武漢艾爾通電氣有限公司
[艾爾電氣單相繼電保護測試儀執行標準]DL/T624-1997[艾爾電氣單相繼電保護測試儀產品簡介]繼電保護校驗儀采用電源技術,簡化儀器操作,增強儀器功能,用于校驗常規的電流、電壓、時間、中間、重合閘、差動等系列繼電器
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AL509Relaying Protection Device TestingImplementation of standards: DL/T624-1997 Apply to the power supply system adjustment and testing relaying protective devices. Measure single-channel , empty junction. Often open junction close and break time . Often close junction closed break time . Return voltage (current) ,moves voltage (current) , return coefficient. single-channel signal,Pulse and negative pulse,Double-channel signals ,ouble-channel signals intervals, starting signal can be one of the " change", "negative -- change", " empty junction". [Technical Data]
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