Introduction - Control of Power Inverters in Renewable Energy and Smart Grid Integration - page 6

i o

D 1 D 3

i s

+

~

v s

Load

v o

-

D 4 D 2

(a) Topology

0 π 2 π 3 π 4 π 0 π 2 π 3 π 4 π

ω t/rad ω t/rad

(b) Input voltage (c) Output voltage

Figure 1.4 Uncontrolled bridge rectifier

i o

D 1 D 5

D 3

v a

~

i a

+

v b

~

v o

Load

i b

-

v c

~

i c

D 2

D 4 D 6

(a) Topology

v ab v ac v bc v ba v ca v cb v o

v a v b v c

0 0

π 2π 3π 4π π 2π 3π 4π

ωt/rad ωt/rad

(b) Input voltages (c) Output voltage

Figure 1.5 Uncontrolled three-phase bridge rectifier