Current Transformers, SF6 Gas-insulated LVQB-series 36kV~765kV

Current Transformers, SF6 Gas-insulated LVQB-series 36kV~765kV

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Current Transformers, SF6 Gas-insulated  LVQB-series 36kV~765kV

Catalogues:   (Download   )
Current Transformers, SF6 Gas insulated, 36~550kV  .pdf

SF6 gas insulated current transformers 
36…765kV  LVQB- series
765kV 550kV 420kV 362kV 300kV 245kV 170kV 145kV 123kV 72.5kV 52kV 36kV High voltage current transformer,  SF6 gas insulated current transformer, SF6 CT

SF6 Gas-insulated Current Transformers is applied for metering and protect in 36~765kV High-voltage power transmission system.
—— The features of the equipment omply with IEC 60044-1, IEC 61869-2, IEEE/ANSI C57.13, CAS,AS
—— Modern and compact design,good insulation performance,high mechanical strength
—— There are various options on output and accuracy class
—— The most modern manufacturing technology on gas-insulation manufacture
—— Comply with the quality requirement of ISO9001

Main technical parameters
· Highest system voltage: 36~765kV
· Rated frequency: 50Hz or 60 Hz
· Polarity:Negative
· Raetd primary current: 5~5000A
· Rated secondary current: 1A or 5A
· Accuracy class of the windings for measurement: CL0.15, 0.2S, 0.2, 0.5S, 0.5, 1
· Accuracy class of the windings for protect: 5P, 10P, 5PR, 10PR, TPY, TPS, TPX, TPZ, PX
· No. of the secondary windings: 1~10
· Rated output: 5~100VA
· Security factor of the instrument (Fs):5, 10
· Accuracy limit coefficient:5,10,15,20,25,30,35,40, 50
· Rated output capacitance:5~200VA
· Accuracy limit conditions of the TPY class:
     a. Short circuit time constant of primary windings Tp-100ms
     b. Direct Current Amount of short circuit current100%
     c. Stipulated operating cycle:C100ms O300~500ms C50~100ms O, The accuracy time of the twice power turn-on is 40ms or 50ms

750kV 500kV 400kV 330kV 275kV 230kV 220kV 161kV 150kV 138kV 132kV 115kV 110kV 88kV 69kV 66kV 63kV 46kV 33kV High voltage SF6 gas insulated current transformer,  high voltage Current transformer  HV SF6 CT


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