GDVA-404 Automatic Current Transformer CT Analyzer
I. Application
Tests for Current Transformer:
- Excitation curve and parameters test
- Turns ratio test
- Ratio and phase error test
- Polarity mark check
- Coil resistance measurement
- Secondary loop burden measurement
- Error line curve test for protection CT
- Transient CT parameters test
- CT nameplate guess
- Saturation hysteresis loop curve measurement
Tests for Voltage Transformer:
- Turns ratio test and phase angle error test
- Polarity test
- Secondary burden test
- Coil resistance test
Applications for CT PT Tester:
- CT nameplate check
- CT parameters check in work burden
- CT transient parameters analysis
- CT ratio and phase error calibration
- PT routine test
II. CT PT Tester Technical Index
1 Test standards: IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13
2 Power supply: AC220V±10%,50Hz/60Hz±10%
3 Power output: 0.1~180V (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 <±0.1%+0.01%FS
8 Voltage measurement:
Range:0~200 V (automatically change range in 1V/10V/70V/200V)
Error < ±0.1%+0.01%FS
9 Turns ratio measurement:
Range : 1~35000,
1~2000 error<0.05%
2000~5000 error>0.1%
5000~35000 error<0.2%
10 Phase measurement: error:±2min,resolution:0.01min
11 Coil resistance measurement:
Range:0~8kΩ (automatically change range in
2ohm/20ohm/80ohm/800ohm/8kohm)
Error< 0.2%RDG+0.02%FS
Maximum resolution:0.1mΩ
12 Temperature measurement:-50~100 Celsius degree, error<3
Celsius degree
13 CT Secondary burden:
Range 0~160ohm (automatically change range in
2ohm/20ohm/80ohm/160ohm)
Error <0.2%RDG+0.02%FS
Maximum resolution 0.001ohm
14 PT Secondary burden:
Range 0~80kohm (automatically change range in 800ohm/8kohm/80kohm)
Error <0.2%RDG+0.02%FS
Maximum resolution: 0.1ohm
15 PT ratio measurement:
Range :1~35000,
1~5000 error<0.2%
5000~35000 error<0.5%
16 Saved data groups:>1000groups
17 Work condition: Temperature:-10℃~50℃, moist:≤90%
18 Size: 485mm×356mm×183mm
19 Weight: <15Kg
III. Full Set of CT PT Tester
Name | Quantity | Description |
Host | 1 | |
3M mask cable | 2 | |
10M mask cable | 1 | |
Grounding cable 6M | 1 | Diameter size large than4MM |
Big test pliers | 2 | One red and one black |
Test gasket | 4 | Two red and two black |
Test pin | 4 | Two red and two black |
Test pliers | 4 | Two red and two black |
Power cable | 1 | |
Accessories bag | 1 | |
Production disk | 1 | Include Analysis application and instruction manual |
Instruction manual | 1 | |
Inspection report | 1 | |
Pass certificate | 1 | |
