简 介
主要技术参数
项 目 | 参 数 | ||||
型 号 |
FZW28A-12 |
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额定电压 |
12kV
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额定电流 Rated current |
630A
|
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较高工作电压 Maximum working voltage |
15.5kV
|
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额定短时耐受电流(4s) Rated short-time withstand current |
12.5kA(rms)
|
16kA(rms)
|
20kA(rms)
|
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额定短路关合电流 Rated short-circuit making current |
31.5kA
(峰值) |
40kA
(峰值) |
50kA
(峰值) |
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额定频率 Rated frequency |
50 / 60Hz
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工频耐受电压
Power-frequency withstand voltage |
对地
to earth |
50kV
|
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相间
phase to phase |
50kV
|
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断口
between contacts |
50kV
|
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雷电冲击耐受电压
Lighting impulse withstand voltage |
对地 to earth
|
95 kV
|
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相间 phase to phase
|
95 kV
|
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断口
between contacts |
110 kV
|
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合闸操作电压 Closing voltage
|
AC220V(85%~110%)
|
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合闸操作电流 Closing current
|
8.5-12(A)
|
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合闸时间 Closing time
|
120-200ms
|
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分闸操作电压 Opening voltage
|
AC220V(65%-120%)(可选DC220V/DC24V)
|
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分闸操作电流 Opening current
|
<5A( <5A / <7A )
|
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分闸时间 Opening time
|
<35ms
|
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位置信号
Position ** |
合位信号
Closing ** |
2组
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分位信号
Opening ** |
2组
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储能信号 Energy storage **
|
1组
|
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未储能信号 Energy dis-storage **
|
1组
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电寿命 Electrical life |
10000 次
|
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机械寿命 Mechanical life |
15000 次
|
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电流互感器变比(精度) current transformer variety scale |
600/3(3级)
600/1 或 600/5(0.5级) |
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重 量 Mass
|
185kg
|
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标准 standard
|
GB3804-2004, IEC 265-1, ANSI C37.63
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