公开(公告)号：US20140035559A1

公开(公告)日：2014-02-06

申请号：US13980146

申请日：2012-01-13

Applicant: Tadashi Koshizuka ,  Kietsu Kudo ,  Tetsuya Nakamoto

Inventor： Tadashi Koshizuka ,  Kietsu Kudo ,  Tetsuya Nakamoto

IPC: G01R19/04

CPC classification number: G01R19/04 ,  G01R19/0084 ,  G01R31/3274

Abstract: A common tangent line drawn between a rise portion present from the origin to a second reference voltage and a rise portion corresponding to the second reference voltage can be easily generated through a waveform conversion. A transient recovery voltage measuring device includes a memory storing a transient recovery voltage waveform of a multiple frequency, a waveform conversion unit converting the transient recovery voltage waveform, a wave height determination unit determining two points having the same maximum value on the converted waveform, an adjustment unit adjusting the proportional constant of the waveform conversion unit to determine those two points by the wave height determination unit, a contact point detection unit obtaining two points corresponding to the determined two points determined by the wave height determination unit, and a tangent line generation unit generating a first tangent line passing through the detected two points on the transient recovery voltage waveform.

Abstract translation: 通过波形转换可以容易地产生从原点存在的上升部分到第二参考电压之间绘制的公共切线和对应于第二参考电压的上升部分。 瞬态恢复电压测量装置包括存储多频瞬态恢复电压波形的存储器，转换瞬态恢复电压波形的波形转换单元，确定转换波形上具有相同最大值的两个点的波高确定单元， 调整单元，调整波形转换单元的比例常数以由波高确定单元确定这两个点，接触点检测单元获得与由波高确定单元确定的所确定的两个点相对应的两个点，以及切线生成 单元产生通过瞬态恢复电压波形上检测到的两个点的第一切线。