K.6
SEL-787 Relay Instruction Manual Date Code 20081022
Analog Quantities
Analog Quantities
Harmonics Metering
IAW1_THD Winding 1 A-phase current THD A pri x
IBW1_THD Winding 1 B-phase current THD A pri x
ICW1_THD Winding 1 C-phase current THD A pri x
IAW2_THD Winding 2 A-phase current THD A pri x
IBW2_THD Winding 2 B-phase current THD A pri x
ICW2_THD Winding 2 C-phase current THD A pri x
IN_THD Neutral current THD A pri x
VA_THD A-phase-to-neutral voltage THD V pri x
VB_THD B-phase-to-neutral voltage THD V pri x
VC_THD C-phase-to-neutral voltage THD V pri x
VAB_THD A-to-B-phase voltage THD V pri x
VBC_THD B-to-C-phase voltage THD V pri x
VCA_THD C-to-A-phase voltage THD V pri x
Date/Time
DATE Present date
b
xx
TIME Present time
b
xx
YEAR Year number (0000-9999) x
DAYY Day of Year number (1-366) x
WEEK Week number (1-52) x
DAYW Day of Week number (1-7) x
MINSM Minutes since Midnight x
RID/TID
RID Relay Identifier x
TID Terminal Identifier x
Setting Group
GROUP Active Setting Group # x x x
Math Variables
MV01 to
MV32
Math Variable 01 to Math Variable 32 x x x x
SELOGIC Counters
c
SC01 to SC32 SELOGIC Counter 01 to SELOGIC Counter 32 x x x x
a
See the Engineering Unit settings (e.g., AI301EU) of the respective analog input.
b
Also available via DNP object 50.
c
Also available as DNP counter object.
Table K.1 Analog Quantities (Sheet 6 of 6)
Label Description Units
Display
Points
SELOGIC
Load
Profile
DNP
Fast
Meter