过电压在线检测仪主要用于变电站过电压在线检测,能自动追踪、并以较高的采样速率和采样深度记录内外过电压的波形、幅值及相关信息,并可查询已保存的过电压历史数据,同时实现对波形的多种操作;过电压在线检测仪采用电容分压器和NI公司的图形化编程软件LabVIEW等组成;经过运行证明该装置运行正常、稳定、可靠,能在过电压发生时完整、准确地同时记录下六路瞬态过电压信号,为更好的绝缘配合、修订绝缘水平提供有力参考.%On-Line over-voltage detector is mainly used for detection over -voltage of substation, automatic tracking, with higher sampling rate and sampling depth of the wave, both inside and outside record over voltage amplitude and related information, and inquires the historical overvoltage data, to realize the varied waveform operation. On-line over-voltage detector composed by capacitive divider and NI's Lab VIEW graphical programming software etc. The device run normally, stable and reliable, it can accurate record six channel transient overvoltage signals at the same time, it provide powerful reference for better insulation coordination and revise insulation level.
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