Name
Type
Description
BFI_B
BOOLEAN
Pickup signal from phase B
PU_C
BOOLEAN
Pickup signal from phase C
PHPUND
BOOLEAN
Non-directional pickup, issued from any selected
phase or loop
Table 148:
ZMRAPDIS (21) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Group signal for current input
V3P
GROUP
SIGNAL
-
Group signal for voltage input
BLOCK
BOOLEAN
0
Block of function
BLKZ
BOOLEAN
0
Blocks all output for LOV (or fuse failure) condition
BLKTR
BOOLEAN
0
Blocks all trip outputs
PHSEL
INTEGER
0
Faulted phase loop selection enable from phase
selector
DIRCND
INTEGER
0
External directional condition
Table 149:
ZMRAPDIS (21) Output signals
Name
Type
Description
TRIP
BOOLEAN
General Trip, issued from any phase or loop
TR_A
BOOLEAN
Trip signal from phase A
TR_B
BOOLEAN
Trip signal from phase B
TR_C
BOOLEAN
Trip signal from phase C
BFI
BOOLEAN
General Pickup, issued from any phase or loop
PU_A
BOOLEAN
Pickup signal from phase A
BFI_B
BOOLEAN
Pickup signal from phase B
PU_C
BOOLEAN
Pickup signal from phase C
PHPUND
BOOLEAN
Non-directional pickup, issued from any selected
phase or loop
Table 150:
ZDRDIR (21D) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
group connection for current abs 2
V3P
GROUP
SIGNAL
-
group connection for voltage abs 2
Section 6
1MRK505222-UUS C
Impedance protection
322
Technical reference manual
Summary of Contents for Relion 670 series
Page 1: ...Relion 670 series Line differential protection RED670 ANSI Technical reference manual...
Page 2: ......
Page 40: ...34...
Page 50: ...44...
Page 60: ...54...
Page 126: ...120...
Page 384: ...378...
Page 496: ...490...
Page 556: ...550...
Page 602: ...596...
Page 620: ...614...
Page 794: ...788...
Page 864: ...858...
Page 988: ...982...
Page 998: ...992...
Page 1084: ...1078...
Page 1164: ...1158...
Page 1168: ...1162...
Page 1220: ...1214...
Page 1230: ...1224...
Page 1231: ...1225...