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2. 发明公开

EP3161918A1 VERFAHREN UND VORRICHTUNG ZUR LICHTBOGENERKENNUNG 有权
公开(公告)号：EP3161918A1
公开(公告)日：2017-05-03
申请号：EP15729160.0
申请日：2015-06-15
申请人： Herges, Peter
发明人： Herges, Peter
IPC分类号： H02H1/00 , G01R31/00
CPC分类号： G01R31/1272 , G01R31/006 , G01R31/007 , G01R31/025 , H02H1/0015
摘要： The invention relates to a method for detecting arcs in a direct-current circuit by means of a detection conductor, which is led at least along a conductor of the direct-current circuit that carries a voltage and is to be monitored. According to the invention, a voltage signal related to a potential of the direct-current circuit is coupled into the detection conductor at an incoupling point via a series resistor, the voltage signal is coupled out at an outcoupling point of the detection conductor, the voltage signal before the series resistor is compared with the voltage signal at the outcoupling point, and an arc is inferred if the voltage signal at the outcoupling point deviates from the voltage signal before the series resistor by more than a specified amount. The invention further relates to a device for carrying out the method. The method and the device enable fast and reliable detection of an arc in a direct-current circuit.
摘要翻译：本发明涉及一种借助于检测导体检测直流电路中的电弧的方法，所述检测导体至少沿着承载电压并将被监测的直流电路的导体引导。根据本发明，与直流电路的电势相关的电压信号经由串联电阻器耦合到检测导体的输入耦合点处，电压信号在检测导体的输出耦合点处耦合输出，电压将串联电阻与输出耦合点处的电压信号进行比较，并且如果输出耦合点处的电压信号偏离串联电阻之前的电压信号超过特定量则推断电弧。本发明还涉及用于执行该方法的设备。该方法和装置能够快速可靠地检测直流电路中的电弧。

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