I.L. 40-201.9
IACD
IBCD
ICCD
IGCD
VACD
VBCD
VCCD
3-16
Fault
IT
Detection
Figure 3-8. Fault Detector
∆V∆I
CD
Figure 3-9. Change Detector
Power Automation and Protection Division
FD2
FD2
Level Setting
∆I
(2) 20% Higher for 50 Hz
(2)
0
CD
CDT
150
REL 352 Version 1.00
