From: Direct torque control of doubly fed induction motor using three-level NPC inverter
Vector voltage | Symbol |
---|---|
Zero vectors | V0, V7 and V14 |
Large vectors | V15, V16, V17, V18, V19 and V20 |
Medium vectors | V21, V22, V23, V24, V24, V25 and V26 |
Small vectors | V1, V2, V3, V4, V5, V6, V8, V9, V10, V11, V12, V13 |