DirModeZ3-5
Non-directional
Forward
Reverse
DIR(Ln & LmLn)Z3-5
TRUE (1)
FW(Ln & LmLn)
RV(Ln & LmLn)
FW(Ln & LmLn)
DIR(Ln & LmLn)Z1
FW(Ln & LmLn)
DIR(Ln & LmLn)Z2
RV(Ln & LmLn)
DIR(Ln & LmLn)ZRV
IEC12000137-2-en.vsd
IEC12000137 V2 EN
Figure 86:
Connection of directional signals to Zones
ZML1Zx
NDZx
PHSL1
AND
OR
ZML2Zx
PHSL2
AND
ZML3Zx
PHSL3
AND
ZML1L2Zx
PHSL1L2
AND
ZML2L3Zx
PHSL2L3
AND
ZML3L1Zx
PHSL3L1
AND
OR
DIRL1Zx
AND
DIRL2Zx
AND
AND
OR
AND
AND
AND
DIRL3Zx
DIRL1L2Zx
DIRL2L3Zx
DIRL3L1Zx
L1Zx
PEZx
L2Zx
L3Zx
PPZx
OR
OR
OR
IEC12000140-1-en.vsd
IEC12000140 V1 EN
Figure 87:
Intermediate logic
1MRK502052-UEN B
Section 7
Impedance protection
221
Technical manual
Summary of Contents for Relion REG670
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