Project_PrincipleOverview_G_YunNan_2025/ModeDisplay/Assets/StreamingAssets/SubTitles/原理/VS1真空断路器-机械特性-old.srt

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VS1真空断路器

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是一种高压真空开关设备

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搭配中置柜后

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主要用于切断和接通六千伏和十千伏线路

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不但可分合空载和额定电流

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还可切断过负荷和短路时也表现优异

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用于频繁操作、灭弧不用检修的优点

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其操作机构拥有手动和电动两套操作系统

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模块化设计一目了然

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重量轻

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体积小

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可一人拉

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两人抬

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方便了检修和应急处处理

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设计成熟度高 使其广泛应用于配网中

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其真空断路器机械联动特性

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储能机械:外部直流屏电源直流+220V经柜顶小母线

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到达低压室QF2 开关下因到端子排

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端子排到达转换开关航空插头

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到储能开关限位开关常闭点

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到直流储能电机+端子

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后经直流电机负端子到达储能限位开关常闭点后

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经航空插头出回到端子排

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后回到开关到柜顶小母线

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这样可手动或自动接通未储能电机让其转动

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经链条带动曲轴旋转

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带动合闸储能弹簧拉伸储能

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按动合闸按钮让合闸电磁铁吸合

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铁芯推动卡簧 手动按动合闸按钮

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推动卡簧让合闸储能弹簧释放

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带动主轴旋转

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主轴后面有杠杆推动真空断路器动触头向上运动

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动静触头结合

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分闸机械

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在合闸时

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主轴运动带动三个分闸储能弹簧拉伸

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分闸弹簧已经储能 让按动分闸按钮让分闸电磁铁吸合

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铁芯推动卡簧释放在分闸弹簧的能量下

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主轴旋转拉伸后面的连杆

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带动动触头往下运动

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使动静触头分开