公开(公告)号：US06477021B1

公开(公告)日：2002-11-05

申请号：US09468736

申请日：1999-12-21

Applicant: Andy A. Haun ,  Brian G. Grattan ,  Kon B. Wong ,  Robert F. Dvorak ,  Gary W. Scott

Inventor： Andy A. Haun ,  Brian G. Grattan ,  Kon B. Wong ,  Robert F. Dvorak ,  Gary W. Scott

IPC: H02H300

CPC classification number: H01H71/125 ,  H01H2083/201 ,  H01H2300/03 ,  H02H1/0015 ,  H02H1/0061 ,  H02H1/04 ,  H02H1/06 ,  H02H3/105 ,  H02H3/44 ,  Y02B70/3241 ,  Y02B90/224 ,  Y04S20/14 ,  Y04S20/227

Abstract: A system for determining whether arcing is present in an electrical circuit includes a sensor for monitoring a current waveform in the electrical circuit, and an arc fault detection circuit which determines whether an arc fault is present in response to the sensor. The arc fault detection circuit includes a controller which produces a trip signal in response to a determination that an arcing fault is present in the electrical circuit, and an inhibit/blocking function for preventing the production of the trip signal under one or more predetermined conditions.

Abstract translation: 用于确定电路中是否存在电弧的系统包括用于监测电路中的电流波形的传感器，以及电弧故障检测电路，其确定响应于传感器是否存在电弧故障。 电弧故障检测电路包括响应于在电路中存在电弧故障的确定产生跳闸信号的控制器，以及用于防止在一个或多个预定条件下产生跳闸信号的禁止/阻断功能。

公开(公告)号：US06377427B1

公开(公告)日：2002-04-23

申请号：US09466424

申请日：1999-12-17

Applicant: Andy A. Haun ,  Robert F. Dvorak ,  Brett E. Larson ,  Brian Grattan ,  Kon B Wong

Inventor： Andy A. Haun ,  Robert F. Dvorak ,  Brett E. Larson ,  Brian Grattan ,  Kon B Wong

IPC: H02H300

CPC classification number: H01H71/125 ,  H01H2083/201 ,  H01R13/6666 ,  H02H1/0015 ,  H02H1/06 ,  H02H3/105 ,  H02H3/44

Abstract: An arcing fault protection assembly in an electrical outlet, and a corresponding method determine whether arcing is present in circuits connected to the outlet. The assembly comprises a sensor, a broadband noise circuit, and a controller. The sensor detects a current and develops a corresponding sensor signal. The broadband noise circuit determines the presence of broadband noise in the sensor signal and produces a corresponding output signal. The controller processes the sensor signal and the output signal in a predetermined fashion to determine whether an arcing fault is present. The sensor, broadband noise circuit, and controller are mounted to the outlet receptacle or to an outlet box which houses the receptacle.

Abstract translation: 电气插座中的电弧故障保护组件，并且相应的方法确定连接到插座的电路中是否存在电弧。 组件包括传感器，宽带噪声电路和控制器。 传感器检测电流并形成相应的传感器信号。 宽带噪声电路确定传感器信号中宽带噪声的存在并产生相应的输出信号。 控制器以预定方式处理传感器信号和输出信号，以确定是否存在电弧故障。 传感器，宽带噪声电路和控制器安装在出口插座或容纳插座的插座盒上。

公开(公告)号：US07345860B2

公开(公告)日：2008-03-18

申请号：US11326012

申请日：2006-01-05

Applicant: Kon B. Wong

Inventor： Kon B. Wong

IPC: H02H3/16

CPC classification number: H02H1/0015 ,  H02H3/44 ,  H02H3/50

Abstract: A method and system for determining whether arcing is present in an electrical circuit. The methods includes sensing a change in an alternating current in the circuit and developing a corresponding input signal, analyzing the input signal to determine the presence of broadband noise in a predetermined range of frequencies, and producing a corresponding output signal. The method further includes determining a type of load connected to the electrical circuit, based at least in part upon the input signal and the output signal, incrementing one or more of a plurality of counters in a predetermined fashion in accordance with the input signal and the output signal and determining whether an arcing fault is present based at least in part on the states of one or more of a plurality of counters. The method also includes decrementing one or more of the plurality of counters based upon a secondary analysis.

Abstract translation: 一种用于确定电弧中是否存在电路的方法和系统。 这些方法包括感测电路中交流电的变化并开发相应的输入信号，分析输入信号以确定在预定频率范围内的宽带噪声的存在，并产生相应的输出信号。 该方法还包括至少部分地基于输入信号和输出信号来确定连接到电路的负载类型，根据输入信号以预定方式递增多个计数器中的一个或多个， 至少部分地基于多个计数器中的一个或多个的状态来确定是否存在电弧故障。 该方法还包括基于次级分析递减多个计数器中的一个或多个。

公开(公告)号：US07253637B2

公开(公告)日：2007-08-07

申请号：US11225293

申请日：2005-09-13

Applicant: Robert F. Dvorak ,  Kon B. Wong

Inventor： Robert F. Dvorak ,  Kon B. Wong

IPC: G01R31/08 ,  G01R31/12 ,  H01H9/50

CPC classification number: G01R31/024 ,  H02H1/0015 ,  H02H3/44

Abstract: In order to determine whether arcing is present in an electrical circuit, a sensor signal corresponding to current in said electrical circuit is processed. The sensor signal is filtered to determine the presence of noise in a predetermined frequency range and produce a corresponding filtered signal. The corresponding filtered signal is compared to a reference threshold voltage to generate an output signal potentially indicative of arcing. A selection is made of one from a plurality of available threshold voltages as the reference threshold voltage for use in the comparing operation. The detection operation supports either or both branch feeder arc fault detection and/or series arc fault detection.

