概述Description
LZZBJ12-10电流五感器适用于额定频率50Hz~ 额定电压10KV及其以下户内装置的电力系统,用作电气测量和电力保护用,特别适合在柜子宽较窄的中置柜中使用。
Type LZZBJ12-1 0 current transformer is used for metering and protective relaying purposes for installation in
indoor up to 1 OKV rated voltage frequency 50Hz, the current transformer is used for metering and protective relaying
action in indoor and especially is suited for using in the narrow case(fixed) ring-net switch gear.
型号含义Type designation
技术参数Technical data
1 额定绝缘水平: 11.5/42/75kV;
2.额定频率: 50Hz;
3额定一次电流: 5-3150A;
4.额定二次电流为5A , 1A;
5.基本级次组合: 0.5/5P;
6测量级仪表保安系统: FS<10;
7.5P级准确眼值系数: 5P10;
8.局部放电水平符合GB7354-87标准和IEC185 <<互感器局部放电测试>> ,其视在放电量不大于20PC;
9.负荷的功率因数为0.8 (滞后) ;
10.准确级次及相应的额定输出,额定适时电流见表1 。
1.Rated insulation level: 11.5/42/75KV;
2.Frequency(Hz):50Hz;
3.Rated primary current:5-3150;
4.Rated secondary current:5A, 1A;
5.Accuracy classes:0.5/5P;
6.Meter rage class safeguard system: Fs<1 0;
7.5P rated accuracy lint factor:5P1 0;
8.The measurement of partial discharge level is in accordance with GB7354-87 and IEC 185 Apparent partial discharge
level not more than 20PC;
9.Power factor:0.8(hysteresis);
1 O.Rated primary current accuracy classes, rated output and short-time thermal current see table 1.