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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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2.发明授权System and method for power sharing of front-end converters without communication link in a modular-stacked DC transmission system 有权在模块化堆叠式直流输电系统中，无通信链路的前端转换器的功率共享系统和方法公开(公告)号：US08624431B2
公开(公告)日：2014-01-07
申请号：US13035936
申请日：2011-02-26
IPC分类号： H02J3/14
CPC分类号： H02M5/4585 , H02J3/36 , H02M2001/008 , Y02E60/60 , Y10T307/414
摘要： A sub-sea power transmission/distribution network includes a plurality of standard proven power converter building blocks on each of the power source side and the sub-sea load side. The power source side converters and the sub-sea load side converters are each configured to provide a modular stacked dc (MSDC) converter architecture. The power source side converters are further configured to share the load equally or in proportion to their individual power ratings. The configurations are based on corresponding droop curves representative of MSDC link current magnitude data and average output voltage data of the power source side converters.
摘要翻译： 海底电力传输/分配网络包括在电源侧和海底负载侧的多个标准验证的电力转换器构建块。 电源侧转换器和海底负载侧转换器各自配置为提供模块化堆叠直流（MSDC）转换器架构。 电源侧转换器进一步被配置为平均地或与其各自的额定功率成比例地共享负载。 这些配置基于代表MSDC链路电流幅度数据和电源侧转换器的平均输出电压数据的相应下降曲线。
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3.发明申请SYSTEM AND METHOD FOR POWER SHARING OF FRONT-END CONVERTERS WITHOUT COMMUNICATION LINK IN A MODULAR-STACKED DC TRANSMISSION SYSTEM 有权在模块化的直流变电系统中没有通信链路的前端转换器的电源共享的系统和方法公开(公告)号：US20120217802A1
公开(公告)日：2012-08-30
申请号：US13035936
申请日：2011-02-26
IPC分类号： H02J1/14
CPC分类号： H02M5/4585 , H02J3/36 , H02M2001/008 , Y02E60/60 , Y10T307/414
摘要： A sub-sea power transmission/distribution network includes a plurality of standard proven power converter building blocks on each of the power source side and the sub-sea load side. The power source side converters and the sub-sea load side converters are each configured to provide a modular stacked dc (MSDC) converter architecture. The power source side converters are further configured to share the load equally or in proportion to their individual power ratings. The configurations are based on corresponding droop curves representative of MSDC link current magnitude data and average output voltage data of the power source side converters.
摘要翻译： 海底电力传输/分配网络包括在电源侧和海底负载侧的多个标准验证的电力转换器构建块。 电源侧转换器和海底负载侧转换器各自配置为提供模块化堆叠直流（MSDC）转换器架构。 电源侧转换器进一步被配置为平均地或与其各自的额定功率成比例地共享负载。 这些配置基于代表MSDC链路电流幅度数据和电源侧转换器的平均输出电压数据的相应下降曲线。
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公开(公告)号：US20120169322A1
公开(公告)日：2012-07-05
申请号：US12980866
申请日：2010-12-29
IPC分类号： G01R25/00
CPC分类号： G01R29/18 , H02J13/0062 , H02J13/0075 , Y02E60/7838 , Y02E60/7853 , Y04S40/124 , Y04S40/126
摘要： A phase identification system includes a power distribution station comprising a phase distortion device to generate distortions at cross over points of at least two pairs of three phase voltages and a phase detection device to receive one of the three phase voltages and to identify a phase of the received voltage based on a characteristic of a distortion in the received voltage.
摘要翻译： 相位识别系统包括配电站，配电站包括相位失真装置，以在至少两对三相电压的交叉点上产生失真，以及相位检测装置，用于接收三相电压中的一个，并且识别 基于接收电压的失真特性的接收电压。
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公开(公告)号：US07826184B2
公开(公告)日：2010-11-02
申请号：US12290246
申请日：2008-10-29
申请人： Cecil Rivers , Weizhong Yan , Yingneng Zhou , Xiao Hu , Sean Dwyer , Pradeep Vijayan , Vijaysai Prasad , Karim Younsi
发明人： Cecil Rivers , Weizhong Yan , Yingneng Zhou , Xiao Hu , Sean Dwyer , Pradeep Vijayan , Vijaysai Prasad , Karim Younsi
IPC分类号： H02H3/16
CPC分类号： H02H1/0015
摘要： A circuit interrupter for interrupting current on a line conductor is provided. The circuit interrupter includes separable contacts, a trip mechanism, a bimetal, a microprocessor, a series arc detection sequence, a low-pass filter circuit, and a high-pass filter circuit. The trip mechanism selectively opens the separable contacts when activated. The series arc detection sequence is resident on the microprocessor and includes a plurality of series fault detection algorithms. The low-pass filter circuit provides a low-pass signal to the series arc detection sequence. The high-pass filter circuit provides a high-pass signal to the series arc detection sequence. The sequence selects a particular algorithm from the plurality of algorithms based on the low-pass signal. The sequence calculates a plurality of statistical features from the high-pass signal and sends an output signal to activate the trip mechanism based on a comparison of the plurality of statistical features to the particular algorithm.
