公开(公告)号：US20160187407A1

公开(公告)日：2016-06-30

申请号：US14584122

申请日：2014-12-29

申请人： Eaton Corporation

发明人： DAVID KOLKER ,  CHAITANYA BHALWANKAR ,  BIRGER PAHL ,  STEVEN CHRISTOPHER SCHMALZ ,  ARCHIT AGARWAL

IPC分类号： G01R31/02 ,  G01R35/00 ,  G01R19/165 ,  G01R31/12

CPC分类号： H02H1/0015 ,  G01R19/165 ,  G01R31/008 ,  G01R31/024 ,  G01R31/025

摘要： A DC arc fault detection module includes a current detecting section having at least one output, wherein the current detecting section is structured to determine whether at least one signal based on a current measured from a DC supply line exceeds at least one corresponding predetermined threshold level and cause the at least one output to indicate that the threshold level has been exceeded. The module also includes a processing device structured to: (i) receive the at least one output, (ii) determine whether an arc fault in the DC electrical system has occurred based on at least the at least one output, (iii) determine an estimation of background noise based on at least one signal indicative of a current on the DC supply line, and (iv) adjust the at least one corresponding predetermined threshold level based on the estimation of background noise.

摘要翻译： 直流电弧故障检测模块包括具有至少一个输出的电流检测部分，其中电流检测部分被构造为确定基于从直流电源线测量的电流的至少一个信号是否超过至少一个对应的预定阈值电平，以及 使得至少一个输出指示已经超过阈值水平。 所述模块还包括处理装置，其被构造成：（i）接收所述至少一个输出，（ii）至少基于所述至少一个输出确定直流电系统中的电弧故障是否已经发生，（iii）确定 基于指示DC电源线上的电流的至少一个信号估计背景噪声，以及（iv）基于背景噪声的估计来调整至少一个对应的预定阈值电平。

公开(公告)号：US20160187410A1

公开(公告)日：2016-06-30

申请号：US14583933

申请日：2014-12-29

申请人： EATON CORPORATION

发明人： DAVID KOLKER ,  CHAITANYA BHALWANKAR ,  BIRGER PAHL ,  STEVEN CHRISTOPHER SCHMALZ ,  ARCHIT AGARWAL

IPC分类号： G01R31/02 ,  H02H3/16 ,  H02H1/00

CPC分类号： G01R31/025 ,  H02H1/0015 ,  H02H3/08 ,  H02H3/20

摘要： A DC arc fault detection module includes an LF current section, an LF voltage section, and an HF current section having a plurality of outputs, each output being associated with a respective one of a plurality of frequency sub-bands. The HF current section is structured to, for each of the frequency sub-bands, (i) detect a rise in energy of the frequency sub-band above a first predetermined threshold level for at least a certain amount of time and (ii) cause the associated output to indicate a rise in energy detection in response to detecting the rise in energy above the associated threshold level for at least the associated certain amount of time. The module includes a processing device structured to determine whether a DC arc fault has occurred based on the outputs from the LF and HF current and LF voltage sections.

摘要翻译： DC电弧故障检测模块包括LF电流部分，LF电压部分和具有多个输出的HF电流部分，每个输出与多个频率子带中的相应一个相关联。 HF电流部分被构造成对于每个频率子带，（i）检测频率子带的能量高于第一预定阈值电平至少一定量的时间，并且（ii）导致 相关联的输出以响应于在至少相关联的一定量的时间内检测到高于相关阈值水平的能量上升，来指示能量检测的上升。 该模块包括一个处理装置，其被构造成基于来自LF和HF电流和LF电压部分的输出来确定是否发生了直流电弧故障。

公开(公告)号：US20160187409A1

公开(公告)日：2016-06-30

申请号：US14583891

申请日：2014-12-29

申请人： EATON CORPORATION

发明人： DAVID KOLKER ,  CHAITANYA BHALWANKAR ,  BIRGER PAHL ,  STEVEN CHRISTOPHER SCHMALZ ,  ARCHIT AGARWAL

IPC分类号： G01R31/02 ,  H02H1/00 ,  H02H3/16

CPC分类号： G01R31/025 ,  H02H1/0015 ,  H02H3/08 ,  H02H3/20

摘要： An AC arc fault detection module includes an LF current section, an LF voltage section, and an HF current section having a plurality of outputs, each output being associated with a respective one of a plurality of frequency sub-bands. The HF current section is structured to, for each of the frequency sub-bands, (i) detect a rise in energy of the frequency sub-band above a first predetermined threshold level for at least a certain amount of time and (ii) cause the associated output to indicate a rise in energy detection in response to detecting the rise in energy above the associated threshold level for at least the associated certain amount of time. The module includes a processing device structured to determine whether an AC arc fault has occurred based on the outputs from the LF and HF current and LF voltage sections.

摘要翻译： AC电弧故障检测模块包括LF电流部分，LF电压部分和具有多个输出的HF电流部分，每个输出与多个频率子带中的相应一个相关联。 HF电流部分被构造成对于每个频率子带，（i）检测频率子带的能量高于第一预定阈值电平至少一定量的时间，并且（ii）导致 相关联的输出以响应于在至少相关联的一定量的时间内检测到高于相关阈值水平的能量上升，来指示能量检测的上升。 该模块包括处理装置，其被构造为基于来自LF和HF电流和LF电压部分的输出来确定是否发生了交流电弧故障。

公开(公告)号：US20160187408A1

公开(公告)日：2016-06-30

申请号：US14584127

申请日：2014-12-29

申请人： EATON CORPORATION

发明人： DAVID KOLKER ,  CHAITANYA BHALWANKAR ,  BIRGER PAHL ,  STEVEN CHRISTOPHER SCHMALZ ,  ARCHIT AGARWAL

IPC分类号： G01R31/02 ,  G01R31/00 ,  G01R19/165

CPC分类号： G01R31/024 ,  G01R19/16533 ,  G01R31/008 ,  G01R31/025 ,  H02H1/0015 ,  H02H3/044 ,  H02H3/08 ,  H02H3/162 ,  H02H3/44

摘要： An AC arc fault detection module includes a current detecting section having at least one output and being structured to determine whether at least one signal based on a current measured from an AC phase line exceeds at least one corresponding predetermined threshold level and cause the at least one output to indicate that the threshold has been exceeded. The module also includes a processing device structured to: (i) receive the at least one output, (ii) determine whether an arc fault in the AC electrical system has occurred based on at least the at least one output, (iii) determine an estimation of background noise based on at least one signal indicative of a current on the AC phase line, and (iv) adjust the at least one corresponding predetermined threshold level based on the estimation of background noise.

摘要翻译： AC电弧故障检测模块包括电流检测部分，其具有至少一个输出并被构造成确定基于从AC相线路测得的电流的至少一个信号是否超过至少一个对应的预定阈值电平，并且使至少一个 输出以指示已经超过阈值。 所述模块还包括处理装置，其被构造成：（i）接收所述至少一个输出，（ii）至少基于所述至少一个输出来确定所述AC电气系统中的电弧故障是否已经发生，（iii）确定 基于指示AC相线上的电流的至少一个信号估计背景噪声，以及（iv）基于背景噪声的估计调整至少一个对应的预定阈值电平。