TRANSFORMER OIL TESTSDissolved Gas-in-oil Analysis
Date: 4/28/2006
Customer: HVES
Circuit/Location: Unit 43
Manufacturer: Howard Industries
KVA?TYPE or M/N: 1000
Serial Number: 1865850906
TEST IN SERVICE NORMS* RESULTS
Hydrogen (H2) 240 ppm 9 PPM
Methane (CH4) 160 ppm 2 PPM
Ethane (C2H6) 115 ppm 2 PPM
Ethylene (C2H4) 190 ppm 5 PPM
Acetylene (C2H2) 11 ppm 0 PPM
Carbon Monoxide (CO) 580 ppm 28 PPM
Carbon Dioxide (CO2) n/a 257 PPM
Nitrogen (N2) n/a 69750 PPM
Oxygen (02) n/a 17070 PPM
TOTAL GAS n/a 87123 PPM
TOTAL COMBUSTIBLES n/a 46 PPM
Estimated TCG n/a 0.05 %
CO2/CO Ratio: 9.34
ANALYSIS:
All gases are within accepted limits.
RECOMMENDATION:
Resample in 1 year.
*In-Service Norms as follows
Generating Transmission
H2 240 ppm 100 ppm
CH4 160 ppm 120 ppm
C2H6 115 ppm 65 ppm
C2H4 190 ppm 30 ppm
C2H2 11 ppm 35 ppm
CO 580 ppm 350 ppm
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