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六相繼電保護測試儀日常使用常見故障有哪些?

發布日期:2022-10-09 點擊率:32

  故障一:打開電源開關聽到音響告警聲。

  處理:關閉電源開關,將功放開關復位,然后打開電源。

  故障二:阻抗特性試驗時,電壓斷線閉鎖。

  處理:裝置未復位變送出故障量,此為參數中返回時間設置錯誤,應大于保護復歸時間。

  故障三:整組保護試驗接點帶電位時間,動作不保護。

  處理:檢查接線,將高電位與低電位反接。

  故障四:功放開關打開狀態下,明顯無電源功率變化,且所有功能菜單試驗均無故障量輸出。

  處理:電源保險燒壞,及時更換同型號電源保險。


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