12-22
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
RBAD
RBADA, RBADB
A
M
IRRORED
B
ITS
channel A extended.
outage RBADA asserted.
B
M
IRRORED
B
ITS
channel B extended
outage RBADB asserted.
b
both RBADA and RBADB asserted.
CBAD
CBADA, CBADB
A
M
IRRORED
B
ITS
channel A
unavailability CBADA asserted.
B
M
IRRORED
B
ITS
channel B
unavailability CBADB asserted.
b
both CBADA and CBADB asserted.
LBOK
LBOKA, LBOKB
A
M
IRRORED
B
ITS
channel A loop back ok
LBOKA asserted.
B
M
IRRORED
B
ITS
channel A loop back ok
LBOKB asserted.
b
both LBOKA and LBOKB asserted.
‡
PWR A 12
PWRA1, PWRA2
1
Level 1 A-phase power element PWR1A
picked up.
2
Level 2 A-phase power element PWR2A
picked up.
B
both PWR1A and PWR2A picked up.
‡
PWR A 34
PWRA3, PWRA4
3
Level 3 A-phase power element PWR3A
picked up.
4
Level 4 A-phase power element PWR4A
picked up.
b
both PWR3A and PWR4A picked up.
‡
PWR B 12
PWRB1, PWRB2
1
Level 1 B-phase power element PWR1B
picked up.
2
Level 2 B-phase power element PWR2B
picked up.
b
both PWR1B and PWR2B picked up.
‡
PWR B 34
PWRB3, PWRB4
3
Level 3 B-phase power element PWR3B
picked up.
4
Level 4 B-phase power element PWR4B
picked up.
b
both PWR3B and PWR4B picked up.
Summary of Contents for SEL-351
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