南澳電氣NAHJ系列精密標準電壓互感器主要特點:
該精密電壓互感器是高準確度的電壓互感器,鐵芯采用高導磁率R型閉合鐵芯,線圈采用層繞分級絕緣結構,絕緣可靠、密封良好、性能穩定、準確度高,可實現校驗110kV,0.05級以下的電壓互感器。
二.南澳電氣NAHJ系列精密標準電壓互感器技術指標:
(1)量程范圍:6kV-10kV、35kV、110kV
(2)精度等級:0.01級及以下
(3)電壓誤差:±0.04%
(4)相位誤差:±1%
(5)要求設備產生熱量小,無噪音;鐵心內沒有切割,無氣隙
(6)要求漏磁小,無需采取防范措施來防止影響漏磁
南澳電氣NAHJ系列精密標準電壓互感器額定電壓比 :
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
南澳電氣NAHJ系列精密標準電壓互感器功率因數:CosФ=1.0
南澳電氣NAHJ系列精密標準電壓互感器絕緣方式:SF6
額定氣壓:0.30MPa(20℃)
補氣壓力:0.20MPa(20℃)
Main Features
PT of 110/√3 kV, 0.01 class which has high voltage class and high accuracy, this can be 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.