Schweitzer Engineering Laboratories SEL-787 - Table 9.5 Differential Event Report Digital Column Definitions for Protection, Control and I;O Elements

9.19
Date Code 20081022 Instruction Manual SEL-787 Relay
Analyzing Events
Event Reporting
I2F2 Second Harmonic current for Differential element 87-2 (multiples of TAP)
I2F5 Fifth Harmonic current for Differential element 87-2 (multiples of TAP)
IOP3 Operate Current for Differential element 87-3 (multiples of TAP)
IRT3 Restraint Current for Differential element 87-3 (multiples of TAP)
I3F2 Second Harmonic current for Differential element 87-3 (multiples of TAP)
I3F5 Fifth Harmonic current for Differential element 87-3 (multiples of TAP)
Table 9.5 Differential Event Report Digital Column Definitions for
Protection, Control and I/O Elements
Column Designation Column Symbols Column Symbol Relay Word Bits (RWB)
87R * 87R picked up
87R12 1
2
b
87R1 picked up
87R2 picked up
Both 87R1 and 87R2 picked up
87R3 * 87R3 picked up
87U12 1
2
b
87U1 picked up
87U2 picked up
Both 87U1 and 87U2 picked up
87U3 * 87U3 picked up
87B12 1
2
b
87BL1 picked up
87BL2 picked up
Both 87BL1 and 87BL2 picked up
87B3 * 87BL3 picked up
87HR12 1
2
b
87HR1 picked up
87HR2 picked up
Both 87HR1 and 87HR2 picked up
87HR3 * 87HR3 picked up
HB1 2
5
b
2_4HB1 picked up
5HB1 picked up
Both 2_4HB1 and 5HB1 picked up
HB2 2
5
b
2_4HB2 picked up
5HB2 picked up
Both 2_4HB2 and 5HB2 picked up
HB3 2
5
b
2_4HB3 picked up
5HB3 picked up
Both 2_4HB3 and 5HB3 picked up
TH5 a
t
TH5 picked up
TH5T picked up
In12 1
2
b
IN101 picked up
IN102 picked up
Both IN101 and IN102 picked up
Out12 1
2
b
OUT101 picked up
OUT102 picked up
Both OUT101 and OUT102 picked up
Out3 * OUT103 picked up
Table 9.4 Differential Event Report Column Definitions for Analog Quantities
(Sheet 2 of 2)
Column
Heading
Description