Abstract translation: 为了确定电路中是否存在电弧，处理对应于所述电路中的电流的传感器信号。 对传感器信号进行滤波以确定预定频率范围内的噪声的存在并产生相应的滤波信号。 将相应的滤波信号与参考阈值电压进行比较，以产生潜在地指示电弧放电的输出信号。 从多个可用阈值电压中选择一个作为用于比较操作的参考阈值电压。 检测操作支持分支馈线电弧故障检测和/或串联电弧故障检测中的任一个或两个。

公开(公告)号：US07136265B2

公开(公告)日：2006-11-14

申请号：US10436671

申请日：2003-05-13

Applicant: Kon B. Wong ,  Gary W. Scott ,  Robert F. Dvorak

Inventor： Kon B. Wong ,  Gary W. Scott ,  Robert F. Dvorak

IPC: H02H9/08

CPC classification number: H02H1/0015 ,  G01R31/14 ,  H02H3/44

Abstract: A method and system for determining whether arcing is present in an electrical circuit includes sensing a change in an alternating current in the circuit and developing a corresponding input signal, analyzing the input signal to determine the presence of broadband noise in a predetermined range of frequencies, and producing a corresponding output signal, and processing the input signal and the output signal in a predetermined fashion to determine whether an arcing fault is present in the circuit. The processing includes determining a type of load connected to the electrical circuit, based at least in part upon the input signal and the output signal, and monitoring high frequency noise in a 20 KHz band for each ⅛ cycle of the alternating current.

Abstract translation: 一种用于确定电弧中是否存在电路的方法和系统包括感测电路中的交流电的变化并开发相应的输入信号，分析输入信号以确定在预定频率范围内宽带噪声的存在， 并产生相应的输出信号，并以预定方式处理输入信号和输出信号，以确定电路中是否存在电弧故障。 该处理包括至少部分地基于输入信号和输出信号来确定连接到电路的负载类型，以及在每个1/8周期的交流电流下监测20KHz频带中的高频噪声。

公开(公告)号：US06567250B1

公开(公告)日：2003-05-20

申请号：US09469869

申请日：1999-12-22

Applicant: Andy A. Haun ,  Robert F. Dvorak ,  Brett E. Larson ,  Brian Grattan ,  Kon B Wong

Inventor： Andy A. Haun ,  Robert F. Dvorak ,  Brett E. Larson ,  Brian Grattan ,  Kon B Wong

IPC: H02H300

CPC classification number: H01H71/125 ,  H01H2083/201 ,  H01H2300/03 ,  H02H1/0015 ,  H02H1/06 ,  H02H3/105 ,  H02H3/16 ,  H02H3/44 ,  Y02B70/3241 ,  Y02B90/224 ,  Y04S20/14 ,  Y04S20/227

Abstract: An arcing fault protection assembly in an electrical device, and corresponding methods determine whether arcing is present in the device. The assembly comprises a sensor, a broadband noise circuit, and a controller. The sensor detects a current and develops a corresponding sensor signal. The broadband noise circuit determines the presence of broadband noise in the sensor signal and produces a corresponding output signal. The controller processes the sensor signal and the output signal in a predetermined fashion to determine whether an arcing fault is present. The sensor, broadband noise circuit, and controller are mounted to the device.

Abstract translation: 电气设备中的电弧故障保护组件，并且相应的方法确定设备中是否存在电弧。 组件包括传感器，宽带噪声电路和控制器。 传感器检测电流并形成相应的传感器信号。 宽带噪声电路确定传感器信号中宽带噪声的存在并产生相应的输出信号。 控制器以预定方式处理传感器信号和输出信号，以确定是否存在电弧故障。 传感器，宽带噪声电路和控制器安装在设备上。

公开(公告)号：US06218844B1

公开(公告)日：2001-04-17

申请号：US09213082

申请日：1998-12-16

Applicant: Kon B. Wong ,  Charles D. Bettis

Inventor： Kon B. Wong ,  Charles D. Bettis

IPC: G01R3114

CPC classification number: G01R31/3336 ,  G01R31/3272

Abstract: An arcing fault circuit interrupter testing method includes the steps of producing a simulated line to neutral arcing fault signal comprising a relatively large di/dt signal, applying the signal to a branch circuit, and producing an observable indication of operation or lack of operation of an arcing fault circuit interrupter in the branch circuit in response to the simulated line to neutral arcing fault signal. A test apparatus carries out the method.

Abstract translation: 电弧故障电路断续器测试方法包括以下步骤：产生包括相对较大的di / dt信号的模拟线路到中性点电弧故障信号，将信号施加到分支电路，并产生可观察到的操作指示或缺少操作的指示 在分支电路中的电弧故障电路中断器响应于模拟线路到中性点电弧故障信号。 测试装置执行该方法。