DEMA DPM 400 D - Page 44

44
TMS Time Multiplier Setting (-).
Curve Type
Trip Delay Formula
Reset Delay Setting Zone
IEC STI
Short Time Inverse
 

󰇛



󰇜






󰇛
  
󰇜

IEC SI
Standard Inverse
 

󰇛



󰇜






󰇛
  
󰇜

IEC VI
Very Inverse
 

󰇛



󰇜




󰇛
  
󰇜

IEC EI
Extremely Inverse
 

󰇛



󰇜






󰇛
  
󰇜

IEC LTI
Long Time Inverse
 

󰇛



󰇜




󰇛
  
󰇜

The image below shows the trip delay curves for all IEC characteristics with TMS = 1. TMS
can be set within the range of (0.025 - 3.2) for any protection function.