Specifications

VFD‐G7 Series Frequency Inverter Operation ManualChapter 6 Functional Parameter Detail
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F2.09 Custom V/F percentage Default: 100.0%
Setting scope：50.0～100.0%
F2.10 V/F slip compensation gain Default: 0.0%
Setting scope：0.0～200.0%
SettingthisparametercouldcompensatethemotorspeedchangecausedbytheloadinV/F
control, which can improve the hardness of motor mechanical characteristics, this value is
correspondingtothemotor’sratedslipfrequency.
F2.11 Suppress oscillation enabled Default: 1
Setting scope：0～1
0:Suppressoscillationvalid
1:Suppressoscillationinvalid
The function code of suppression oscillation is for V/F control, the common motor with
no‐load or light‐load often has current oscillation to leadthe motor’s abnormal operation,
theseriouscan cause drive over current.When the F2.11 is selected to 0,
the suppressing
oscillation function is enabled, the drive will suppress the motor’s occurring oscillation
accordingtotheparametersoffunctionsF2.12～F2.15.
F2.12
Suppress oscillation low-frequency
threshold
Default：5 Setting scope：0～500
F2.13
Suppress oscillation low-frequency
threshold
Default：100 Setting scope：0～500
Whenmostofmotorsruninsomefrequencyband,thecurrentoscillationwilleasilyoccur,
lightcaseis thatthemotor cannotstable operate,theserious situationwillleadthedrive
over‐current.
When F2.11 is set to 0, suppress oscillation is valid. When F2.12 and F2.13 have small
reference
 values, the effect of the suppress oscillation is evidence, the addition of the
currentisevidence;ifthesettingsislarge,theeffectofsuppressoscillationisweak.
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F2.14
Amplitude limit of suppress
oscillation
Default: 5000
Setting scope：0～10000