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Pre-commissioning Checklist Primary Systems - Substation Instrument transformers physical checks and tests Post current transformers; bar primary and current transformers and voltage transformers Substation Equipment no. Manufacturer Voltage Rating(s) Serial no. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Performed by Service no. Date Click here to enter text. Click here to enter text. Click here to enter a date. 1. Visual inspection – Post CT and VTs Action/check Acceptable criteria Results No cracks or defects Click here to enter text. All control cables wiring are correctly labelled Labelling is correct Click here to enter text. Control cabling and terminations are correctly marked and complete. Marking is complete and correct Click here to enter text. Check secondary windings of all CTs connected - Refer to PMI 4110 and PDI 4003 Correct Click here to enter text. Check all cable terminations for tightness Terminations are tight Click here to enter text. Check for any oil leaks (oil filled CTs and VTs). No oil leaks Click here to enter text. Oil level to mark Click here to enter text. Terminal marking is complete and correct Click here to enter text. Inspect for cracks or other defects Check oil level in oil filled current transformers. Verify terminal markings are correct Initials 2. Visual inspection – bar primary and ring CT Action/check Acceptable criteria Results No cracks or defects Click here to enter text. All control cables wiring are correctly labelled Labelling is correct Click here to enter text. Control cabling and terminations are correctly marked and complete. Marking is complete and correct Click here to enter text. Check secondary windings of all CTs connected - Refer to PMI 4110 and PDI 4003 Correct Click here to enter text. Terminations are tight Click here to enter text. Terminal marking is complete and correct Click here to enter text. Inspect for cracks or other defects Check all cable terminations for tightness Verify terminal markings are correct FAE 3406 June 2015 SDI 535 Page 1 of 3 Initials 3. Oil quality and DGA Action/check Check manufacturer’s certificate of oil quality and DGA. Note: Oil shall be re-tested at site, if the oil quality is doubtful. Acceptable criteria Oil quality in tank is in accordance with ETS 0009. Results Initials Click here to enter text. 4. Electrical tests – bar primary and ring CT and post CTs Action/check Acceptable criteria Results Polarity test (as specified in PMI 4110 and PDI 4003) Serviceable Click here to enter text. Ratio test (as specified in PMI 4110 and PDI 4003) Serviceable Click here to enter text. Perform magnetising test on CTs (as specified in PMI 4110 and PDI 4003) Serviceable Click here to enter text. Acceptable criteria Results against primary busbar phasing. As specified in PMI 4110 and PDI 4003 Serviceable Click here to enter text. Polarity test Serviceable Click here to enter text. Ratio test Serviceable Click here to enter text. Record results Click here to enter text. Initials 5. Electrical tests – VTs Action/check Initials Voltage phasing - Identify phasing of VTs Measure resistance primary and secondary fuses 6. Functional checks for all types of CTs and VTs Action/check Acceptable criteria Results Serviceable Click here to enter text. Action/check Acceptable criteria Results Perform power-frequency withstand voltage of 2kV for 1 min, given as follows: All new wiring installed at site. All wiring not tested for PFWV in factory. All wiring disconnected and removed for transport. Note: If wiring has to be taken off or if electronic devices are in circuits, these circuits shall not be tested). No disruptive discharge Click here to enter text. Check functionality of all associated electrical circuits as specified in PMI 4110 and PDI 4003 Initials 7. Electrical tests – VTs FAE 3406 June 2015 SDI 535 Page 2 of 3 Initials Conducted/ tested/inspected by and sign FAE 3406 June 2015 Service no. Witnessed by and sign SDI 535 Service no. Reviewed/ reported by and sign Service no. Page 3 of 3