Omron SYSDRIVE RV Series User Manual page 386

Related Parameters
Param-
eter
Number
Droop con-
trol gain
b7-01
Droop Quan-
tity
Droop con-
trol delay
time
b7-02
Droop Delay
Time
Setting Precautions
Droop control is disabled if b7-01 is set to 0.0.
•
Set b7-01 to the amount of slip as the percentage of slip when the maximum output frequency is input and
•
the rated torque is generated.
Parameter b7-02 is used to adjust the responsiveness of droop control. Increase this setting if oscillation or
•
hunting occur.
Disable the feed forward control (N5-01 = 0) when using the droop control function.
•
Setting the Droop Control Gain
Set the droop control gain as the speed reduction at a 100% motor torque, as a percentage of the maximum
output frequency.
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6
Name
Description
Display
Sets the slip as a percentage
of maximum frequency
when the maximum output
frequency is specified and
the rated torque occurs.
Droop-control is not per-
formed when the setting is
0.0.
Droop control responsive-
ness parameter
When hunting or oscillation
occurs, increase the value.
Torque
0
Fig 6.92 Droop Control Gain
Change
Setting Factory during
Range Setting Opera-
V/f
tion
0.0 to
0.0 Yes No
100.0
0.03 to
0.05 s Yes No
2.00
b7-01
Speed reference
Control Methods
Regis-
V/f Open Flux
ter
with Loop Vec-
PG Vector tor
No No A 1CAH
No No A 1CBH
100%
Speed