GF106 0.05 accuracy portable current transformer test set
GF106 0.05 accuracy of current transformer test set is mainly used for field testing, it can finish the measurements (M) and protection (P) class CT, PT and TYP class CT. Adopt LCD, self-equipped mini type printer supporting field printing; supporting to use USB flash disk to dump data, with simple and convenient operation.
Features
Steady and transient state characteristic tests of various types of CT/PT
The use of advanced power technology, the test knee point reaches up to 40kV
No external other auxiliary equipment, stand-alone to complete all test items
CT test, easy to test, all the tests are using the same wire connection except the load test
It carries with thermal printer, so it can print test results on site
Parameters such as knee point current and voltage
Parameters such as 10% error curve, 5% error curve
The device can store 3000 groups of test data which would not be lost if the device is power off.
The data can be displayed and analyzed after the test, or transferred to PC through USB disk and produce a Word file report
Portability: weight < 12kg
FUNCTION
| I. Current Transformer (CT) |
II. Voltage Transformer (PT) |
| 1. Magnetization curve |
1. Excitation characteristic test |
| 2. Transformation ratio test |
2. Transformation ratio test |
| 3. Polarity |
3. Polarity |
| 4. 5% and 10% error curve |
4. Ratio error, phases |
| 5. Current Injecting |
5. Degauss |
| 6. Degauss |
6. Calculation of knee point value |
| 7. Ratio error, phases |
7. Actual secondary load (burden), test (burden) |
| 8. Automatic calculation of excitation knee point value |
8. Resistance test |
| 9. Actual secondary load test (burden) (load test) |
| 10. Resistance test |
| 11. Secondary winding time constant (Ts) |
| 12. Remanence coefficient (Kr) |
| 13. Transient dimensioning factor (Ktd) |
| 14. Peak instantaneous error (Er) |
| 15. Magnetizing inductance (LU) |
Parameters
| Electrical parameters |
| Accuracy |
0.05%, 0.1% |
| Power supply |
AC 220V±10% or AC 110V±10%, 50/60Hz |
| Excitation output voltage |
0-220Vrms |
| Excitation output current |
0-5Arms (20A peak-value) |
| Automatic frequency variation range |
0.1-60Hz |
| Equivalent excitation voltage |
≤5000V |
| Accuracy |
≤0.5% (0.2%RD+0.3%RG) |
| Secondary winding DC resistance measurement |
Range |
0.1-300Ω |
| Accuracy |
≤0.5% (0.2%RD+0.3%RG) |
| Secondary actual load measurement |
Range |
5VA-1000VA |
| Accuracy |
≤0.5% (0.2%RD+0.3%RG)±0.1VA |
| CT/PT phase error measurement |
Accuracy |
±4min |
| Resolution |
0.01min |
| CT ratio error measurement |
Range |
1-30000 |
| Accuracy |
≤0.5% |
| PT ratio error measurement |
Range |
1-10000 |
| Accuracy |
≤0.5% |
| Standards |
| Reference standards |
GB1207-2006, GB1208-2006, GB16847-1997
IEC60044-1, IEC60044-6, IEC61869-2-2012 |
| Safety standards |
GB 4793.1-2007 |
| EMC |
EMC standard 89/336/EEC |
| FCC Subpart B of Part 15 Class A |
| IEC 1000-4-2/3/4/6 |
| Mechanical parameters |
| Overall dimension (L x W x H) (mm) |
410 x 250 x 300 |
| Weight (kg) |
≤10 |
| Environmental conditions |
| Relative humidity |
90RH% |
| Operating temperature |
-10°C to +40°C |
| Altitude |
≤2000m |
Main functions
| The test items mainly include |
| Steady |
Transient |
| excitation characteristic |
secondary winding time constant (Ts) |
| transformation ratio |
remanence coefficient (Kr) |
| polarity |
transient dimensioning factor (Ktd) |
| ratio error |
peak instantaneous error (Er) |
| phases |
magnetizing inductance (LU) |
| 5% and 10% error curves |
other parameters |
| resistance |
| secondary load |
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