NAHJ Standard Voltage Transformer NAHJ系列精密標準電壓互感器
產品別名
精密電壓互感器,校驗用電壓互感器,檢定用電壓互感器,校驗用標準電壓互感器,PT標準,標準PT,高精度電壓互感器,高精度PT,自升流標準電壓互感器,自升流互感器,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.技術指標:
(1)量程范圍:6kV-10kV、35kV、110kV、220kV
(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
額定電壓比 :
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
功率因數:CosФ=1.0
絕緣方式:SF6
額定氣壓:0.30MPa(20℃)
補氣壓力: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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