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井下采区降压变电所一般采用380V 的电网供电。采区变电所装有电源变压器(通常装有两台容量400KVA 的变压器)和低压配电设备。低压配电设备包括有:采用0.4KV 三相电网的遥控配电盘和由 AΦB 型自动开关组成的组件。遥控配电盘的一段母线通常连接4个引出线路。由自动开关组成的组件
Downhole mining area substation generally 380V power supply grid. Area with substation transformer power supply (usually equipped with two capacity 400KVA transformer) and low-voltage distribution equipment. Low voltage power distribution equipment includes: remote control panel with 0.4KV three-phase power grid and components composed of AΦB type automatic switch. A section of busbar of the remote control switchboard is usually connected to 4 outgoing lines. Components made up of automatic switches