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1. 发明授权

US06757146B2 Instantaneous overcurrent element for heavily saturated current in a power system 有权
标题翻译：用于电力系统中严重饱和电流的瞬时过电流元件
公开(公告)号：US06757146B2
公开(公告)日：2004-06-29
申请号：US10160428
申请日：2002-05-31
申请人： Gabriel Benmouyal , Stanley E. Zocholl , Armando Guzman-Casillas
发明人： Gabriel Benmouyal , Stanley E. Zocholl , Armando Guzman-Casillas
IPC分类号： H02H300
CPC分类号： H02H1/046 , H02H1/0092
摘要： The instantaneous overcurrent element, used in a microprocessor-based protective relay for a power system, includes a finite impulse response filter which generally is a cosine filter and is responsive to the current waveform from the current transformer for fault determination unless the distortion in the current reaches a preselected threshold, at which point a peak detector circuit is used to provide the current magnitude values for fault determination.
摘要翻译：在用于电力系统的基于微处理器的保护继电器中使用的瞬时过电流元件包括有限脉冲响应滤波器，其通常是余弦滤波器，并且响应于来自电流互感器的电流波形用于故障确定，除非电流中的失真达到预选阈值，此时使用峰值检测器电路来提供用于故障确定的当前幅度值。

2. 发明申请

US20140236502A1 Electrical Power System Phase and Ground Protection Using an Adaptive Quadrilateral Characteristic 有权
标题翻译：使用自适应四边形特征的电力系统相位和地面保护
公开(公告)号：US20140236502A1
公开(公告)日：2014-08-21
申请号：US13772118
申请日：2013-02-20
申请人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
发明人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
IPC分类号： H02H1/00
CPC分类号： H02H1/0092 , H02H3/40
摘要： A quadrilateral distance module may be used to detect faults in an electrical power system. A resistive coverage of the quadrilateral distance module may be defined by an adaptive resistance blinder. The adaptive resistance blinder may be adapted to certain power system conditions, such as forward load flow and/or reverse load flow. A forward adaptive resistance blinder may be calculated in parallel with a reverse adaptive resistance blinder. The forward adaptive resistance blinder may use a polarizing quantity adapted for forward load flow conditions, and the reverse adaptive resistance blinder may use a polarizing quantity adapted for reverse load flow conditions. Fault detection may be performed by comparing both the forward and reverse adaptive resistance blinders to power system stimulus and detecting a fault when the stimulus satisfy either blinder.
摘要翻译：四边形距离模块可用于检测电力系统中的故障。四边形距离模块的电阻覆盖可以由自适应电阻阻挡器限定。自适应阻抗阻挡器可以适应于某些电力系统条件，例如正向负载流和/或反向负载流。可以与反向自适应阻抗阻挡器并联计算前向自适应阻抗阻挡器。前向自适应阻抗阻挡器可以使用适合于正向负载流动条件的极化量，并且反向自适应电阻阻挡器可以使用适于反向负载流动条件的极化量。故障检测可以通过将正向和反向自适应阻抗遮挡器与电力系统刺激进行比较并且当刺激满足阻塞物时检测故障来执行。

3. 发明申请

US20110068803A1 ELECTRICAL POWER SYSTEM PHASE AND GROUND PROTECTION USING AN ADAPTIVE QUADRILATERAL CHARACTERISTICS 有权
标题翻译：电力系统相位和接地保护采用自适应四极化特性
公开(公告)号：US20110068803A1
公开(公告)日：2011-03-24
申请号：US12885433
申请日：2010-09-17
申请人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
发明人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
IPC分类号： G01R31/14
CPC分类号： G01R31/40 , H02H3/402
摘要： A quadrilateral distance module may be used to detect faults in an electrical power system. A resistive coverage of the quadrilateral distance module may be defined by an adaptive resistance blinder. The adaptive resistance blinder may be adapted to certain power system conditions, such as forward load flow and/or reverse load flow. A forward adaptive resistance blinder may be calculated in parallel with a reverse adaptive resistance blinder. The forward adaptive resistance blinder may use a polarizing quantity adapted for forward load flow conditions, and the reverse adaptive resistance blinder may use a polarizing quantity adapted for reverse load flow conditions. Fault detection may comprise comparing both the forward and reverse adaptive resistance blinders to power system stimulus and detecting a fault when the stimulus satisfy either blinder.
摘要翻译：四边形距离模块可用于检测电力系统中的故障。四边形距离模块的电阻覆盖可以由自适应电阻阻挡器限定。自适应阻抗阻挡器可以适应于某些电力系统条件，例如正向负载流和/或反向负载流。可以与反向自适应阻抗阻挡器并联计算前向自适应阻抗阻挡器。前向自适应阻抗阻挡器可以使用适合于正向负载流动条件的极化量，并且反向自适应电阻阻挡器可以使用适于反向负载流动条件的极化量。故障检测可以包括将正向和反向自适应阻抗遮挡器与电力系统刺激进行比较，并且当刺激满足阻塞物时检测故障。

