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公开(公告)号：US20090168277A1
公开(公告)日：2009-07-02
申请号：US11965888
申请日：2007-12-28
IPC分类号： H02H3/00
CPC分类号： H02H1/0015 , H02H1/0092
摘要： A circuit interrupter for interrupting alternating current electrical signal on a line conductor of a circuit feeding a load, including: an electrical contact in operatively connected in series with the line conductor; a trip mechanism for selectively opening the electrical contact when activated; a current sensor connected in series with the line conductor for obtaining a sample alternating current electrical signal from the circuit feeding the load; a microprocessor in electrical communication with the trip mechanism and comprising a series arc fault detection program resident thereon; the series arc detection program comprising a discrete wavelet transform for determining the presence of a series arc fault current in the circuit feeding the load; wherein, when the discrete wavelet transform determines the presence of a series arc fault, the microprocessors signals the trip mechanism to activate and open the electrical contact in operatively connected in series with the line conductor.
摘要翻译： 一种用于中断馈电负载的电路的线路导体上的交流电信号的电路断路器，包括：与所述线路导体串联操作地连接的电触点; 用于当激活时选择性地打开电触点的跳闸机构; 与线路导体串联连接的电流传感器，用于从馈电负载的电路得到样品交流电信号; 与所述跳闸机构电通信并包括驻留在其上的串联故障检测程序的微处理器; 所述串联电弧检测程序包括用于确定在馈送负载的电路中存在串联电弧故障电流的离散小波变换; 其中，当所述离散小波变换确定串联电弧故障的存在时，所述微处理器向所述跳闸机构发出信号以激活并打开与所述线路导体串联操作地连接的所述电触头。
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公开(公告)号：US20090171603A1
公开(公告)日：2009-07-02
申请号：US11965885
申请日：2007-12-28
IPC分类号： G06F19/00
CPC分类号： G01R31/1227 , G01R31/025 , H02H1/0015 , H02H1/0092
摘要： A method of detecting a series arc fault in an alternating current electrical signal is provided. A method for detecting a series arc fault in an alternating current electrical signal, comprising: a) calculating discrete wavelet coefficients using a current signal as an input for the discrete wavelet coefficient calculations, and outputting discrete wavelet coefficient filtered output; b) subsampling the discrete wavelet coefficient filtered output and outputting a subsampled output; c) calculating critical variables from the subsampled output; d) determining from the critical variables whether a series arc fault is present in the current signal; and e) outputting an signal indicating that a series arc fault is present in the current signal, if substantially all of the critical variables meet a predetermined criteria.
摘要翻译： 提供了一种在交流电信号中检测串联电弧故障的方法。 一种用于检测交流电信号中的串联电弧故障的方法，包括：a）使用当前信号作为离散小波系数计算的输入来计算离散小波系数，并输出离散小波系数滤波输出; b）对离散小波系数滤波输出进行子采样并输出子采样输出; c）从子采样输出计算关键变量; d）从关键变量确定电流信号中是否存在串联电弧故障; 以及e）如果基本上所有关键变量满足预定标准，则输出指示当前信号中存在串联电弧故障的信号。
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公开(公告)号：US08207742B2
公开(公告)日：2012-06-26
申请号：US12347570
申请日：2008-12-31
摘要： An improved method to detect and locate electrical faults is provided. A method of operating a circuit breaker in an electrical circuit configured with at least one of a first main circuit breaker at a first layer of circuit protection having a first direction of current flow, and at least one second circuit breaker downstream of said at least one first main circuit breaker having a second direction of current flow, and at least one third circuit breaker downstream of said at least one second circuit breaker having a third direction of current flow, wherein one of said at least one first, second, or third circuit breakers is in short time pick-up, is provided, and comprises steps to determine the location of the fault and adjust the trip time delay of the circuit breakers according to predetermined criteria.
摘要翻译： 提供了一种检测和定位电气故障的改进方法。 一种在电路中操作断路器的方法，该电路配置有具有第一电流方向的第一电路保护层的第一主断路器和至少一个第二电路断路器 具有第二电流方向的第一主断路器以及具有第三电流方向的所述至少一个第二断路器下游的至少一个第三断路器，其中所述至少一个第一，第二或第三电路中的一个 断路器在短时间内提供，并且包括确定故障位置的步骤，并根据预定标准调节断路器的跳闸时间延迟。
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公开(公告)号：US08170816B2
公开(公告)日：2012-05-01
申请号：US12344772
申请日：2008-12-29
IPC分类号： G01R31/00
CPC分类号： H02H1/0015 , H02H1/0092 , H02H3/08
摘要： An apparatus to perform parallel arc fault current interruption (AFCI) is provided. The apparatus includes a current sensing device disposed in the electrical circuit, a detection unit configured to receive an output signal produced by the current sensing device and to output a secondary signal based on the output signal, a microcontroller coupled to the detection unit, configured to receive and to decompose the secondary signal via discrete wavelet transforms to thereby obtain discrete wavelet coefficients, to compute a sum of the discrete wavelet coefficients, and to compare the sum of the discrete wavelet coefficients to a predetermined threshold, and to generate a trip signal when the sensed load current is above a predetermined threshold and the sum of the discrete wavelet coefficients cooperatively indicate that predetermined threshold conditions are satisfied.
