Standard Voltage Transformer

Standard Voltage TransformerApplicationThe standard voltage transformer is suitable to be used for error measurement in delivery test or on-site test of power transformers 35~1000kV.FeaturesHigh measurement accuracy, in Grade 0.01~0.1Wide range of measuring voltage: each standard voltage transformer can have 2 or more composite ratiosMainly insulated by SF6 which is good at automatic-restoration, operation is reliable and safeSeveral patents are used; hydraulic pressure device for lifting, easy to operateCreative electromagnetic shielding technique, good anti-jamming performance, stable error performance  Technical Specifications ModelHJ-35HJ-66HJ-110HJ-220HJ-330HJ-500HJ-765HJ-1000Rated voltage UNkV35661102203305007501000Max working voltage kV1.2 UN or 1.5 UNRated frequency Hz50Rated power factor1.0Rated short-time voltagewithstand kV1.3 UN or 1.6 UNMeasurewindingRated secondary voltage V100/3Accuracy grade0.01,0.02Rated output capacity VA0~1Other windingRated secondary voltage V100 or 100/3Accuracy grade0.05,0.1Rated output capacity VA0~1Annual SF6 leakage0.5%Weight kg9011015526072072028506800Note:1) Several patents are used in this series of standard voltage transformer.2) We are able to supply standard voltage transformer with multiple input voltages, such as HJ-500(330).