Table 2 Dissolved gas analysis results-TANESCO
From: Transformer faults in tanzanian electrical distribution networks: indicators, types, and causes
Measured item | Unit (ppm) |
|---|---|
Oxygen | – |
Nitrogen | – |
Carbon dioxide | 691 |
Hydrogen | 5 |
Carbon monoxide | 152 |
Methane | 3 |
Ethane | 9 |
Ethylene | 3 |
Acetylene | 1.5 |
Total non-combustible gas | – |
Total combustible gas | 16 |
Water content | 26.0 |
Total acid number [mgKOH/g] | – |
Resistivity [TΩm at 80 ℃] | – |
AC break down voltage [kV/2.5 mm] | – |