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FZBW-24(12)/0.4 户外装配式变电站 ( 欧式 ) 3
مอ׈৯
Outdoor assembled substation (European) '"5&/( 108&3

序号 单位 VGF-12 VGZR-12
Serial 项目 project unit 高压负荷开关 负荷开关 - 熔断器组合电器
number High voltage load switch Load switch-fuse combination
1 额定电压 Rated voltage kV 12
2 额定频率 Rated frequency Hz 50
熔断器最大额定电流 Fuse
3 额定电流 Rated current A 630 maximum rated current：
125A;160A200A
4 熔断器额定短路开断电流 Fuse rated short-circuit breaking current kA - 31.5;40;50
5 额定开断转移（交接）电流 Rated breaking transfer (handover) current A - 3150
6 额定有功负载开断电流 Rated active load breaking current A 630
7 5% 额定有功负载开断电流 5% rated active load breaking current A 31.5
8 额定闭环开断电流 Rated closed-loop breaking current A 630
9 额定电缆充电开断电流 Rated cable charging breaking current A 10
10 额定线路充电开断电流 Rated line charge breaking current A 1
11 额定接地故障开断电流 Rated ground fault breaking current A 30
接地故障条件下额定电缆充电开断电流
12 A 17.4
Rated cable charging breaking current under ground fault conditions
13 额定开断空载变压器容量 Rated breaking no-load transformer capacity kVA 2000
额定单个电容器组开断电流
14 A 400
Rated single capacitor bank breaking current
额定短时耐受电流（热稳定电流） 负荷开关（含隔离开关）Load switch kA/s 20/4
15 Rated short-time withstand (including isolation switch)
current (thermally stable current) 接地开关 Grounding switch kA/s 20/2
16 额定短路关合电流 Rated short circuit closing current kA 50
额定峰值耐受电流电流（动稳定电流）
17 kA 50
Rated peak withstand current (dynamic steady current)
1mim 工频耐受电压（有效值）对地，相间，真空断口 / 隔离断口
18 1mim power frequency withstand voltage (effective value) to ground, kV/kV 42/48
phase, vacuum fracture / isolation fracture
全波雷电冲击耐受电压（峰值）对地，相间，真空断口 / 隔离断口
19 Full-wave lightning impulse withstand voltage (peak) to ground, kV/kV 75/85
phase-to-phase, vacuum fracture / isolation fracture
20 主回路电阻 Main loop resistance μΩ ≤ 100 ≤ 200
次
21 机械寿命 Mechanical life 10000
Times
22 触头开距 Contact opening distance mm 9±1
超行程（触头弹簧压缩长度） +3
23 mm 3
Overtravel (contact spring compression length)
24 触头磨损累厚度 Contact wear thickness mm 3
25 平均分闸速度 Average opening speed m/s 0.8 ～ 1.2
26 平均合闸速度 Average closing speed m/s 0.45 ～ 0.85
27 额定触头压力 Rated contact pressure N 900±200
28 触头合闸弹跳时间 Contact closing bounce time ms ≤2
29 三相分、合闸不同朗 Three-phase split and close ms ≤1
30 极间中心距 Center distance between poles mm 210±3
31 带电体之间及相对地距离 Charged body and relative distance mm ≥ 125
32 真空灭弧室合闸操作力矩 Vacuum interrupter closing operation torque N·m ≤ 80
33 直空灭弧室分闸操作力 Direct air interrupter opening operation force N ≤ 10
34 额定合闸操作电压 Rated closing operating voltage V ≌ 220/100
35 额定分闸操作电压 Rated opening operating voltage V ≌ 220/100
36 熔断器熔断触发开关分闸的时间 Fuse blown trigger switch opening time ms - ≤ 100
J(焦耳)
37 熔断器熔断时撞击输出能量 Impact output energy when the fuse blows - 1
joule
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