Skip to main content

Table 1 Switching States of a 3-Φ VSI Inverter

From: High performance decoupled active and reactive power control for three-phase grid-tied inverters using model predictive control

Switching

State

S1 S3 S5

Vector Notation

Ux

Space Vector

ŪS

α-β Components

Uα and Uβ

Mag.

Angle

Uα

Uβ

0 0 0

U0

0

N/A

0

0

1 0 0

U1

2/3VDC

0

2/3VDC

0

1 1 0

U2

2/3VDC

Ï€/3

1/3VDC

1/√3VDC

0 1 0

U3

2/3VDC

2Ï€/3

−1/3VDC

1/√3VDC

0 1 1

U4

2/3VDC

Ï€

- 2/3VDC

0

0 0 1

U5

2/3VDC

4Ï€/3

−1/3VDC

−1/√3VDC

1 0 1

U6

2/3VDC

5Ï€/3

1/3VDC

−1/√3VDC

1 1 1

U7

0

N/A

0

0