Features and Advantages
1. Adopting patented technology – DC frequency conversion attenuation principle;
2. Three phase transformers can achieve demagnetization by demagnetizing only phase B;
3. Equipped with automatic current stabilization judgment and 16 bit AD data acquisition and processing functions;
4. Equipped with manual/automatic demagnetization mode;
5. Fast demagnetization speed – increasing from 30 minutes to no more than 4 minutes per session;
6. Significant demagnetization effect – increased from 80% to over 90% in a single pass;
7. The current line that can be directly used for DC resistance testing is convenient for matching with DC resistance testing;
8. Clear interface and real-time display of demagnetization progress;
9. Suitable for eliminating residual magnetism before commissioning of large power transformers and transformers with a voltage of 35kV and above; Especially for large capacity transformers with voltage levels of 330kV and above;
10. This product has a small volume and light weight, making it very suitable for on-site use.
Parameter
| Demagnetization current | 5A, 1A, 200mA, 5mA customizable |
| Demagnetization methods | manual, automatic |
| Demagnetization time | manual 3min/time, automatic 9min/time |
| Demagnetization effect | greater than 90%/time |
| Demagnetization progress | 0-100% |
| Working power supply | AC 220V ± 10% |
| Power frequency | 50Hz ± 1Hz |
| Environmental temperature | -25 ℃~50 ℃ |
| Environmental humidity | ≤ 90% |
| Weight | 5kg (excluding testing line) |
