1 Advanced tests as follow:
- Advanced tests for transformers: No load lossing test (Po), short circuit loss test (Pk) at rated conditions; heat run, noise level, lightning impulse, partial discharge for electrical transformers;
- Quality assessment test of electrical wires and cables;
- Lightning arrester test.
2 Other tests as follow:
- Induced voltage withstand test;
- Power frequency withstand voltage test on power transformers up to 500kV, power cable up to 220kV, GIS up to 750kV (HV AC );
- Partial Discharge measurement (PD);
- Sweep frequency response analysis (SFRA);
- Moisture amount content in hardened solid insulation.