直流屏充電模塊N+1中的N為模塊個數(shù)，1為備用模塊。 直流屏的調(diào)試,接通交流電源測試交流雙電源切換裝置是否工作正常，雙電源切換裝置的下口電壓是否正常。交流部分測試正常后，依次閉合充電模塊的交流開關(guān)，觀察模塊是否正常啟動并測量模塊輸出電壓和極性。充電模塊啟動正常并輸出電壓和極性正確后，接通電池組開關(guān)及各母線開關(guān)，測量電池組開關(guān)下口、合母、控母電壓和極性是否正確，并觀察電壓表計是否方向打翻。 特點 高可靠性： 采用開關(guān)電源的模塊化設(shè)計，N+1熱備份。 充電模塊可以帶電熱插拔，平均維護(hù)時間大幅度減少。 動力母線和控制母線可以由充電模塊單獨直接供電，可以通過降壓裝置熱備份。 硬件低差自主均流技術(shù)，模塊間輸出電流大不平衡度優(yōu)于5%。
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