Tests for Current Transformer: | Tests for Potencial Transformer: |
1 Excitation curve and parameters test 2 Turns ratio test 3 Ratio and phase error test 4 Polarity mark check 5 Winding resistance measurement 6 Secondary loop burden measurement 7 Error line curve test for protection CT 8 Transient CT parameters test 9 CT nameplate guess 10 Saturation hysteresis loop curve measurement | 1 Turns ratio test 2 Ratio error and phase angle error test 3 Polarity test 4 Secondary burden test 5 Winding resistance test |
1 CT nameplate check 2 CT parameters check in work burden 3 CT transient parameters analysis 4 CT ratio and phase error calibration 5 PT routine test |