主要特点:
该精密电压互感器是高准确度的电压互感器,铁芯采用高导磁率R型闭合铁芯,线圈采用层绕分级绝缘结构,绝缘可靠、密封良好、性能稳定、准确度高,可实现校验110kV,0.05级以下的电压互感器。
二.技术指标:
(1)量程范围:6kV-10kV、35kV、110kV
(2)精度等级:0.01级及以下
(3)电压误差:±0.04%
(4)相位误差:±1%
(5)要求设备产生热量小,无噪音;铁心内没有切割,无气隙
(6)要求漏磁小,无需采取防范措施来防止影响漏磁
额定电压比:
6/ kV/100/ V 、6/ kV/100V
10/ kV/100/ V 、10/ kV/100V
35/ kV/100/ V 、35/ kV/100V
110/ kV/100/ V 、110/ kV/100V
功率因数:CosФ=1.0
绝缘方式:SF6
额定气压:0.30MPa(20℃)
补气压力:0.20MPa(20℃)
Main Features
PT of 110/√3 kV, 0.01 class which has high voltage class and high accuracy, this can be usedtocalibrate the PT 110kV/100V below class 0.05. Itcan calibrate PT from 20% to 120% of rated voltage. And can be burdened with 0.25VA secondary load when the secondary voltage is 100V.
TechnicalData
1. Rated voltage ratio: 110/√3kV/100V(0.1));110/√3kV/100/√3V(0.05)
2. Rated secondary capacity: 0-0.25VA CosФ=1.0
3. Accuracy class: Class 0.05
4. Testing voltage: primary winding is 1.2 /1 min voltage withstand . Secondary winding is above earth and 2kV/1min powerfrequencywithstand.
5. Rated frequency:50Hz
6. Maximum working voltage: 76.2kV
7. Inflatable, with SF6, single phase and semi insulating.