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LZZBJ9-10 支柱式全封闭浇注绝缘电流互感器
Pillar type fully enclosed cast insulated current transformer
概述 /Overview
LZZBJ9-10 型电流互感器是户内环氧树脂浇注支柱式全工况型产品,在额定频率为 50Hz
额定电压为 10kV 及以下的电力系统中作继电保护或电能测量用,其中 LZZBJ9-10 装于中
置式开关柜或其它型式开关柜中。
LZZBJ9-10 type current transformer is an indoor epoxy resin cast post type full-
duty type product, used for relay protection or electric energy measurement in power
system with rated frequency of 50Hz and rated voltage of 10kV and below, among
which LZZBJ9-10 It is installed in a central switchgear or other type of switchgear.
型号含义 /Meaning of Model
L Z Z B J 9 - 10
额定电压 /Rated voltage
设计序号 /Design Number
加强型 /Enhanced
带保护级 /With protection level
浇注绝缘 /Pouring insulation
支柱式 /Pillar
电流互感器 /Current Transformer
技术参数 /Technical Parameters
额定绝缘水平:12/42/75kV; Rated insulation level: 12/42/75kV;
负荷的功率因素:COSФ=0.8( 滞后 ); Power factor of the load: COS Ф = 0.8 (hysteresis);
额定二次电流:5A 或 1A; Rated secondary current: 5A or 1A;
污秽等级:Ⅱ级; Pollution level: Level II;
仪表保安系数:FS ≤ 10。 Instrument security factor: FS ≤ 10.
双绕组技术参数表 /Double winding technical parameter table
性能参数 额定二次输出
Performance 准确级组合 Rated secondary output(VA) 1 秒热电流 动热稳定电流
parameter Accurate level 1 second thermal Dynamic heat stable
combination 0.2 0.5 current current(kA)
规格 specification 10P10 10P15
0.2S 0.5S
5
10
15
20
30 150I1n 375I1n
40 10
50
75
100 0.2S/0.2S
150 0.2S/0.5S
0.2S/0.5 21.5 54
200
0.2/0.2
300 10 10 15
0.2/10P10 31.5 80
400 0.2S/10P10
500 0.5/10P10 45 112.5
600 10P10/10P10
800 63 130
1000
15 80 160
1200
1500
2000
2500 100 160
3000
3150
10