Voltage transformer CYEVT1-24

currentinstrumentcontrol

The products accord with standard IEC60044-8 , GB/T20840.8-2007, and can meet customer’s other special requirement. The products use Rogowski winding to test current, mainly used in ≤ 35kV switchgear, match with electric instrument, digital measure and protective equipment, can at the same time realize multi-functions such as measure, control, protection and data transmission etc, secondary open circuit can not produce high voltage. Main technical parameter 1. Rated primary voltage：22/√3kV 2. Rated secondary voltage : 2/√3V,3.25/√3V or 6.5/√3V 3. Rated burden >1MΩ 4. Rated digital output : 0x2D41(measuring), 0x01CF(protection) 5. Accuracy for measure winding : 0.2 6. Protective accuracy winding : 3P 7. Rated frequency : 50Hz 8. Rated insulation level :24/65/125kV 9. Rated short time thermal current : 50-200A: 150Ipr, 300-2000A :31.5kA/1S 10. Ambient temperature : -5℃ -40℃ (indoor), -25℃-50℃(outdoor) 11. Ambient humidity : ≤RH95%(25℃ ) 12. Altitude : ≤ 2000m ( Can devise according customer’s requirement) 13. Installation site : indoor/ outdoor