gefran TPD32-EV-...-4B - Figure 5.3.7.2: Blocks Diagrams of Field Current Regulator

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133
+
S
+ T
Field current Limits
Flux current max
Flux current min
Spd=0 Thr
Voltage reg P /IBase
Field reg P /IBase
Field controller
Field reg P/I
I field curve
Voltage regulator
T
M
C1
D1
Output Voltage
Flux
current
min
Flux
current
max
Energy saving
Field economy
Fld reg P gain
2%
Fld reg I gain
1%
Flux current %
Nom flux curr
10 A
Motor field curr
10 A
Ifield cnst40
40 %
Ifield cnst90
90 %
Ifield cnst70
70 %
Voltage P
30 %
Voltage I
40 %
Output voltage
Max. out voltage
500 V
Out vlt level
100 %
Flux current max
100 %
Flux current min
70 %
Enable flux weak
Disabled
Speed-0fweak
Enabled
Motor field curr
10 A
Flux reg mode
Speed zero level
10 rpm
Set flux/if
0
Reset flux/if
0
Flux P base
3277
Flux I Base
3277
Voltage P base
1.8 A/V
Voltage I base
13.0909 A/V*ms
Enable flux reg
Flux reference
S
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Figure 5.3.7.2: Blocks diagrams of field current regulator
Tuning procedure:
- Resetthecurveux/currentviatheReset ux/ifcommand(FLUXREGULATION\Flux/ifcurvemenu)
- SettheMotornomux
: Motor nom ux parameter(FLUXREGULATIONmenu)
- SettheoutputvoltageviatheMax out voltageparameter(CONFIGURATIONmenu)andthecorrespondent
percentage(100%)intheOut vlt levelparameter(FLUXREGULATIONmenu)
- SettheFluxregulatorFlux reg mode=Constantcurrent(FLUXREGULATIONmenu)
- Settheuxpercentageat100%viatheFlux current maxparameter(FLUXREGULATIONmenu)
- OperatetheDrivespeed,sothattheArmature voltage(MONITOR\Measurementsmenu)correspondsto
thevaluepreviouslysetinMax out voltage (CONFIGURATIONmenu).
- ViatheFlux current maxparameterdecreasethevoltagedisplayedinArmature voltage,uptoobtainan
outputvoltageequaltothe90%ofMax out voltage.
 CarryoutthereadingofthecurrentintheFlux currentparameter(FLUXREGULATIONmenu)andinsert
itintheI eld cnst 90parameter(FLUXREGULATION\Fluxifcurvemenu).
- ViatheFlux current maxparametersdecreasethevoltagedisplayedinArmature voltage,toobtainan
outputvoltageequaltothe70%ofMax out voltage.
 CarryoutthereadingofthecurrentcirculatingintheFlux currentparameter(FLUXREGULATIONmenu)
andinsertitintheI eld cnst 70parameter(FLUXREGULATION\Fluxifcurvemenu).
- ViatheFlux current maxparametersdecreasethevoltagedisplayedinArmature voltage,toobtainan
outputvoltageequaltothe40%ofMax out voltage.
 CarryoutthereadingofthecurrentcirculatingintheFlux currentparameter(FLUXREGULATIONmenu)
andinsertitintheI eld cnst 40parameter(FLUXREGULATION\Fluxifcurvemenu).
- Disabletheconverter