InteliLite Global Guide
229
Setpoint group
Generator settings
Related FW
1.9.0
Range [units]
1,0 .. 600,0 [s]
Default value
4,0 s
Alternative config
NO
Step
0,1 s
Comm object
8283
Related applications
AMF, MRS
Config level
Standard
Setpoint visibility
Always
Description
IDMT curve shape selection. IDMT Overcurrent Delay is a reaction time of IDMT protection for 200%
overcurrent I
gen
=2*
IDMT is “very inverse” over current protection. Reaction time is not constant but depends on over current
level according to the following formula:
Note:
Reaction time is limited to 3600 s = 60 minutes. IDMT protection is not active for Reaction time
values longer than 60 minutes.
I
gen
is maximal value of all measured phases of generator current.
Table 8.1 EXAMPLE of Reaction time for different over current levels
Overcurrent IDMT Delay
Overcurrent
≤ 100 %
101 %
110 %
Reaction time
0,2 s
No action
20 s
2 s
2 s
No action
200 s
20 s
20 s
No action
2000 s
200 s
Image 8.19 IDMT Overcurrent Delay
IDMT Overcurrent Delay
Summary of Contents for InteliLite AMF25
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