摘要翻译： 提供了用于中断线路导体上的电流的断路器。 电路断路器包括可分离触点，跳闸机构，双金属，微处理器，串联电弧检测序列，低通滤波器电路和高通滤波器电路。 跳闸机构在激活时选择性地打开可分离触点。 串联电弧检测序列驻留在微处理器上，包括多个串联故障检测算法。 低通滤波器电路为串联电弧检测序列提供低通信号。 高通滤波电路为串联电弧检测序列提供高通信号。 该序列基于低通信号从多个算法中选择特定算法。 该序列从高通信号计算多个统计特征，并且基于多个统计特征与特定算法的比较来发送输出信号以激活跳闸机制。
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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：US20070130834A1
公开(公告)日：2007-06-14
申请号：US11675321
申请日：2007-02-15
申请人： Mallikarjun Kande , Vidyadhar Kottisa , David Davenport , Pradeep Vijayan , Kuna Kishore , Kunal Goray , Raju Mogaveera , Ramasamy Anbarasu
发明人： Mallikarjun Kande , Vidyadhar Kottisa , David Davenport , Pradeep Vijayan , Kuna Kishore , Kunal Goray , Raju Mogaveera , Ramasamy Anbarasu
IPC分类号： E05F15/00
CPC分类号： B61L29/16
摘要： An electronically controlled grade crossing gate system and method. The system includes a gate arm, a gate arm moving assembly, a position sensor assembly and a controller. The gate arm moving assembly is configured to move the gate arm and the position sensor assembly is configured to sense a position of the gate arm. The position sensor assembly is a non-contact position sensor assembly. The controller is coupled to the gate arm moving assembly and the position sensor assembly and it is configured to receive an incoming command related to the gate arm. The controller activates the gate arm moving assembly in response to the incoming command and communicates with the position sensor assembly to monitor the position of the gate arm.
摘要翻译： 电子控制级交叉门系统及方法。 该系统包括门臂，门臂移动组件，位置传感器组件和控制器。 门臂移动组件被配置为移动门臂，并且位置传感器组件构造成感测门臂的位置。 位置传感器组件是非接触位置传感器组件。 控制器耦合到门臂移动组件和位置传感器组件，并且其被配置为接收与门臂相关的输入命令。 控制器响应输入命令启动门臂移动组件，并与位置传感器组件通信以监视门臂的位置。
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公开(公告)号：US20050284987A1
公开(公告)日：2005-12-29
申请号：US10881959
申请日：2004-06-29
申请人： Mallikarjun Kande , Vidyadhar Kottisa , David Davenport , Pradeep Vijayan , Kuna Satya Rama Kishore , Kunal Goray , Raju Mogaveera , Ramasamy Anbarasu
发明人： Mallikarjun Kande , Vidyadhar Kottisa , David Davenport , Pradeep Vijayan , Kuna Satya Rama Kishore , Kunal Goray , Raju Mogaveera , Ramasamy Anbarasu
CPC分类号： B61L29/16
摘要： An electronically controlled grade crossing gate system and method. The system includes a gate arm, a gate arm moving assembly, a position sensor assembly and a controller. The gate arm moving assembly is configured to move the gate arm and the position sensor assembly is configured to sense a position of the gate arm. The position sensor assembly is a non-contact position sensor assembly. The controller is coupled to the gate arm moving assembly and the position sensor assembly and it is configured to receive an incoming command related to the gate arm. The controller activates the gate arm moving assembly in response to the incoming command and communicates with the position sensor assembly to monitor the position of the gate arm.
