gefran AFE200 4 Series Instruction Manual page 89

Active front end regenerative power supply unit
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5 - REFERENCE
AFE have a DC-link voltage regulation circuit; which can be adapted to suit the various applications.
In the standard version, the regulator has PI behaviour and the regulator parameters are the same for
the entire field of regulation.
Menu
PAR
Description
5.1
600
Dig DC voltage ref
Setting of the digital reference for the DC-link voltage ramp. This reference sets the
ramp voltage that the DC-link must reach after the acceleration phase.
Variations in the ramp reference are made with the selected ramp times.
Menu
PAR
Description
5.2
288
Reactive current ref
Setting of the reference value for the reactive current to be supplied by the AFE200 to
the mains.
Menu
PAR
Description
5.3
602
Acceleration time DC
5.4
604
Deceleration time DC
The acceleration and deceleration ramp times are used to avoid sudden changes
in the DC bus voltage. The acceleration time is expressed as the time needed to
increase the voltage from zero to the maximum value (AFE200-4 = 875 V, AFE200-
6 = 1300V). The deceleration time is expressed as the time needed to reduce the
frequency from the maximum value to zero.
Menu
PAR
Description
5.5
608
DC voltage ref src
Selection of the origin (source) of the DC voltage reference signal. The signal used for
this function can be set from among those available in the "L_VREF" selection list.
UM
Type
FB BIT
V
FLOAT
UM
Type
FB BIT
A
FLOAT
UM
Type
FB BIT
s
FLOAT
s
FLOAT
UM
Type
FB BIT
LINK
16
L�VREF
AFE200 • Instruction Manual
Def
Min
CALCF
CALCF
Def
Min
0.0
0.0
Def
Min
5.0
0.0
5.0
0.0
Def
Min
600
0
Max
Acc
CALCF
RW
Max
Acc
CALCF
RW
Max
Acc
20.0
RW
20.0
RW
Max
Acc
16384
RW
89

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