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FZBW-24(12)/0.4 户外装配式变电站 ( 欧式 ) 3
مอ৯
Outdoor assembled substation (European) '"5&/( 108&3
VGF-24(12) 真空断路器技术参数 Vacuum circuit breaker technical parameters
序号 项目 project 单位 数值 Numerical value
Serial number unit
1 额定电压 Rated voltage kV 12
2 额定频率 Rated frequency Hz 50
630、1250、1600 1250、1600
3 额定电流 Rated current A 630、1250
2000、2500、3150 2000、2500、3150
额定短路开断电流
4 kA 25 31.5 40
Rated short-circuit breaking current
5 额定短路关合电流 Rated short circuit closing current kA 63 80 100
额定短时耐受电流(热稳定电流)/ 持续时间
6 Rated short-time withstand current (thermally stable kA/s 25/4 31.5/4 40/4
current) / duration
额定峰值耐受电流(动稳定电流)
7 Rated peak withstand current (dynamic steady kA 63 80 100
current)
额定短路开断电流开断次数
8 次Times 30
Rated short-circuit breaking current breaking times
额定 1min 工频耐受电压(有效值)
9 Rated 1min power frequency withstand voltage kV 42
(RMS)
额定雷电冲击耐受电压(峰值)
10 kV 75
Rated lightning impulse withstand voltage (peak)
额定单个/背对背电容器组开断电流
630/400(40kA 为 800/400)
11 Rated single / back to back capacitor bank breaking A 630/400 (800/400 for 40kA)
current
12.5( 频率不大于 1000Hz)
12 额定电容器组关合涌流 Rated capacitor bank kA
12.5 (frequency is not more than 1000Hz)
分 -0.3s- 合 分 -180s- 合 分
13 额定操作顺序 Rated operation sequence
Minus -0.3s - combined - 180s - combined
14 触头开距 Contact opening distance mm 11±1
超行程(触头弹簧压缩长度)
15 mm 3.2±0.5
Overtravel (contact spring compression length)
16 触头合闸弹跳时间 Contact closing bounce time ms ≤2
三相分,合闸不同期性
17 ms ≤2
Three-phase points, closing for different periods
18 平均分闸速度 Average opening speed m/s 0.9 ~ 12
19 平均合闭速度 Average closing speed m/s 0.5 ~ 0.8
20 分阐时间(额定电压)Time (rated voltage) ms 20 ~ 60
21 合闸时向(额定电压)When closing (rated voltage) ms 35 ~ 70
动,静触头允许磨损积累厚度
22 Dynamic and static contacts allow wear to mm 3
accumulate thickness
23 主导电回路电阻 Main conductive loop resistance μΩ ≤ 50(630A) ≤ 45(1250A) ≤ 35(1600AC 以上)
24 机械寿命 Mechanical life 次Times 20000
额定电流开断次数(电寿命)
25 次Times 20000
Rated current breaking times (electrical life)
控制单元工作电压
26 V ≌ 220/110
Rated current breaking times (electrical life)
固定式 100
Stationary 100 130(1600 ~ 2000A) 150(2500 ~ 3150A)
27 断路器重量 Circuit breaker weight kg
手车式 135
Handcart 135 155(1600 ~ 2000A) 175(2500 ~ 3150A)
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