Table 2 Actuation duration of basic voltage vectors.
Action time | Conventional method | Improved method |
|---|---|---|
\(\hat{T}_{0}\) | \(\frac{{3\left| {u_{ref} } \right|\sin \varphi }}{{u_{dc} }}T_{s}\) | \(\frac{{3\hat{u}_{ref\alpha } }}{{u_{dc} }}T_{s}\) |
\(\hat{T}_{1}\) | \(\frac{{\sqrt 3 \left| {u_{ref} } \right|\cos \varphi }}{{u_{dc} }}T_{s}\) | \(- \frac{{\sqrt 3 \hat{u}_{ref\beta } }}{{u_{dc} }}T_{s}\) |
\(\hat{T}_{2}\) | \(\frac{{\sqrt 3 \left| {u_{ref} } \right|\cos \varphi }}{{u_{dc} }}T_{s}\) | \(\frac{{\sqrt 3 \hat{u}_{ref\beta } }}{{u_{dc} }}T_{s}\) |
\(\hat{T}_{3}\) | \(\frac{{3\left| {u_{ref} } \right|\sin \varphi }}{{u_{dc} }}T_{s}\) | \(- \frac{{3\hat{u}_{ref\alpha } }}{{u_{dc} }}T_{s}\) |
