LB7-220(W1)油浸式电流互感器

型电流互感器适用于220kV。50Hz电力系统中作电流、电能测量殛继电保护用。
该产品装有金属膨胀器，全密封结构，一次绕组为“U”形电容型*缘结构，介质损耗率小，局部放电量低．二次绕组一般为4—6个绕组，级次可任意组合，可根据用户需要生产测量级准确级为0.2S级*用途电流互感器。
本型电流互感器为户外装置，LB7-220适用于海拔1 700m以下地区；LB7-220W1型适用于海拔1700m以下污秽地区。环境气温为-30℃- 40℃。
The current transformer for 220kV. 50Hz power systems for current and energy measurement for lightning protection.
The product is equipped with a metal expander, fully sealed structure, the primary winding as a "U" shaped capacitor-t*e insulating structure, dielectric loss rate is small, low partial discharge. The secondary winding is generally 4-6 windings can be any combination of levels, according to the accurate level of user needs to produce the measured level of 0.2S cl* of special-purpose current transformer.
The current transformer for outdoor installations LB7-220 applies to an altitude of 1 700m the following areas; LB7-220W1 apply to the dirty areas below an altitude of 1700m. Environmental temperature of -30 ° C - 40 ° C. Outline and installation size are shown in Fig.