REFUspeed RS51
Basic parameterization
7-17
DOK-RD500*-RS51*******-IB02-EN-P
V/Hz control
Parame-
ter No.:
Name
Description / explanation
selectable options
Factory setting
min ... max values
Pass
wor
d
Refer to Fig. 5-5: V/Hz characteristic diagram
0181.XX
V/f characteristic fa
0.0 Hz ... (P0182-1
Hz)
2
0185.XX
1)
V/f characteristic Ua
2)
0 V ... 3000 V
2
0182.XX
1)
V/f characteristic fb
2)
(P0181+1 Hz) ...
(P0183-1 Hz)
2
0186.XX
1)
V/f characteristic Ub
2)
0 V ... 3000 V
2
0183.XX
1)
V/f characteristic fc
2)
(P0182+1 Hz) ...
(P0184-1 Hz)
2
V/f characteristic Uc
2)
0187.XX
1)
0 V ... 3000 V
2
0184.XX
1)
V/f characteristic fd
2)
(P0183+1 Hz) ...
6000 Hz
2
0188.XX
1)
V/f characteristic Ud
The V/Hz characteristic data is calculated by the drive
converter from the entered motor rating plate data.
The characteristic values can then be changed and
optimized.
If the rating plate data are re-entered, a new calcula-
tion is made and manually entered characteristic data
is overwritten.
Select the monitor by pressing the
key. You can
then display the V/Hz characteristics in the “Graphic
display” sub-menu.
2)
0 V ... 3000 V
2
0541.XX
1)
I x R boost
I x R compensation factors.
The I x R compensation is disabled by entering 0.00%.
The I x R compensation can be used to compensate
the voltage drop across the ohmic component of the
stator winding which is proportional to the actual ap-
parent current (I act).
0.00 %
0.00 ... 20.00 %
1
0540.XX
1)
Slip compensation
Enters the factors for slip compensation.
The slip compensation is disabled by entering 0.00%.
The slip compensation can be used to compensate the
speed loss for induction motors, which is approxi-
mately proportional to the load torque.
0.00 %
0.00 ... 199.99 %
1
0562.XX
1)
Oscillation damping
For machines, which have a tendency to oscillate, a
factor can be set here, which counter-acts this oscilla-
tion tendency using the oscillation damping. Oscilla-
tion damping is disabled by entering a factor of 0.
0
-127 ... 127
2
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