KBZ-630⼀1140(660)矿用隔爆型真空馈电开关的电气原理图的具体解读

2024-12-02 07:28:52
推荐回答(2个)
回答1:

KBZ-400/1140型隔爆型真空馈电开关
KBZ-400/1140型隔爆型真空馈电开关主要用在煤矿井下采区变电所,控制保护交流50Hz、电压380V至1140V、电流400A的低压送电线路,作配电总开关或分支开关之用,当线路发生短路故障时,自动切断供电电源。其工作环境条件与矿用隔爆型真空磁力起动器相同。
1.型号含义

2.结构
本开关具有方形隔爆外壳,前门与壳体用螺栓紧固,打开时,前门支承在铰链上。真空断路器安装在隔爆后腔的中央,它的操作转轴与脱扣按钮分别由连接套和连接板与外壳操作手把和手动脱扣按钮相连。控制电源开关固定在后腔右侧壁上,由连接套与壳外手把相连。前门内侧下方安装着控制芯板组件,中间安装着试验开关,上方为正对着前门观察孔的开关工作状态指示灯。前门与壳体之间,有可靠的机械闭锁,保证在打开前门时,控制电源开关必须打至停止位置。开关外形结构尺寸如图11—l—75所示。

3.技术特征及电气原理
本开关具有过载、短路、欠压、失压、漏气和漏电保护,可实现远方分闸。操作方式为手动储能合闸,机械脱扣分闸和远方分励脱扣分闸。其技术数据见表11—1—19。电气原理图如图11一1一76所示。
表 11—1—19 KBZ—400/1140型馈电开关主要技术数据

图11-1-76 KBZ-400/1140型馈电开关电气原理图

回答2:

显示系统未合闸,又合不上闸!

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