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1. Principle of SVPWM
Space vector modulation index is limited to √3/2 but there is way to extend this limit with the over-modulation. This technique is required when the modulation index (the length of the reference space vector Us) exceeds the edges of the hexagon
1.1. The detail Linear mode
1.2. The detail OVM mode 1
1.3. The detail OVM mode 2
1.4. Example: F4 three shunt with Shinano motor at 4000rpm
