Table 12.5: Standard Event Report Current and Frequency Columns
Column Heading
Local
Channel X
Channel Y
Total
FREQ
Table 12.6: Output, Input and Protection, and Control Element Event Report Columns
Column
Heading
87LA
87LB
87LC
87LG
87L2
87LL
Rstr A
Rstr B
Rstr C
Rstr G
Rstr 2
Date Code 20010625
(Line Current Differential)
IA
Local Phase A current
IB
Local Phase B current
IC
Local Phase C current
IA
IA current received at Channel X
IB
IB current received at Channel X
IC
IC current received at Channel X
IA
IA current received at Channel Y
IB
IB current received at Channel Y
IC
IC current received at Channel Y
IA
Sum of all Phase A terminal currents.
IB
Sum of all Phase B terminal currents.
IC
Sum of all Phase C terminal currents.
Frequency measured by the relay
(Line Current Differential)
Corresponding
Elements (Relay
Word Bits)
87LA
87LB
87LC
87LG
87L2
87L
R87LA
R87LB
R87LC
R87LG
R87L2
Standard Event Reports and SER
SEL-311L Instruction Manual
Definition
Symbol
*
87LA asserted
*
87LB asserted
*
87LC asserted
*
87LG asserted
*
87L2 asserted
*
87L asserted
*
R87LA asserted
*
R87LB asserted
*
R87LC asserted
*
R87LG asserted
*
R87L2 asserted
Definition
12-31
Need help?
Do you have a question about the SEL-311L and is the answer not in the manual?