NAHJ Standard Voltage Transformer NAHJ系列精密标准电压互感器
产品别名
精密电压互感器,校验用电压互感器,检定用电压互感器,校验用标准电压互感器,PT标准,标准PT,高精度电压互感器,高精度PT,自升流标准电压互感器,自升流互感器,标准电压互感器
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、220kV
(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/ √3 kV/100/√3 V 、6/ √3 kV/100V
10/ √3 kV/100/√3 V 、10/ √3 kV/100V
35/ √3 kV/100/√3 V 、35/ √3 kV/100V
110/ √3 kV/100/√3 V 、110/ √3 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℃)
NAHJ Standard Voltage Transformer
Also called name
Precision voltage transformer, voltage transformer for calibration, voltage transformer for verification, standard voltage transformer for calibration, PT standard, standard PT, high precision voltage transformer, high precision PT, self-rising standard voltage transformer, Self-rising transformer, standard voltage transformer
Main Features
PT of 110/√3 kV, 0.01 class which has high voltage class and high accuracy, this can be used to calibrate the PT 110kV/100V below class 0.05. It can calibrate PT from 20% to 120% of rated voltage. And can be burdened with 0.25VA secondary load when the secondary voltage is 100V.
Technical Data
1. Rated voltage ratio: 110/√3 kV /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 power frequency withstand.
5. Rated frequency:50Hz
6. Maximum working voltage: 76.2kV
7. Inflatable, with SF6, single phase and semi insulating.
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