Chapter 6 – Firmware Description
6-2
ACA 635 IGBT Supply Sections
Control Principle
The fundamental theory of line converter operation can be presented
by an equivalent circuit with an AC choke and vector diagrams (below),
where
____ motoring
_ _ _ generating
U
1
network
voltage
vector
U
2
line converter voltage vector
U
L
AC choke voltage vector
y
“network flux” vector
y
“line converter flux” vector
y
L
“AC choke flux” vector
d
power transfer angle.
U
1
U
2
I
j
w
L
d
j
w
Li = U
L
U
1
U
2
I
y
y
y
L
U
2gen.
I
gen
Содержание ACS 600 MultiDrive
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