , Y04S10/522
摘要： A system and method for detecting and localizing excess voltage drop in single or multiple phases of three-phase AC circuits is disclosed. An electrical distribution circuit is provided that includes an input connectable to an AC source, an output connectable to terminals of an electrical machine, the output configured to provide three-phase voltages and currents to the electrical machine, and a diagnostic system configured to detect an excess voltage drop (EVD) in the electrical distribution circuit. The diagnostic system includes a processor that is programmed to receive measurements of the three-phase voltages and currents provided to the electrical machine, compute a negative sequence voltage from the three-phase voltages and currents, determine a localization reference phase angle for each phase based in part on the three-phase voltages and currents, and calculate an EVD in the electrical distribution circuit based on the negative sequence voltage and the localization reference phase angles.
摘要翻译：公开了用于检测和定位三相AC电路的单相或多相过剩电压降的系统和方法。提供了一种配电电路，其包括可连接到AC电源的输入端，可连接到电机端子的输出端，所述输出被配置为向所述电机提供三相电压和电流;以及诊断系统，被配置为检测配电电路中的过电压降（EVD）。诊断系统包括处理器，其被编程为接收提供给电机的三相电压和电流的测量值，从三相电压和电流计算负序电压，确定每相基于的定位参考相位角部分地基于三相电压和电流，并且基于负序电压和定位参考相位角计算配电电路中的EVD。

3. 发明申请

WO2015184047A1 SYSTEM AND METHOD FOR INDUCTION MOTOR SPEED ESTIMATION USING A SOFT STARTER SYSTEM 审中-公开
标题翻译：使用软启动器系统的感应电机速度估计的系统和方法
公开(公告)号：WO2015184047A1
公开(公告)日：2015-12-03
申请号：PCT/US2015/032802
申请日：2015-05-28
申请人： EATON CORPORATION
发明人： WU, Dongxiao , LEQUESNE, Bruno Patrice-Bernard , HUA, Yahan , BHAVARAJU, Vijay , WOODLEY, Kaijam M. , DIMINO, Steven Andrew
IPC分类号： H02P6/18 , H02P1/42
CPC分类号： H02P1/26 , H02P1/029 , H02P6/182 , H02P23/14 , H02P2207/01
摘要： A system and method for estimating operating characteristics of an induction motor is disclosed. The system includes a motor control device that is electrically connectable between a motor and a power source. The motor control device includes a plurality of switching devices comprising at least one thyristor corresponding to a respective phase of the motor. The motor control device also includes a controller programmed to disconnect the power source from the motor for a predetermined time period following a first plurality of cycles of a mains phase voltage of the power source. The controller is further programmed to measure a back-emf voltage during the predetermined time period, estimate an operating characteristic of the motor from the measured back-emf voltage, and trigger the plurality of switching devices to reconnect the power source to the motor following estimation of the operating characteristic.
摘要翻译：公开了一种用于估计感应电动机的操作特性的系统和方法。该系统包括可在电动机和电源之间电连接的电动机控制装置。电动机控制装置包括多个开关装置，其包括与电动机的相应相对应的至少一个晶闸管。电动机控制装置还包括被编程为在电源的电源相电压的第一多个周期之后的预定时间段内断开电源与电动机的控制器。控制器进一步被编程为在预定时间段期间测量反电动势电压，从所测量的反电动势电压估计电动机的工作特性，并且触发多个开关装置以根据估计将电源重新连接到电动机的操作特性。

4. 发明申请

WO2015153444A1 SYSTEM AND METHOD FOR DETECTING, LOCALIZING, AND QUANTIFYING STATOR WINDING FAULTS IN AC MOTORS 审中-公开
标题翻译：用于检测，定位和定量交流电机定子绕组故障的系统和方法
公开(公告)号：WO2015153444A1
公开(公告)日：2015-10-08
申请号：PCT/US2015/023309
申请日：2015-03-30
申请人： EATON CORPORATION
发明人： SHARMA, Santosh Kumar , CHOUDHARY, Rahul , DIMINO, Steven Andrew
IPC分类号： H02P29/02
CPC分类号： G01R31/346 , G01R19/0046 , H02P29/0243 , H02P2207/01
摘要： A system and method for detecting, localizing and quantifying stator winding faults in AC electrical machines is disclosed. A diagnostic system configured to detect a stator winding fault in an AC electrical machine includes a processor programmed to receive measurements of three-phase voltages and currents provided to the AC electrical machine from voltage and current sensors associated with the electrical distribution circuit, compute positive, negative and zero sequence components of voltage and current from the three-phase voltages and currents, and calculate a fault severity index (FSI) based on at least a portion of the positive, negative and zero sequence components of voltage and current, wherein calculating the FSI further comprises identifying a voltage gain in one or more phases of the AC electrical machine due to a stator winding fault and localizing the stator winding fault to one or more phases in the AC electrical machine.
摘要翻译：公开了一种用于检测，定位和定量交流电机定子绕组故障的系统和方法。配置成检测AC电机中的定子绕组故障的诊断系统包括处理器，其被编程为从与配电电路相关联的电压和电流传感器接收提供给AC电机的三相电压和电流的测量值，基于三相电压和电流的电压和电流的负序和零序分量，并且基于电压和电流的正，负和零序分量的至少一部分来计算故障严重度指数（FSI），其中计算 FSI还包括由于定子绕组故障在AC电机的一个或多个相中识别电压增益，并将定子绕组故障定位到AC电机中的一个或多个相位。

