Specification: Test van in modular structure for diagnosing and testing transformers with centralized registration of relevant electrical test values.
Main parameters:
1. Measurement of the DC resistance of the windigs
2. Measurement of the transformation ratio (Ratio measurement)
3. Control stepping switch, therefore automatic logging of the measurement data (points 1,2)
4. Measurement of the insulation resistance of the windings and of the absorption factor (R60/R15)
5. Measurement of the loss angle tan delta
6. Measurement of the no-load and short-circuit parameters
7. Measurement of the time characteristics of switching equipment
8. High voltage tests:
- DC 135 kV - AC 100 kV
9. Testing of transformer oil:
- Measurement of the dielectric strength
- Measurement of the loss angle tan delta
Remarks: Options:
1. Analysis of the moisture content and gas content of transformer oil.
2. Diagnosis of the insulation complex winding and transformer oil.
