GDVA-404 Portable current transformer voltage transformer CT PT analyzer Tests for Current 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 Tests for Potential Transformer: 1. Turns ratio test 2. Ratio error and phase angle error test 3. Polarity test 4. Secondary burden test 5. Winding resistance test Applications of CT/ PT Analyzer: 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 Main specification: 1. Test standards: IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13 2. Power supply: AC220V±10%,50Hz/60Hz±10% 3. Power output: 0.1~125V (AC) 4. Current output: 0.001~5A(RMS) 5. Power output:300VA 6. Maximum knee voltage measurement:45kv 7. Current measurement: Range:0~10A (automatically change range in 0.1/0.4/2/10A) Error