Fault type | LG | LL | LLL | No fault | ||||
Flag | A | B | C | AB | BC | CA | ABC | |
Ratio A | √ | × | × | √ | × | √ | √ | × |
Ratio B | × | √ | × | √ | √ | × | √ | × |
Ratio C | × | × | √ | × | √ | √ | √ | × |
V0 | √ | √ | √ | × | × | × | √ × | × |