This Electronic Voltage Transformer accords with standard IEC60044-7, GB/T20840.7-2007, and can meet customer’ s other special requirement. The products use resistive partial-pressure method to test voltage, mainly be used in the ≤ 35kV switchgear, match with electric instrument, digital measure and protective equipment, can at the same time realize the multi-functions such as measure, control, protection and data transmission etc.
 

Main techinical parameter

1. Rated primary voltage : 35/ √ 3kV

2. Rated secondary voltage : 3.25/√ 3V or 6.5/√ 3V

3. Rated digital output : 0x2D41

4. Accuracy for measure winding : 0.2

5. Accuracy for protective winding : 3P

6. Rated frequency : 50Hz

7. Rated insulation level : 40.5/95/185 kV

8. Ambient temperature : -5℃ -40℃ (indoor), -25℃-50℃(outdoor)

9. Ambient humidity : ≤ RH95%(25℃ )

10. Altitude : ≤ 2000m( Can devise according customer’ s requirement)

11. Installation site : indoor/ outdoor

We have passed ISO9001:2000,UL, CQC,CE ect. Certificates.Products with High accuracy, stable quality, reasonable prices are  used by many famous coporations in the world.