GE Industrial Solutions DV-300 DC Drive Users Manual - Manual (Page 153)

DV-300 Adjustable Speed Drives
——— FUNCTION DESCRIPTION ———
6
25
Example of the function of the Current lim red and Torque reduct parameters.
T current limit (or T current lim +/-) = 80 %
Current lim red = 70 %
Torque reduct = High (not active) Current limit = 80 %
Torque reduct = Low (active) Current limit = 70 %
The value for T current limit can be set in the START UP\Limits menu.
6.5.3 Flux limits
LIMITS
Flux limits
[467] Flux current max [%]
[468] Flux current min [%]
Parameter description No.
Value
Standard
Configuration min max
Factory
American
Factory
European
Flux current max [%] 467 P468 100 100 100 */**
Flux current min [%] 468 0 P467 5 5 -
* This parameter can be set on a programmable analogic outputs.
** This parameter can be set on a programmable analogic input.
The limits regarding the field current are set in this submenu.
Flux current max Percentage of maximum field current according to the Motor nom flux parameter.
The max. value (100%) corresponds to the circulation in the field circuit of the motor ,
of a current equal to the value set in Motor nom flux.
If any curve has been set via I field cnst parameter, the variation of this parameter influ-
ences the field current in a linear way .
(see Flux /if curve section 5.4.5)
Flux current min Percentage of minimum field current according to the Motor nom flux parameter .
Its value states the circulation in the field circuit of the motor , of a minimum current
compared to the value set in Motor nom flux.
The value set here affect the threshold of the “Field loss” alarm indication. The
threshold is the half of Flux current min.