Chapter 6 - Current Protection Functions
E00637
Figure 75: Simple busbar blocking scheme characteristics
For further guidance on the use of blocked busbar schemes, refer to General Electric.
148
10.0
1.0
Time
(secs)
0.1
Incomer high set element
0.08
Feeder start contact
0.01
1.0
Current (kA)
Incomer IDMT element
IDMT margin
Feeder IDMT element
Time to block
10.0
100.0
P14x
P14xEd1-TM-EN-1