Date Code 20010625
Standard Event Reports and SER
12-31
SEL-311L Instruction Manual
Table 12.5: Standard Event Report Current and Frequency Columns
(Line Current Differential)
Column Heading
Definition
Local
IA
Local Phase A current
IB
Local Phase B current
IC
Local Phase C current
Channel X
IA
IA current received at Channel X
IB
IB current received at Channel X
IC
IC current received at Channel X
Channel Y
IA
IA current received at Channel Y
IB
IB current received at Channel Y
IC
IC current received at Channel Y
Total
IA
Sum of all Phase A terminal currents.
IB
Sum of all Phase B terminal currents.
IC
Sum of all Phase C terminal currents.
FREQ
Frequency measured by the relay
Table 12.6: Output, Input and Protection, and Control Element Event Report Columns
(Line Current Differential)
Column
Heading
Corresponding
Elements (Relay
Word Bits)
Symbol
Definition
87LA 87LA
*
87LA
asserted
87LB 87LB
*
87LB
asserted
87LC 87LC
*
87LC
asserted
87LG 87LG
*
87LG
asserted
87L2 87L2
*
87L2
asserted
87LL 87L
*
87L
asserted
Rstr A
R87LA
*
R87LA asserted
Rstr B
R87LB
*
R87LB asserted
Rstr C
R87LC
*
R87LC asserted
Rstr G
R87LG
*
R87LG asserted
Rstr 2
R87L2
*
R87L2 asserted
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