Research Article
An Enhanced Space Vector PWM Strategies for Three Phase Asymmetric Multilevel Inverter
Table 4
Selection of outer 2L hexagons from 6L SVD and mapping of Vref2O from Vref6.
| | Hexagon No | Range of θ | V 2αo | V2βo |
| | 348° to 12° | V 6α−4E | V6β | | 12° to 24° | V6α − 3.6Ecos (π/12) | V6β − 3.6Esin (π/12) | | 24° to 36° | V6α − 3.46Ecos (2π/12) | V6β − 3.46Esin (2π/12) | | 36° to 48° | V6α − 3.6Ecos (3π/12) | V6β − 3.6Esin (3π/12) | | 48° to 72° | V6α − 4Ecos (4π/12) | V6β − 4Esin (4π/12) | | 72° to 84° | V6α − 3.6Ecos (5π/12) | V6β − 3.6Esin (5π/12) | | 84° to 96° | V6α − 3.46Ecos (6π/12) | V6β − 3.46Esin (6π/12) | | 96° to 108° | V6α − 3.6Ecos (7π/12) | V6β − 3.6Esin (7π/12) | | 108° to 132° | V6α − 4Ecos (8π/12) | V6β − 4Esin (8π/12) | | 132° to 144° | V6α − 3.6Ecos (9π/12) | V6β − 3.6Esin (9π/12) | | 144° to 156° | V6α − 3.46Ecos (10π/12) | V6β − 3.46Esin (10π/12) | | 156° to 168° | V6α − 3.6Ecos (11π/12) | V6β − 3.6Esin (11π/12) | | 168° to 192° | V6α + 4E | V6β | | 192° to 204° | V6α − 3.6Ecos (13π/3) | V6β − 3.6Esin (13π/12) | | 204° to 216° | V6α − 3.46Ecos (14π/12) | V6α − 3.46Esin (14π/12) | | 216° to 228° | V6α − 3.6Ecos (15π/12) | V6β − 3.6Esin (15π/12) | | 228° to 252° | V6α − 4Ecos (16π/12) | V6β − 4Esin (16π/12) | | 252° to 264° | V6α − 3.6Ecos (17π/12) | V6β − 3.6Esin (17π/12) | | 264° to 278° | V6α − 3.46Ecos (18π/12) | V6β − 3.46Esin (18π/12) | | 278° to 290° | V6α − 3.6Ecos (19π/12) | V6β − 3.6Esin (19π/12) | | 290° to 314° | V6α − 4Ecos (20π/12) | V6β − 4Esin (20π/12) | | 314° to 326° | V6α − 3.6Ecos (21π/12) | V6β − 3.6Esin (21π/12) | | 326° to 337° | V6α − 3.46Ecos (22π/12) | V6β − 3.46Esin (22π/12) | | 337° to 348° | V6α − 3.6Ecos (23π/12) | V6β − 3.6Esin (23π/12) |
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