5. 发明申请

WO2018111581A1 SYSTEM AND METHOD FOR DETECTING STATOR FAULTS IN AC ELECTRICAL MACHINES 审中-公开
公开(公告)号：WO2018111581A1
公开(公告)日：2018-06-21
申请号：PCT/US2017/064399
申请日：2017-12-04
申请人： EATON CORPORATION
发明人： SHARMA, Santosh Kumar , PANI, Abhilash , DIMINO, Steven Andrew , VERHEYEN, Mark Alan
IPC分类号： G01R31/34 , G01R25/04
摘要： A system and method for detecting a phase-to-ground fault in an AC electrical machine operates to receive measurements of three-phase voltages and currents provided to the AC electrical machine, compute at least one of a zero sequence component and a negative sequence component of voltage and current from the three-phase voltages and currents, and calculate a fault severity index (FSI) based on the zero or negative sequence component of voltage and current, so as to identify a phase-to-ground fault in the AC electrical machine. Calculating the FSI further includes determining a total value of the zero or negative sequence current, determining a noise-contributed value of the zero or negative sequence current included in the total value, determining a compensated value of the zero or negative sequence current based on the total value and the noise-contributed value, and calculating the FSI based on the compensated value.

6. 发明申请

WO2017035058A1 SYSTEM AND METHOD FOR AUTOMATIC HIGH RESISTANCE GROUND PULSE ACTIVATION AND DETECTION 审中-公开
标题翻译：用于自动高电阻接地脉冲激活和检测的系统和方法
公开(公告)号：WO2017035058A1
公开(公告)日：2017-03-02
申请号：PCT/US2016/047985
申请日：2016-08-22
申请人： EATON CORPORATION
发明人： LOUCKS, David Glenn , WOLFE, Robert Thomas , DIMINO, Steven Andrew , HRNCIR, Daniel Edward , MORT, Deborah Kaltwasser , BURKLE, Alec Dane
IPC分类号： G01R31/02 , G01R19/165 , G01R19/25
CPC分类号： G01R31/08 , G01R31/025 , H02H3/162 , H02H3/165 , H02H3/17
摘要： A system for locating a ground fault in an HRG power distribution system includes an HRG pulsing system having a ground fault sensor to detect a ground fault, a pulsing contactor to introduce a pulsing current into the power distribution system, and a controller to control the pulsing contactor to introduce the pulsing current into the power distribution system in response to a ground fault detection by the ground fault sensor. Current sensors in the power distribution system monitor three-phase current signals on conductors of the power distribution system, with the current sensors positioned on distribution networks in the power distribution system and at a protection device included on each respective distribution network. A processor associated with each protection device and operably connected to the current sensors thereat receives signals from the current sensors for identifying a location of a ground fault in the power distribution system.
摘要翻译：用于定位HRG配电系统中的接地故障的系统包括具有接地故障传感器以检测接地故障的HRG脉冲系统，用于将脉冲电流引入配电系统的脉冲接触器，以及控制器，用于控制脉冲接触器响应于接地故障传感器的接地故障检测，将脉冲电流引入配电系统。配电系统中的电流传感器监测配电系统的导线上的三相电流信号，电流传感器位于配电系统中的配电网络和每个相应配电网络上的保护装置上。与每个保护装置相关联并且可操作地连接到其上的电流传感器的处理器从电流传感器接收信号，用于识别配电系统中接地故障的位置。

7. 发明申请

WO2015099992A2 SOFT STARTER SYSTEM AND METHOD OF OPERATING SAME 审中-公开
标题翻译：软启动器系统及其操作方法
公开(公告)号：WO2015099992A2
公开(公告)日：2015-07-02
申请号：PCT/US2014/069189
申请日：2014-12-09
申请人： EATON CORPORATION
发明人： HUA, Yahan , WU, Dongxiao , LEQUESNE, Bruno Patrice-Bernard , KLAPSTEIN, David Lee , DIMINO, Steven Andrew , WOODLEY, Kaijam M.
IPC分类号： H02P1/26
CPC分类号： H02P1/26 , H02P1/04 , H02P23/14
摘要： A system and method for automatically defining and tuning operating parameters for a motor control device with minimal or no operator input is disclosed. The system includes a motor control device electrically connectable to an AC motor and a controller that is programmed to define a motor start-up function based on a rated current of the motor, the motor start-up function comprising an initial torque factor and an initial ramp time. The controller also triggers switching devices of the motor according to the motor start-up function to inject current into the motor during a first trial run, monitors operating conditions of the motor and motor control device during the first trial run, modifies the motor start-up function based on the monitored operating conditions, and triggers the plurality of switching devices according to the modified motor start-up function to inject current into the motor during a subsequent trial run.
摘要翻译：公开了一种用于以最小操作者输入或无操作者输入自动定义和调整电动机控制装置的操作参数的系统和方法。该系统包括可电连接到AC电动机的电动机控制装置和被编程为基于电动机的额定电流定义电动机起动功能的控制器，电动机起动功能包括初始转矩因数和初始值斜坡时间。控制器还根据电动机启动功能触发电动机的开关装置，以在第一次试运行期间向电动机注入电流，在第一次试运行期间监控电动机和电动机控制装置的运行状况，修改电动机启动功能，并根据所监视的操作条件产生启动功能，并且根据修改的电动机启动功能触发多个开关装置，以在随后的试运行期间向电动机注入电流。

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