Telephone: 0533-3588536
Fax: 0533-3588955
Phone: 13853302378
yimayangfan@126.com
Website: en.zbymxn.cn
Address: northwest corner of the intersection of yangfan road and weiyi road, high-tech zone, zibo city
Product overview
This type of voltage transformer is epoxy resin pouring completely closed structure, using advanced materials and technology, suitable for indoor ac 50-60hz, rated voltage 10kV and below in the power line for voltage measurement and relay protection. This product conforms to the provisions of GB1207 electromagnetic voltage transformer.
Conditions of use
Temperature range:. -25c -- +40C.
The altitude does not exceed 1000m.
The installation site shall be free of pollution, erosion and explosive media that seriously affect the insulation of products.
结构特点
本型互感器采用环氧树脂全封闭浇注，耐污秽及潮湿。铁心采用优质硅钢板卷制而成，无接缝损耗，抗谐振能力强。二次出线端有接线端子盒，用铅封螺钉固定，达到防窃电要求。
该产品是接地式电压互感器，做工频耐压复检时只能做感应耐压试验，而不能从一次直接打工频耐压。
技术参数
1、额定频率50Hz.
2、额定一次电压10/√/3kV ;额定二次电压0.1/√/3kV ;剩余绕组电压0.13kV。
3.额定绝缘水平12/42/75kV.
4、一次绕组感应耐压42kV/40s( 150Hz).二次绕组工频耐压3kV/1min。5.在1.2Um/V3电压下局部放电量不大于20pc。
互感器的额定值如下表