摘要翻译： 提供了一种并行电弧故障电流中断（AFCI）的设备。 该装置包括设置在电路中的电流感测装置，检测单元，被配置为接收由电流感测装置产生的输出信号并基于输出信号输出次级信号;耦合到检测单元的微控制器，被配置为 通过离散小波变换接收和分解辅助信号，从而获得离散小波系数，以计算离散小波系数的和，并将离散小波系数的和与预定阈值进行比较，并产生跳闸信号，当 感测的负载电流高于预定阈值，并且离散小波系数的和协同地指示满足预定的阈值条件。
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公开(公告)号：US08054591B2
公开(公告)日：2011-11-08
申请号：US12179114
申请日：2008-07-24
CPC分类号： H02H1/0015 , H02H1/0092
摘要： An apparatus to perform series and parallel arc fault current interruption (AFCI). The apparatus includes a resistive element configured to sense a load from which a current signal is generated, a first detection unit configured to output a first signal based on the current signal, and a microcontroller configured to decompose at least the first signal via discrete wavelet transforms to thereby obtain discrete wavelet coefficients, and to generate a trip signal when the discrete wavelet coefficients indicate that a threshold condition for trip signal generation are satisfied.
摘要翻译： 一种执行串联和并联电弧故障电流中断（AFCI）的设备。 该装置包括：电阻元件，被配置为感测产生电流信号的负载;第一检测单元，被配置为基于当前信号输出第一信号;以及微控制器，被配置为经由离散小波变换来分解至少第一信号 从而获得离散小波系数，并且当离散小波系数指示满足用于跳闸信号生成的阈值条件时产生跳闸信号。
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6.发明申请ARC DETECTION USING DETAILED AND APPROXIMATE COEFFICIENTS FROM DISCRETE WAVELET TRANSFORMS 有权使用离散小波变换的详细和大致系数的弧检测公开(公告)号：US20100157488A1
公开(公告)日：2010-06-24
申请号：US12341166
申请日：2008-12-22
IPC分类号： H02H3/08
CPC分类号： H02H1/0015 , H02H1/0092
摘要： An apparatus for facilitating interruption of current in an electrical circuit is provided and includes a current sensing device in the electrical circuit to service an electrical load, the current sensing device being productive of an output signal representative of a load current passing therethrough, a detection unit, in signal communication with the current sensing device such that the output signal is received by the detection unit, the detection unit being configured and disposed to output a secondary signal based on the output signal, and a microcontroller to receive and to decompose the secondary signal into detailed and approximate coefficients, and to generate a trip signal for use in interrupting an operation of the electrical circuit when a current of the sensed load is above a predetermined threshold and the detailed and approximate coefficients cooperatively indicate that threshold conditions for trip signal generation are satisfied.
摘要翻译： 提供一种用于促进电路中的电流中断的装置，并且包括用于维持电负载的电路中的电流感测装置，所述电流感测装置产生代表通过其的负载电流的输出信号，检测单元 与所述电流检测装置进行信号通信，使得所述输出信号由所述检测单元接收，所述检测单元被配置和设置为基于所述输出信号输出辅助信号，以及微控制器，用于接收和分解所述辅助信号 成为详细的和近似的系数，并且当感测负载的电流高于预定阈值时产生用于中断电路的操作的跳闸信号，并且详细和近似系数协同地指示用于跳闸信号产生的阈值条件是 满意。
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7.发明授权Arc detection using detailed and approximate coefficients from discrete wavelet transforms 有权使用离散小波变换的详细和近似系数进行电弧检测公开(公告)号：US08159793B2
公开(公告)日：2012-04-17
申请号：US12341166
申请日：2008-12-22
IPC分类号： H02H3/00
CPC分类号： H02H1/0015 , H02H1/0092
摘要： An apparatus for facilitating interruption of current in an electrical circuit is provided and includes a current sensing device in the electrical circuit to service an electrical load, the current sensing device being productive of an output signal representative of a load current passing therethrough, a detection unit, in signal communication with the current sensing device such that the output signal is received by the detection unit, the detection unit being configured and disposed to output a secondary signal based on the output signal, and a microcontroller to receive and to decompose the secondary signal into detailed and approximate coefficients, and to generate a trip signal for use in interrupting an operation of the electrical circuit when a current of the sensed load is above a predetermined threshold and the detailed and approximate coefficients cooperatively indicate that threshold conditions for trip signal generation are satisfied.
