Fulling DZB200M - Torque Boost, V;F Curve, and Energy Saving

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Fu nction

Code

Name

Settin g Range

Default

Value

F1. 24

En ergy Conservation

Selection

0: No O peration

1: Energ y Co nserv at ion

When the mot oris running in no-load or lower-loadduring,t he invertercan outputvoltage

adjust

automaticall y cur rent kf th e load。

Note:This function is especi ally valid for variable torque load (such as fan and pump).

Fig. 6-7 Manual torque boost di agram

It sets up S1-S6,VI a ndCI terminal ssample filt eri ngtime. In big i nterference situati on, this parameter

should b e inc r ease d i n o r der to p r ev ent malo pera tio n .

O utp ut F requen cy f

Output Volta ge ( V)

cut -off

b oost

Setti ng this parametercan c ompensatet he motor spee dchange produced because of undertaking

l oading whi leon V/F control, to increase the rigidit y of motor mecha nica l performance. This value

should be set as the motor rated sli p frequency.

F 2 Inpu t and Output Termina l Fu nction Paramete rs

F1.2 3

V/F slip co mpensat ion limit

0. 0 20 0.0%

～

100 %

Fu nction

Code

Name

Settin g Range

Default

Value

F2.0 0

On-off signal filter t imes

110

～

Fu nction

Code

Name

Settin g Range

Default

Value

Chapter 6 Parameter D escripti on

DZB Series

-44-

Funct ion

Code

Nam e

SettingRange

Default

Valu e

F1.20

V/Fc urve se tting

0 Lin ear V/F curve

：

1 square torqueV/F curve

：

The setting 100.0% iscorresponding to the rat ed output current.

0:LinearV/F c urve.It is applicable to constant torque l oad.

1:2.0 exponential V/F curve. It is ap plica ble tovar iable torque l oad, such as blower, pump etc.

Fig. 6-6 V /F curvediagram

Torque Bo ost is mainlyapplied to less than cut-offfrequenc y( F1.22).TheV/F curve after boost i s

shownin fol lowing figure . Torquebooth can improve thel ow frequency torque pe rformance ofV/Fc ontrol .

Ba sedon the load,a tor queshouldbe chosenproperly.F orheavyload, incr ea sethe tor que boost,but

the torque boost s hould no t be se t too big, whic h will result in the motor op erati ng a t ove rexcitat ion and

tha t itcould be overheated, and a lso t he inverter out put current is big, r educi ng efficiency.

Whenthe torque b oost is se t a s0.0%, the inverter is at automatic torqueboost.

Torque boos tcut-offfrequency: below this fre quency, torqueboost is valid, andabovet his frequency

se t ting , tor q ue boost is inv ali d .

f3/1

Output Voltage (V)

Output Frequency f

Linear V/F curv e

2.0 expo n entia l

V/Fc urve

F1.19

Upper torque lim it sett ing

0.0 200 .0%(invert er rated curre nt)～

150.0%

Funct ion

Code

Nam e

SettingRange

Default

Valu e

F1.21

Tor que boost 0.0% ( auto)

：

0.1 30 .0

％～％

F1.22

Tor que boos t cu t-o ff

0.0% 50.0% (relative to motor

rated frequency)

～

20.0%

Funct ion

Code

Nam e

SettingRange

Default

Valu e

Chapter 6 Parameter Descr iption

DZB S eri es

-43-

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Fulling DZB200M - Torque Boost, V;F Curve, and Energy Saving

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