The common tests which are applicable for more than one power equipments are listed below and explain in details in the following pages.
1. Core Insulation Resistance Test
2. Winding Insulation Resistance test
3. Polarization Index
4. Winding Resistance Test (all taps)
5. Excitation Current test
6. Insulation Power Factor test
7. Vector Relationship Test
8. Winding Temperature Indicator (WTI) test, Hot-spot Temperature Indicator
9. Oil Temperature Indicator Test
10. Percent impedance test.
11. Turn Ratio Test
12. Insulating Oil Tests
13. CT & PT Insulation resistance test
14. CT &PT Winding resistance measurement
15. CT &PT Polarity test or flick test with battery & Phase Identification Test
16. CT &PT Ratio test by current primary injection
17. CT Magnetizing (Saturation) current test
18. CT &PT Loop resistance test (Burden test)
19. CT &PT Insulation Power Factor Test
20. CT &PT Inter-core coupling Check
21. CT &PT Demagnetization of CT
22. Contact resistance test (Resistance measurement of main circuit)
23. Gas Leakage Test (Gas SF 6 Gas tightness test)
24. Moisture content measurement in SF6 Gas (Dew point test)
25. Gas density switch test
26. Air Pressure switch test (APS Calibration)
27. Operating characteristics test (Timing test)
28. MCS Test
29. Auxiliary relay test
30. VT Secondary injection (injection of voltage and measurement of voltage in LCC)
31. Function Test
32. CT Primary injection (Turn Ratio) Injection of current and measurement of current in LCC only)
33. Bus bar stability (Injection of current and measurement of current in LCC only)
34. Interlock Test
35. 10kV insulation test on external earthling switch's pole (10kV ES insulation)
36. Power Frequency withstand voltage test (Hi voltage test)
37. Partial Discharge Measurement
38. Phase checking for conductor and sheath every link box
39. 10. KV D.C. for sheath.
40. D.C conductor resistance measurement.
41. Capacitance measurement.
42. Earth resistance measurement.
43. Verification of cross bonding test at link boxes.
44. Zero sequence impedance
45. Positive sequence impedance.
46. Oil flow test for oil field cable
47. Oil impregnation for oil field cable
48. AC H.V.T.