摘要翻译： 提供一种用于促进电路中的电流中断的装置，并且包括用于维持电负载的电路中的电流感测装置，所述电流感测装置产生代表通过其的负载电流的输出信号，检测单元 与所述电流检测装置进行信号通信，使得所述输出信号由所述检测单元接收，所述检测单元被配置和设置为基于所述输出信号输出辅助信号，以及微控制器，用于接收和分解所述辅助信号 成为详细的和近似的系数，并且当感测负载的电流高于预定阈值时产生用于中断电路的操作的跳闸信号，并且详细和近似系数协同地指示用于跳闸信号产生的阈值条件是 满意。
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公开(公告)号：US20100164503A1
公开(公告)日：2010-07-01
申请号：US12347570
申请日：2008-12-31
IPC分类号： G01R31/08
摘要： An improved method to detect and locate electrical faults is provided. A method of operating a circuit breaker in an electrical circuit configured with at least one of a first main circuit breaker at a first layer of circuit protection having a first direction of current flow, and at least one second circuit breaker downstream of said at least one first main circuit breaker having a second direction of current flow, and at least one third circuit breaker downstream of said at least one second circuit breaker having a third direction of current flow, wherein one of said at least one first, second, or third circuit breakers is in short time pick-up, is provided, and comprises steps to determine the location of the fault and adjust the trip time delay of the circuit breakers according to predetermined criteria.
摘要翻译： 提供了一种检测和定位电气故障的改进方法。 一种在电路中操作断路器的方法，该电路配置有具有第一电流方向的第一电路保护层的第一主断路器和至少一个第二电路断路器 具有第二电流方向的第一主断路器以及具有第三电流方向的所述至少一个第二断路器下游的至少一个第三断路器，其中所述至少一个第一，第二或第三电路中的一个 断路器在短时间内提供，并且包括确定故障位置的步骤，并根据预定标准调节断路器的跳闸时间延迟。
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9.发明授权Power switching system including a micro-electromechanical system (MEMS) array 有权电力开关系统包括微机电系统（MEMS）阵列公开(公告)号：US08350509B2
公开(公告)日：2013-01-08
申请号：US12984338
申请日：2011-01-04
申请人： Pradeep Kumar Anand , Sriram Changali , John Kenneth Hooker , Remesh Kumar Keeramthode , Brent Charles Kumfer
发明人： Pradeep Kumar Anand , Sriram Changali , John Kenneth Hooker , Remesh Kumar Keeramthode , Brent Charles Kumfer
摘要： A switching system includes a plurality of diodes forming a diode bridge, and a micro-mechanical system (MEMS) switch array closely coupled to the plurality of diodes. The MEMS switch array is electrically connected in an (M×N) array. The (M×N) array includes a first MEMS switch leg electrically connected in parallel with a second MEMS switch leg. The first MEMS switch leg includes a first plurality of MEMS dies electrically connected in series, and the second MEMS switch leg includes a second plurality of MEMS dies electrically connected in series.
摘要翻译： 开关系统包括形成二极管桥的多个二极管和紧密耦合到多个二极管的微机电系统（MEMS）开关阵列。 MEMS开关阵列以（M-N）阵列电连接。 （M-N）阵列包括与第二MEMS开关腿并联电连接的第一MEMS开关支脚。 第一MEMS开关支路包括串联电连接的第一多个MEMS模具，第二MEMS开关支脚包括第二组多个MEMS模具，电连接在一起
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10.发明申请POWER SWITCHING SYSTEM INCLUDING A MICRO-ELECTROMECHANICAL SYSTEM (MEMS) ARRAY 有权包括微机电系统（MEMS）阵列的电源开关系统公开(公告)号：US20120169266A1
公开(公告)日：2012-07-05
申请号：US12984338
申请日：2011-01-04
申请人： Pradeep Kumar Anand , Sriram Changali , John Kenneth Hooker , Remesh Kumar Keeramthode , Brent Charles Kumfer
发明人： Pradeep Kumar Anand , Sriram Changali , John Kenneth Hooker , Remesh Kumar Keeramthode , Brent Charles Kumfer
摘要： A switching system includes a plurality of diodes forming a diode bridge, and a micro-mechanical system (MEMS) switch array closely coupled to the plurality of diodes. The MEMS switch array is electrically connected in an (M×N) array. The (M×N) array includes a first MEMS switch leg electrically connected in parallel with a second MEMS switch leg. The first MEMS switch leg includes a first plurality of MEMS dies electrically connected in series, and the second MEMS switch leg includes a second plurality of MEMS dies electrically connected in series.
摘要翻译： 开关系统包括形成二极管桥的多个二极管和紧密耦合到多个二极管的微机电系统（MEMS）开关阵列。 MEMS开关阵列以（M-N）阵列电连接。 （M-N）阵列包括与第二MEMS开关腿并联电连接的第一MEMS开关支脚。 第一MEMS开关支腿包括串联电连接的第一组多个MEMS模具，第二MEMS开关支脚包括第二组多个MEMS模具，电连接在一起
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