SLIDE 1
Learning objectives
- What are the possible topologies for AC-
DC & DC-AC converters for both single and three phase AC systems?
- How are these power converters
- perating?
Overview of AC-DC & DC-AC Converters Pavol Bauer Learning - - PowerPoint PPT Presentation
Overview of AC-DC & DC-AC Converters Pavol Bauer Learning - - PowerPoint PPT Presentation
Overview of AC-DC & DC-AC Converters Pavol Bauer Learning objectives What are the possible topologies for AC- DC & DC-AC converters for both single and three phase AC systems? How are these power converters operating?
SLIDE 2
SLIDE 3
dc,av ac,in ac,in
2 V 2 V 0.9 V
dc,av
v
dc,av
i
Single-Phase Diode Rectifier
ac,in
v
SLIDE 4
Three-Phase Diode Rectifier
dc,av ab ab
3 V 2 V 1.35 V
ab a b bc b c ca c a
ab
bc
ac
dc,av
i
dc,av
v
SLIDE 5
Single-Phase DC-AC Inverter – Half-Bridge
SLIDE 6
Single-Phase DC-AC Inverter – Half-Bridge
T 2
T
1
S
t
SLIDE 7
Single-Phase DC-AC Inverter – Half-Bridge
T 2
T
2
S
t
SLIDE 8
Single-Phase DC-AC Inverter – Half-Bridge
T 2
T
- i
- V
in
V 2
in
V 2
t
- i
SLIDE 9
Single-Phase DC-AC Inverter – Full-Bridge
- V
n
an a n
v v v
bn b n
v v v
- ab
an bn
v v v v
SLIDE 10
Three-Phase DC-AC Inverter
- V
n
SLIDE 11
Single-Phase DC-AC Inverter – Full-Bridge
SLIDE 12
Three-Phase DC-AC Inverter
SLIDE 13
Summary
ab
bc
ac
dc,av