Schweitzer Engineering SEL-387-0 - Table 9.5 Differential Event Report Current Columns; Table 9.6 Differential Event Report Element Columns

9.12
SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
Event Reports and SER
Standard 15-, 30-, or 60-Cycle Event Reports
Table 9.6 summarizes the digital event report columns.
Table 9.5 Differential Event Report Current Columns
Column Heading Definition
IOP1
Operate current for differential element 1 (multiples of tap)
IRT1
Restraint current for differential element 1 (multiples of tap)
I1F2
Second-harmonic current for differential element 1 (multiples of tap)
I1F5
Fifth-harmonic current for differential element 1 (multiples of tap)
Table 9.6 Differential Event Report Element Columns (Sheet 1 of 3)
Column
Heading
Symbol Definition
All .
All indication deasserted
Differential
87RU
R
U
b
87R asserted
87U asserted
87R and 87U asserted
Differential
87 1
R
U
b
87R1 asserted
87U1 asserted
87R1 and 87U1 asserted
Differential
87 2
R
U
b
87R2 asserted
87U2 asserted
87R2 and 87U2 asserted
Differential
87 3
R
U
b
87R3 asserted
87U3 asserted
87R3 and 87U3 asserted
Differential
87B 1
1
.
87BL1 asserted
87BL1 not asserted
Differential
87B 2
1
.
87BL2 asserted
87BL2 not asserted
Differential
87B 3
1
.
87BL3 asserted
87BL3 not asserted
Differential
HB 1
2
5
b
2HB1 asserted
5HB1 asserted
2HB1 and 5HB1 asserted
Differential
HB 2
2
5
b
2HB2 asserted
5HB2 asserted
2HB2 and 5HB2 asserted
Differential
HB 3
2
5
b
2HB3 asserted
5HB3 asserted
2HB3 and 5HB3 asserted
TH5 p
T
TH5 asserted
TH5 asserted longer than TH5D
REF p
T
1
.
32IF * 50G4 * !REFP asserted (timing to trip)
32IF * 50G4 * REFP asserted (timed out)
Timing 1 cycle to reset after REFP assertion
Reset
TRP 12 1
2
b
TRIP1 asserted
TRIP2 asserted
TRIP1 and TRIP2 asserted
TRP 34 3
4
b
TRIP3 asserted
TRIP4 asserted
TRIP3 and TRIP4 asserted
TRP 5 5
TRIP5 asserted