PART | INDEX | 1# | 2# | 3# | 4# | 5# | PART | INDEX | 1# | 2# | 3# | 4# | 5# |
BODY | Sealing condition | 2 | 4 | 3 | 2 | 4 | IRON CORE | Ground current (A) | 0.14 | 0.36 | 0.07 | 0.28 | 0.19 |
Oil pillow temperature (˚C) | 69 | 78 | 66 | 74 | 83 | Total hydrocarbon (μL/L) | 158 | 178 | 144 | 158 | 163 | ||
Top oil temperature (˚C) | 52 | 59 | 50 | 59 | 61 | Acetylene (μL/L) | 1.2 | 2.3 | 0.8 | 1.5 | 2.1 | ||
Oil leakage condition | 3 | 3 | 4 | 1 | 4 | CO2/CO ratio | 30 | 38 | 46 | 34 | 35 | ||
Hydrogen (μL/L) | 157 | 169 | 148 | 155 | 145 | ||||||||
Water in oil (ppm) | 5 | 9 | 3 | 4 | 6 | SWITCH | Action situation | 2 | 3 | 4 | 3 | 4 | |
WINDING | Short circuit resistance (%) | 1.4 | 3.8 | 1.1 | 2.5 | 4.3 | Noise | 4 | 3 | 3 | 1 | 2 | |
BUSHING | Capacitance (%) | 0.8 | 1.4 | 2 | 0.9 | 1.9 | |||||||
Insulation resistance (MΩ) | 18 | 10 | 21 | 13 | 19 | Dialectric loss angle (%) | 2 | 4.3 | 1.2 | 1.5 | 3.8 | ||
Absorption ratio | 1.2 | 1.09 | 1.34 | 1.45 | 1.26 | ||||||||
Partial discharge (%) | 76 | 98 | 89 | 65 | 9 | COOLING SYSTEM | Congestion | 2 | 3 | 4 | 2 | 2 | |
DC resistance (%) | 1.26 | 1.08 | 0.82 | 0.94 | 1.35 | Fan situation | 3 | 4 | 3 | 2 | 1 |