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1. 发明授权

US4152640A Two phase high voltage insulation testing of multiphase windings 失效
标题翻译：多相绕组双相高压绝缘测试
公开(公告)号：US4152640A
公开(公告)日：1979-05-01
申请号：US836173
申请日：1977-09-23
申请人： William G. Craig
发明人： William G. Craig
IPC分类号： G01R31/06 , G01R31/12
CPC分类号： G01R31/346
摘要： Insulated multiphase electrical windings are tested by applying to both ends of one phase, a positive DC voltage for a fixed period of time and simultaneously to another phase an equal negative DC voltage is applied for the same fixed period of time and all remaining phases are grounded. The application of the positive and negative DC voltages is repeated until each phase of the multiphase windings has been tested with both a positive and negative voltage.
摘要翻译：绝缘多相电绕组通过施加一相两端，正直流电压固定一段时间并同时到另一相，在相同的固定时间段内施加相等的负直流电压，所有剩余相接地。重复正，负直流电压的应用，直到已经用正电压和负电压测试多相绕组的每相。

2. 发明授权

US4698756A Generator stator winding diagnostic system 失效
标题翻译：发电机定子绕组诊断系统
公开(公告)号：US4698756A
公开(公告)日：1987-10-06
申请号：US755513
申请日：1985-07-16
申请人： Avelino J. Gonzalez , Franklin J. Murphy , Franklin T. Emery , Perry A. Weyant , William G. Craig
发明人： Avelino J. Gonzalez , Franklin J. Murphy , Franklin T. Emery , Perry A. Weyant , William G. Craig
IPC分类号： G01K1/02 , G01R31/06 , G01R31/34 , H02K9/24 , H02K11/00 , G01K3/02 , G01K7/02 , G01K13/00 , G06F15/36
CPC分类号： G01R31/346 , G01K1/026 , G01R31/34 , H02K9/24 , Y10S706/911 , Y10S706/915
摘要： A diagnostic system for an electrical generator winding which has first and second passages for conduction of cooling gas. The temperature of the gas exiting the passages is determined and converted to a normalized value which may be either high, low or normal. A diagnostic computer determines the existence of predetermined combinations of high, low or normal for the two readings and these predetermined combinations are utilized by the computer which generates respective confidence factors in the existence of certain abnormal generator conditions such as open conductors, broken or blocked cooling gas passages, and sensor malfunctions, by way of example.
摘要翻译：一种用于发电机绕组的诊断系统，其具有用于传导冷却气体的第一和第二通道。离开通道的气体的温度被确定并转换成可以是高，低或正常的归一化值。诊断计算机确定两个读数的高，低或正常的预定组合的存在，并且这些预定组合由计算机使用，计算机在存在某些异常发生器条件（诸如开放导体，断开或阻塞冷却气体通道和传感器故障。

3. 发明授权

US4602872A Temperature monitoring system for an electric generator 失效
标题翻译：发电机温度监控系统
公开(公告)号：US4602872A
公开(公告)日：1986-07-29
申请号：US698488
申请日：1985-02-05
申请人： Franklin T. Emery , William G. Craig , Franklin J. Murphy
发明人： Franklin T. Emery , William G. Craig , Franklin J. Murphy
IPC分类号： H02K11/00 , G01K1/02 , G01K3/02 , G05B23/02 , H02K9/24 , G01K13/00
CPC分类号： G01K3/02 , G01K1/026
摘要： A generator having stator windings which are water cooled includes a plurality of sensors each for measuring the temperature of cooling water as it is discharged from respective sections of the stator windings and prior to its collection in a common manifold. The outputs of the sensors are combined to obtain an average reading and during an initialization process, each sensor reading is subtracted from the average to derive a correction factor for that particular sensor, for that particular average. The generator is operated so that other averages are selected for the calculation of other sensor correction factors. When operating on line, the correction factors are utilized to obtain a value for a percent of average coil temperature in accordance with the relationship: ##EQU1## where T is the temperature indication provided by the sensor, AVG is the average of all of the sensor readings, and CF is the appropriate correction factor for that sensor for that average.
摘要翻译：具有水冷定子绕组的发电机包括多个传感器，每个传感器用于在冷却水从定子绕组的相应部分排出并且在其收集在公共歧管中之前测量冷却水的温度。传感器的输出被组合以获得平均读数，并且在初始化过程期间，从平均值中减去每个传感器读数，以为该特定平均值导出该特定传感器的校正因子。操作发电机，以便选择其他平均值来计算其他传感器校正因子。当在线运行时，利用校正因子根据以下关系获得平均线圈温度百分比的值：

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