ABB Relion 670 series - Page 586

UC2
UC1
CURRENT
TRUC1
PU_UC2
TRUC2
PU_OC1
BLK2ND
PU_OC2
TROC2
OV1
PU_OV1
TROV1
OV2
PU_OV2
TROV2
UV1
PU_UV1
TRUV1
UV2
PU_UV2
TRUV2
Selected current
Selected restraint current
en05000170_ansi.vsd
Selected voltage
VDIRLOW
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
OR
OR
Section 10 1MRK505222-UUS C
Multipurpose protection
580
Technical reference manual