Schweitzer Engineering Laboratories SEL-351 - Page 478

12-12 Standard Event Reports, Sag/Swell/Interruption Report, and SER Date Code 20001006
SEL-351 Instruction Manual
Column Heading
Corresponding
Elements (Relay
Word Bits) Symbol Definition
32 NG F32QG Q Forward negative-sequence directional
element F32QG picked up.
R32QG q Reverse negative-sequence R32QG
picked up.
F32V V Forward zero-sequence voltage-polarized
element F32V picked up.
R32V v Reverse zero-sequence voltage-polarized
R32V picked up.
F32I I Forward channel IN current-polarized
directional element F32I picked up.
R32I i Reverse channel IN current-polarized
directional element R32I picked up.
67 P
67 N
67 G
67P1 - 67P4
67N1 - 67N4
67G1 - 67G4
4 Level 4 instantaneous element 67_4
picked up; levels 1, 2, and 3 not picked
up.
67 Q 67Q1 - 67Q4 3 Level 3 instantaneous element 67_3
picked up; levels 1 and 2 not picked up.
2 Level 2 instantaneous element 67_2
picked up; Level 1 not picked up.
1 Level 1 instantaneous element 67_1
picked up.
DM PQ PDEM, QDEM P Phase demand ammeter element PDEM
picked up.
Q Negative-sequence demand ammeter
element QDEM picked up.
b Both PDEM and QDEM picked up.
DM NG NDEM, GDEM N Neutral ground demand ammeter element
NDEM picked up.
G Residual ground demand ammeter
element GDEM picked up.
b Both NDEM and GDEM picked up.
27 P
(wye-connected)
27A1, 27A2, 27B1,
27B2, 27C1, 27C2
A A-phase instantaneous undervoltage
element 27A1 or 27A2 picked up.
B B-phase instantaneous undervoltage
element 27B1 or 27B2 picked up.
C C-phase instantaneous undervoltage
element 27C1 or 27C2 picked up.
a 27A_ and 27B_ elements picked up.
b 27B_ and 27C_ elements picked up.
c 27C_ and 27A_ elements picked up.
3 27A_, 27B_ and 27C_ elements picked
up.
Courtesy of NationalSwitchgear.com