ABB RED650 - Page 143

t
15 ms
STL1Zx
t
15 ms
TRIPZx
AND
AND
AND
AND
TRL1Zx
TRL2Zx
TRL3Zx
t
15 ms
t
15 ms
STARTZx
STL2Zx
STL3Zx
AND
AND
AND
TZx
BLOCK
VTSZ
BLKZx
t
15 ms
AND
t
15 ms
AND
STNDZx
OR
OR
L1Zx
L2Zx
PPZx
NDZx
OR
PEZx
IEC12000138-2-en.vsd
IEC12000138 V2 EN-US
Figure 57: Start and trip outputs
1MRK 505 394-UEN A Section 7
Impedance protection
Line differential protection RED650 2.2 IEC 137
Technical manual