4. 发明授权

US09257827B2 Electrical power system phase and ground protection using an adaptive quadrilateral characteristic 有权
标题翻译：电力系统相位和接地保护采用自适应四边形特征
公开(公告)号：US09257827B2
公开(公告)日：2016-02-09
申请号：US13772118
申请日：2013-02-20
申请人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
发明人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
IPC分类号： H02H1/00 , H02H3/40
CPC分类号： H02H1/0092 , H02H3/40
摘要： A quadrilateral distance module may be used to detect faults in an electrical power system. A resistive coverage of the quadrilateral distance module may be defined by an adaptive resistance blinder. The adaptive resistance blinder may be adapted to certain power system conditions, such as forward load flow and/or reverse load flow. A forward adaptive resistance blinder may be calculated in parallel with a reverse adaptive resistance blinder. The forward adaptive resistance blinder may use a polarizing quantity adapted for forward load flow conditions, and the reverse adaptive resistance blinder may use a polarizing quantity adapted for reverse load flow conditions. Fault detection may be performed by comparing both the forward and reverse adaptive resistance blinders to power system stimulus and detecting a fault when the stimulus satisfy either blinder.
摘要翻译：四边形距离模块可用于检测电力系统中的故障。四边形距离模块的电阻覆盖可以由自适应电阻阻挡器限定。自适应阻抗阻挡器可以适应于某些电力系统条件，例如正向负载流和/或反向负载流。可以与反向自适应阻抗阻挡器并联计算前向自适应阻抗阻挡器。前向自适应阻抗阻挡器可以使用适合于正向负载流动条件的极化量，并且反向自适应电阻阻挡器可以使用适于反向负载流动条件的极化量。故障检测可以通过将正向和反向自适应阻抗遮挡器与电力系统刺激进行比较并且当刺激满足阻塞物时检测故障来执行。

5. 发明授权

US08410785B2 Electrical power system phase and ground protection using an adaptive quadrilateral characteristics 有权
标题翻译：电力系统相位和接地保护采用自适应四边形特性
公开(公告)号：US08410785B2
公开(公告)日：2013-04-02
申请号：US12885433
申请日：2010-09-17
申请人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
发明人： Jorge Fernando Calero , Armando Guzman-Casillas , Gabriel Benmouyal
IPC分类号： G01R31/14
CPC分类号： G01R31/40 , H02H3/402
摘要： A quadrilateral distance module may be used to detect faults in an electrical power system. A resistive coverage of the quadrilateral distance module may be defined by an adaptive resistance blinder. The adaptive resistance blinder may be adapted to certain power system conditions, such as forward load flow and/or reverse load flow. A forward adaptive resistance blinder may be calculated in parallel with a reverse adaptive resistance blinder. The forward adaptive resistance blinder may use a polarizing quantity adapted for forward load flow conditions, and the reverse adaptive resistance blinder may use a polarizing quantity adapted for reverse load flow conditions. Fault detection may be performed by comparing both the forward and reverse adaptive resistance blinders to power system stimulus and detecting a fault when the stimulus satisfy either blinder.
摘要翻译：四边形距离模块可用于检测电力系统中的故障。四边形距离模块的电阻覆盖可以由自适应电阻阻挡器限定。自适应阻抗阻挡器可以适应于某些电力系统条件，例如正向负载流和/或反向负载流。可以与反向自适应阻抗阻挡器并联计算前向自适应阻抗阻挡器。前向自适应阻抗阻挡器可以使用适合于正向负载流动条件的极化量，并且反向自适应电阻阻挡器可以使用适于反向负载流动条件的极化量。故障检测可以通过将正向和反向自适应阻抗遮挡器与电力系统刺激进行比较并且当刺激满足阻塞物时检测故障来执行。

