GDVA-404 CT/PT Tester
1 Application
Test for current transformer (ct)
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 power transformer(pt):
1)Excitation curve test
2)Turns ratio test
3)Polarity test
4) Secondary burden test
5) Coil resistance test
Applications for current transformer CT powertransformer 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
1.2 CT PT analyzer technical index
Test standards
| IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13
|
Power supply | AC220V±10%,50Hz/60Hz±10% |
Power output | 0.1~125V (AC) |
Current output
| 0.001~5A(RMS) |
Power output | 300VA |
Current output | 0.001~5A(RMS) |
Power output | 300VA |
Current measurement | Range:0~10A (automatically change range in 0.1/0.4/2/10A) Error <±0.1%+0.01%FS
|
Voltage measurement | Range:0~200 V (automatically change range in 1V/10V/70V/200V) Error < ±0.1%+0.01%FS
|
Turns ratio measurement | Range :1~10000, 1~1000 error<0.05% 1000~2000 error<0.1% 2000~10000 error<0.2%
|
Phase measurement: | error:±2min,resolution:0.01min |
Coil resistance measurement | Range:0~8kΩ (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm) Error< 0.1%+0.01%FS
|
Turns ratio measurement | Range :1~10000, 1~1000 error<0.05% 1000~2000 error<0.1% 2000~10000 error<0.2%
|
Phase measurement | error:±2min,resolution:0.01min |
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
|
Temperature measurement
| -50~100 Celsius degree, error<3 Celsius degree
|
CT Secondary burden:
| Range 0～160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm) Error <0.1%+0.01ohm |
PT Secondary burden:
| Range 0～80kohm (automatically change range in 800ohm/8kohm/80kohm) Error <0.2%+0.02%FS Maximum resolution: 0.1ohm
|
Saved data groups
| >1000groups
|
Work condition: Temperature | -10℃～50℃, moist:≤90% |
Size:
| 485mm×356mm×183mm <13Kg |
Related Products:
GDVA-401 CT/PT Tester
GDVA-402 CT/PT Tester
GDVA-403 CT Tester
