1. ELCID (Electromagnetic Core Imperfection Detection) Test. 
2. Partial Discharge Probe Test. 
3. PDCA (Polarisation Depolarisation Current Analysis) Test. 
4. FDS (Frequency Domain Spectroscopy) Test. 
5. DC Current Leakage Test. 
6. Surge Comparison Test. 
7. Contact Coefficient or Coupling Resistance test. 
8. Natural Frequency or Bump Test. 
9. Core Tightening Inspection Test. 
10. SWA (Stator Wedges Analysis) Test. 
11. Endoscopic Inspection 
12. IR/PI (Insulation Resistance and Polarization Index) Test. 
13. DC Resistance Test. 
14. Ring Flux Test.