GE Industrial Solutions DV-300 DC Drive Users Manual - Manual (Page 167)

DV-300 Adjustable Speed Drives
——— FUNCTION DESCRIPTION ———
6
39
6.8 CuRRENT REGuLATION (CuRRENT REGuLAT)
Motoring & Generating Torque Limit
From Speed Regulator
To Droop Feedback
speed
torque
T current lim +
T current lim -
T current lim -
T current lim +
+1% of Motor nom speed -1% of Motor nom speed
Current Limits
Current Regulator
Current regulator includes
anti-windup logic
S
+
-
speed
torque
T current lim +
T current lim - T current lim -
T current lim +
Torque
reduction
T
T
Torque reduction
command
Go to Motor
parameters
Modulator
DC
Motor
Feedback
(option)
Torque Limit +/-
T current lim +
150 %
T current lim -
150 %
T current lim
150 %
In use Tcur lim+
In use Tcur lim-
Current lim red
100 %
T current ref
Motor current
Curr limit state
T curr lim type
Torque reduct
Arm resistence
2.55 Ohm
Arm inductance
34.33 mH
Output voltage
Figure 6.8.1: Torque current regulaton
CURRENT REGULAT
[41] T current ref [%]
[199] Motor current [%]
[1430] Mot cur threshld [%]
[1431] Mot cur th delay [ms]
[453] Arm resistance [ ]
[454] Arm inductance [mH]
[587] E int [V]
[452] R&L Search
[353] Zero torque
Parameter description No.
Value
Standard
Configuration min max
Factory
American
Factory
European
T current ref [%] 41 -200 +200 - - **
Motor current [%] 199 -250 250 - - -
Mot cur threshld [%] 1430 0 200 100 100
Mot cur th delay [ms] 1431 0 65535 1000 1000
Arm resistance [ ] 453 S S 0.500 0.500 -
Arm inductance [mH] 454 S S 4.00 4.00 -
E int [V] 587 -80 +80 - - **
R&L Search
OFF
ON
452 0 1 OFF OFF -
Zero torque
Active
Not active
353 0 1 Not active (1) Not active (1) *
* This function can be assigned to one of the programmable digital inputs.
** This parameter can be assigned to a programmable analog output.