摘要翻译： 电子控制级交叉门系统及方法。 该系统包括门臂，门臂移动组件，位置传感器组件和控制器。 门臂移动组件被配置为移动门臂，并且位置传感器组件构造成感测门臂的位置。 位置传感器组件是非接触位置传感器组件。 控制器耦合到门臂移动组件和位置传感器组件，并且其被配置为接收与门臂相关的输入命令。 控制器响应输入命令启动门臂移动组件，并与位置传感器组件通信以监视门臂的位置。
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公开(公告)号：US07463465B2
公开(公告)日：2008-12-09
申请号：US11646733
申请日：2006-12-28
申请人： Cecil Rivers , Weizhong Yan , Yingneng Zhou , Xiao Hu , Sean Dwyer , Pradeep Vijayan , Vijaysai Prasad , Karim Younsi
发明人： Cecil Rivers , Weizhong Yan , Yingneng Zhou , Xiao Hu , Sean Dwyer , Pradeep Vijayan , Vijaysai Prasad , Karim Younsi
IPC分类号： H02H3/16
CPC分类号： H02H1/0015
摘要： A circuit interrupter for interrupting current on a line conductor is provided. The circuit interrupter includes separable contacts, a trip mechanism, a bimetal, a microprocessor, a series arc detection sequence, a low-pass filter circuit, and a high-pass filter circuit. The trip mechanism selectively opens the separable contacts when activated. The series arc detection sequence is resident on the microprocessor and includes a plurality of series fault detection algorithms. The low-pass filter circuit provides a low-pass signal to the series arc detection sequence. The high-pass filter circuit provides a high-pass signal to the series arc detection sequence. The sequence selects a particular algorithm from the plurality of algorithms based on the low-pass signal. The sequence calculates a plurality of statistical features from the high-pass signal and sends an output signal to activate the trip mechanism based on a comparison of the plurality of statistical features to the particular algorithm.
摘要翻译： 提供了用于中断线路导体上的电流的断路器。 电路断路器包括可分离触点，跳闸机构，双金属，微处理器，串联电弧检测序列，低通滤波器电路和高通滤波器电路。 跳闸机构在激活时选择性地打开可分离触点。 串联电弧检测序列驻留在微处理器上，包括多个串联故障检测算法。 低通滤波器电路为串联电弧检测序列提供低通信号。 高通滤波电路为串联电弧检测序列提供高通信号。 该序列基于低通信号从多个算法中选择特定算法。 该序列从高通信号计算多个统计特征，并且基于多个统计特征与特定算法的比较来发送输出信号以激活跳闸机制。
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公开(公告)号：US07145302B2
公开(公告)日：2006-12-05
申请号：US10818401
申请日：2004-04-06
申请人： Amit Raja Sanglikar , Herman Lucas Norbert Wiegman , Charles Michael Stephens , Sunit Kumar Saxena , Pradeep Vijayan , Ajit Wasant Kane
发明人： Amit Raja Sanglikar , Herman Lucas Norbert Wiegman , Charles Michael Stephens , Sunit Kumar Saxena , Pradeep Vijayan , Ajit Wasant Kane
摘要： A method for driving a DC motor includes generating a first voltage pulse, based on a pre-determined speed input and duty cycle, and configured to generate motor current of reference current value sufficient to achieve a desired speed according to the speed input. Subsequent pulses of the voltage are generated to maintain the current substantially within a range of the reference current. Another method includes sensing and comparing motor current to reference current value and generating an error signal therebetween, which is integrated over time to generate an integrated current error, which is compared with a reference pulse. Thereafter generating applied voltage pulses configured to: switch at each instance of the integrated current error exceeding or becoming less than the reference pulse value; generate a motor current sufficient to achieve a desired speed according to a pre-determined speed input; and having substantially zero average variation from the reference current.
摘要翻译： 一种用于驱动DC电动机的方法包括：基于预定的速度输入和占空比产生第一电压脉冲，并且被配置为产生足以根据速度输入获得期望速度的参考电流值的电动机电流。 产生电压的后续脉冲，以使电流基本上保持在参考电流的范围内。 另一种方法包括感测并比较电动机电流与参考电流值并在其间产生误差信号，其随时间积分以产生与参考脉冲进行比较的积分电流误差。 然后产生施加的电压脉冲，其被配置为：在每一个集成电流误差的情况下切换超过或变得小于参考脉冲值; 产生足以根据预定速度输入达到所需速度的电动机电流; 并且具有与参考电流基本上零的平均变化。
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