LZZBJ9-10型电流互感器参数中英文注释

LZZBJ9-10型电流互感器参数中英文注释

作者：佚名转贴自：电力安全论坛点击数：250 更新时间：2009-2-25

一概述(Description)

LZZBJ9-10本型电流互感器为环氧树脂浇注绝缘全封闭式产品，适用于额定电压10kV及以下，额定频率为50HZ或60HZ的户内电力线路及设备中作电流、电能测量和继电保护使用．本型互感器具有体积小、重量轻、绝缘性能优越、精度高、动热稳定倍数高等特点，并且还可以根据用户需要制成各种特殊规格的产品，灵活性强，符合IEC44-1:1996 及GB1208-1997《电流互感器》标准。

The current transformer of the type LZZBJ9-10 is casting resin and fully enclosed product.It is used for metering electric energy and

current,relay protection in the electrical system of rated frequency 50Hz or 60Hz and rated voltage 10kV.The current transformer has the character of small volume,light weight,superior insulation,high accuracy, high dynamic multiple and so on.We also can produce every kinds of products according to the consumers’ requirements.It,s flexible.The transformers can be executed according to the standards IEC44-1:1996 and

GB1208-1997<>.

二型号含义(Type designation)

L 电流互感器(current transformer)

Z 支柱式(post type)

Z 浇注绝缘(casting resin insulated)

B 带保护级(with protection class)

J 加大容量(increasing capacity)

9 设计序号(design sequence)

10 电压等级,kV(voltage grade,kV)

三结构简介(Construction)

LZZBJ9-10型电流互感器为全封闭式结构，铁芯采用优质的导磁材料，一、二次绕组及铁芯均浇注在环氧树脂中，具有优良的绝缘性能和防潮能力，并容易做到表面清洁。一次出线P1、P2分别在浇注体的顶部，二次绕组出线端在浇注体的下部，第一组为计量绕组（0.2S级、0.2级），标志为1S1、1S2:第二组为监控绕组（0.5级），标志为2S1、2S2:第三组为保护级绕组（10P）,标志为 3S1、3S2，同时二次绕组可带抽头。如果客户需要，可任意改变准确级组合，互感器为减极性，互感器底部装有底板并配有4只Φ12的安装孔。

The current transformer of the type LZZBJ9-10 is fully enclosed.Its core is made of material material of high quality.Both the primary and secondary windings are insulated by epoxy resin.It has a good ability of insulation and moisture proof.The surface is easy to clean.The primary outlet P1,P2 are at the top of the casting body.The secondary outlet is at the bottom of the casting body.The first is measuring winding(0.2S class,0.2 class),signs 1S1,1S2.The second is control winding(0.5

class),signs 2S1,2S2.The third is protection winding(10P),signs

3S1,3S2.Meanwhile,there are taps in secondary winding.If the consumers require,we can easily change the accuracy classes combination.The transformer is reducing utmost nature.The mounting planet is on the bottom and there are four-fix hole of Φ12.

四技术参数Technical data

1.额定绝缘水平(rated insulation level)：12/42/75kV;

2.负荷的功率因数(power factor of load)：COS=0.8(滞后)(lagging);

3.额定二次电流(rated secondary current)：5A或1A(5A or 1A);

4.表面爬电距离(surface creepage distance)：260mm;

5. 局部放电水平符合GB1208-1997《电流互感器》标准(The conditions of the partial discharge test according to GB1208-1997《current transformer》will be fulfilled without exception);

6.额定一次电流、准确级组合、额定输出及额定动、热稳定电流见下表(Rated primary current,accuracy

classes combination,rated output,rated dynamic and thermal current see