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Table 2 Grid fault type codes

From: A novel controllable crowbar based on fault type protection technique for DFIG wind energy conversion system using adaptive neuro-fuzzy inference system

Faulted phases ANFIS outputs
ANFISa ANFISb ANFISc Fault type
No fault 0 0 0 0
Phase a to ground 1 0 0 1a
Phase b to ground 0 1 0 1b
Phase c to ground 0 0 1 1c
Phases a and b to ground 1 1 0 1a, b
Phases b and c to ground 0 1 1 1b, c
Phases c and a to ground 1 0 1 1c, a
Phases a, b, and c to ground 1 1 1 1a, b, c