6. 发明授权

US06662124B2 Protective relay with synchronized phasor measurement capability for use in electric power systems 有权
标题翻译：具有同步相量测量能力的保护继电器用于电力系统
公开(公告)号：US06662124B2
公开(公告)日：2003-12-09
申请号：US10124858
申请日：2002-04-17
申请人： Edmund O. Schweitzer, III , Luther S. Anderson , Armando Guzman-Casillas , Gregary C. Zweigle , Gabriel Benmouyal
发明人： Edmund O. Schweitzer, III , Luther S. Anderson , Armando Guzman-Casillas , Gregary C. Zweigle , Gabriel Benmouyal
IPC分类号： G01R1902
CPC分类号： H02H1/0007 , H02H3/40
摘要： The relay system obtains voltage and current values from a power line and uses a first sampling element to sample the voltage and current values at selected intervals of time. The resulting sampled signals are used for power system-wide protection, control, monitoring and metering. The sampled signals are then resampled at a rate which is a selected multiple of the power system frequency. The results of the resampling are used by processing circuitry for protection functions including fault determinations.
摘要翻译：继电器系统从电力线获得电压和电流值，并使用第一采样元件在选定的时间间隔对电压和电流值进行采样。所得到的采样信号用于电力系统范围的保护，控制，监测和计量。然后，采样信号以电力系统频率的选定倍数的速率重新采样。重采样的结果由处理电路用于保护功能，包括故障确定。

7. 发明授权

US07582986B2 Compensated inverse-time undervoltage load shedding systems 有权
标题翻译：补偿反时限欠压负载脱落系统
公开(公告)号：US07582986B2
公开(公告)日：2009-09-01
申请号：US10961425
申请日：2004-10-08
申请人： Ralph W Folkers , Jeffrey B Roberts , Edmund O Schweitzer, III , Armando Guzman-Casillas , Gabriel Benmouyal
发明人： Ralph W Folkers , Jeffrey B Roberts , Edmund O Schweitzer, III , Armando Guzman-Casillas , Gabriel Benmouyal
IPC分类号： G05D11/16 , H02J3/14
CPC分类号： H02J3/14 , Y02B70/3225 , Y04S20/222 , Y04S20/224 , Y10T307/469
摘要： Provided is a compensated inverse-time undervoltage load shedding system and method for use in an electrical power system. The compensated inverse-time undervoltage load shedding system includes a compensation element for determining a compensated value and an inverse-time undervoltage element operatively coupled to the compensation element and enabled based on the compensated value. When enabled, the inverse-time undervoltage element calculates a load shedding time delay value based on the compensated value, and determines a load shedding signal based on the load shedding time delay value. An associated load of the electrical power system is shed based on the load shedding signal. The compensation element may determine the compensated value using a voltage magnitude, a rate-of-change of power system voltage over time, a weighted rate-of-change of power system voltage over time, a current magnitude, a weighted current magnitude, and an impedance phasor value, to name a few.
摘要翻译：提供一种用于电力系统的补偿逆时间欠压负载脱落系统和方法。补偿的反时限欠压负载脱落系统包括用于确定补偿值的补偿元件和可操作地耦合到补偿元件的反时限欠压元件，并且基于补偿值使能。启用时，反时限欠压元件根据补偿值计算负载脱落时间延迟值，并根据负载脱落时间延迟值确定负载脱落信号。基于负载脱落信号，切断电力系统的相关负载。补偿元件可以使用电压幅度，电力系统电压随时间的变化率，电力系统电压随时间的加权变化率，电流幅度，加权电流幅度和阻抗相量值，仅举几例。

