| 摘要 |
The present invention relates to detect an arc in a switching board, to distinguish whether the arc is operating or is out of order, by correcting the interruption and distortion of voltage signals and current signals, and to generate a warning and a trip signal. For this purpose, the invention includes: a stage of contracting the correction value measured from the areas of voltage or current of the switching circuit to one or more areas or dots in accordance with the pre-set standard, storing the contracted correction value in the voltage and current measuring module, and correcting each sample area or dot corresponding to the real-time sampling data of the voltage and current measuring module; and a stage of correcting the distorted measuring value by applying the real-time correction value to the sampling data, continuously measured from the voltage and current measuring module. By using an arc detection method by a magnetic sensor, a switching board protected from the arc generation is provided. |
