Appendix 8 - Gas Filling Check List - GE PHI 530.1425.2500 Operating And Maintenance Instructions Manual

HVDC TRANSFORMER BUSHINGS
PHI 530.1425.2500
IS 2664 GB
PHI 265.850.1500
Page 70 of 70
Kepco project
Appendix 8 – Gas filling check list
ppm by weight from gas certificates ppm by weight from measurements
Hydrolizable
Total acidity Dew point at
Bottle SF6 content fluorides in SF6 content
Bushing S.N. Air CF4 H2O Mineral oil expressed in amospheric HF SO2
S.N. by weight terms by weight
HF pressure
of HF
Reference data ≥99.9% ≤ ≤ ≤ ≤ 500 ppmw ≤ ≤ ≤ ≤ 500 ppmw ≤ ≤ ≤ ≤ 15 ppmw ≤ ≤ ≤ ≤ 10 ppmw ≤ ≤ ≤ ≤ 0.3 ppmw ≤ ≤ ≤ ≤ 1 ppmw ≤ ≤ ≤ ≤ -40° C ≥99.9% ≤ ≤ ≤ ≤ 1 ppmw ≤ ≤ ≤ ≤ 0 ppmw
Date:
Prepared by:
Controlled by: