From: Discrete space vector modulation and optimized switching sequence model predictive control for three-level voltage source inverters
Sector
Switching sequence type
Switching sequence
1-I
P
OOO-POO-PPO
N
ONN-OON-OOO
1-II
PON-POO-PPO
ONN-OON-PON
1-III
PNN-PON-POO
ONN-PNN-PON
1-IV
PON-PPN-PPO
OON-PON-PPN