主要特點(diǎn):
該精密電壓互感器是高準(zhǔn)確度的電壓互感器,鐵芯采用高導(dǎo)磁率R型閉合鐵芯,線圈采用層繞分級(jí)絕緣結(jié)構(gòu),絕緣可靠、密封良好、性能穩(wěn)定、準(zhǔn)確度高,可實(shí)現(xiàn)校驗(yàn)110kV,0.05級(jí)以下的電壓互感器。
二.技術(shù)指標(biāo):
(1)量程范圍:6kV-10kV、35kV、110kV
(2)精度等級(jí):0.01級(jí)及以下
(3)電壓誤差:±0.04%
(4)相位誤差:±1%
(5)要求設(shè)備產(chǎn)生熱量小,無噪音;鐵心內(nèi)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/ ?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
功率因數(shù):CosФ=1.0
絕緣方式:SF6
額定氣壓:0.30MPa(20℃)
補(bǔ)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 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.