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UC2
UC1
CURRENT
TRUC1
STUC2
TRUC2
STOC1
BLK2ND
STOC2
TROC2
OV1
STOV1
TROV1
OV2
STOV2
TROV2
UV1
STUV1
TRUV1
UV2
STUV2
TRUV2
Selected current
Selected restraint current
en05000170.vsd
Selected voltage
³
1
³
1
UDIRLOW
TROC1
OC1
2
nd
Harmonic
restraint
Current restraint
Directionality
Voltage control /
restraint
OC2
2
nd
Harmonic
restraint
Current restraint
Directionality
Voltage control /
restraint
DIROC2
DIROC1
2
nd
Harmonic
restraint
2
nd
Harmonic
restraint
VOLTAGE
IEC05000170 V1 EN
Figure 279:
CVGAPC function main logic diagram for built-in protection elements
Section 11
1MRK502052-UEN B
Multipurpose protection
588
Technical manual
Summary of Contents for Relion REG670
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