8. 发明授权

US06603298B2 System for estimating the frequency of the power signal on a power transmission line 有权
标题翻译：用于估计输电线路上的功率信号的频率的系统
公开(公告)号：US06603298B2
公开(公告)日：2003-08-05
申请号：US09900105
申请日：2001-07-06
申请人： Armando Guzman-Casillas , Gabriel Benmouyal
发明人： Armando Guzman-Casillas , Gabriel Benmouyal
IPC分类号： G01R2302
CPC分类号： G01R23/02 , H02H1/0007 , H02H1/04 , H02H3/12
摘要： The system obtains the three phase voltages on the power line VA, VB and VC, either from a local primary or local alternative source. The selected local source voltages are then applied through switches, respectively, which are normally closed but are open in the event that the associated pole of each voltage phase is open. The voltages from the closed switches are applied to a calculating circuit which produces a composite of the three voltages in accordance with a preselected formula. The composite voltage output is then normalized and applied to a conventional frequency determination (estimating) circuit. This output is an accurate system frequency for use by the protective relay.
摘要翻译：该系统从本地主要或本地备用电源获得电源线VA，VB和VC上的三相电压。然后分别通过开关施加选择的本地电源电压，开关通常是闭合的，但是在每个电压相位的相关极点断开的情况下是断开的。来自闭合开关的电压被施加到计算电路，其根据预选公式产生三个电压的复合。然后将复合电压输出归一化并应用于传统的频率确定（估计）电路。该输出是保护继电器使用的精确系统频率。

9. 发明授权

US06356421B1 System for power transformer differential protection 有权
标题翻译：电力变压器差动保护系统
公开(公告)号：US06356421B1
公开(公告)日：2002-03-12
申请号：US09450808
申请日：1999-11-29
申请人： Armando Guzman-Casillas , Hector Altuve-Ferrer , Stanley E. Zocholl , Gabriel Benmouyal
发明人： Armando Guzman-Casillas , Hector Altuve-Ferrer , Stanley E. Zocholl , Gabriel Benmouyal
IPC分类号： H02H704
CPC分类号： H02H7/045 , H02H1/043 , H02H3/52
摘要： Current transformer (CT) secondary currents for the windings of a power transformer are used to produce a differential current. An operating current value is obtained from the differential current value. A restraining current value is obtained from processed winding current values. Second and fourth harmonic values of the differential current are obtained and are summed with a restraining current quantity which is a result of the restraining current multiplied by a slope characteristic factor. If the operating current value is greater than the sum of the restraining current quantity and the second and fourth harmonic values, an output signal is produced which may be used as a trip signal unless it is blocked by selected blocking signals generated by another portion of the system.
摘要翻译：用于电力变压器绕组的电流互感器（CT）二次电流用于产生差分电流。从差动电流值获得工作电流值。从处理的绕组电流值获得约束电流值。获得差分电流的二次和四次谐波值，并将其作为抑制电流乘以斜率特性因子的结果的约束电流量相加。如果工作电流值大于抑制电流量与第二和第四谐波值的和，则产生可被用作跳闸信号的输出信号，除非被所选择的阻塞信号系统。

10. 发明申请

US20110085272A1 Systems and Methods for Generator Ground Fault Protection 有权
标题翻译：发电机接地故障保护系统与方法
公开(公告)号：US20110085272A1
公开(公告)日：2011-04-14
申请号：US12903104
申请日：2010-10-12
申请人： Edmund O. Schweitzer, III , Veselin Skendzic , Gabriel Benmouyal , Bruce A. Hall , Rogerio Scharlach
发明人： Edmund O. Schweitzer, III , Veselin Skendzic , Gabriel Benmouyal , Bruce A. Hall , Rogerio Scharlach
IPC分类号： H02H3/16
CPC分类号： H02H3/17 , H02H7/06
摘要： A generator winding-to-ground fault detection system is disclosed that includes a signal injection source in electrical communication with a winding of an electric power generator via an injection transformer. The winding may be coupled to ground via a winding-to-ground path and the signal generation source may generate an injection signal capable of being injected to the winding using the injection transformer. The disclosed system may further include a protection module in communication with the signal injection source and the electric power generator configured to receive the injection signal and a signal relating to the current through the winding-to-ground path, and to determine the occurrence of a winding-to-ground fault condition based at least in part on the injection signal and the signal relating to the current through the winding-to-ground path.
摘要翻译：公开了一种发电机绕组到地面故障检测系统，其包括经由注入变压器与发电机的绕组电连通的信号注入源。绕组可以经由绕线对地路径耦合到地，并且信号发生源可以产生能够使用注入变压器注入到绕组的注入信号。所公开的系统还可以包括与信号注入源通信的保护模块和被配置为接收注入信号的电力发生器和与通过绕组对地路径的电流相关的信号，并且确定至少部分地基于注入信号和与通过绕线对地路径的电流相关的信号的绕组到地的故障条件。

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