CT/PT tester

1.1 Application

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)Coil resistance measurement

6)Secondary loop burden measurement

7)Error line curve test for protection CT

8)Transient CT parameters test

9)CT nameplate guess

Tests for voltage transformer:

1)Excitation curve test

2)Turns ratio test

3)Polarity test

4) Secondary burden test

5) Coil resistance test

Applications for CTPT 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

1.2 CTPT analyzer technical index

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 Current measurement:

Range:0~10A (automatically change range in 0.1/0.4/2/10A)           

Error <±0.1%+0.01%FS

7 Voltage measurement:

Range:0~200 V (automatically change range in 1V/10V/70V/200V)

Error < ±0.1%+0.01%FS

8 Turns ratio measurement:

Range :1~10000,

1~1000 error<0.05%

1000~2000 error<0.1%

2000~10000 error<0.2%

9 Phase measurement: error:±2min,resolution:0.01min

10 Coil resistance measurement:

Range:0~8kΩ (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm)

Error< 0.1%+0.01%FS

Maximum resolution:0.1mΩ

11 Temperature measurement:-50~100 Celsius degree, error<3 Celsius degree

12 CT Secondary burden:

Range 0~160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm)

Error <0.1%+0.01ohm

Maximum resolution 0.001ohm

13 PT Secondary burden:

Range 0~80kohm (automatically change range in 800ohm/8kohm/80kohm)

Error <0.2%+0.02%FS

Maximum resolution: 0.1ohm

14 Saved data groups:>1000groups

15 Work condition: Temperature:-10℃~50℃, moist:≤90%

16 Size: 485mm×356mm×183mm

17 Weight: <13Kg