Date _______________
Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
SET.3 of 35SEL-387-0, -5, -6 Relay Settings Sheets
Group Settings (SET Command)
Fifth-Harmonic Blocking Percentage (OFF, 5–100%) PCT5 =
Fifth–Harmonic Alarm Threshold
(OFF, (0.02–3.20) multiple of tap
TH5P =
Fifth-Harmonic Alarm TDPU (0–8000 cycles)
TH5D =
DC Ratio Blocking (Y, N) (all but SEL-387-0 Relay)
DCRB =
Harmonic Restraint (Y, N) (all but SEL-387-0 Relay)
HRSTR =
Independent Harmonic Blocking (Y, N)
IHBL =
Restricted Earth Fault
Enable 32I (SELOGIC control equation)
E32I =
Operating Quantity from Wdg. 1, Wdg. 2, Wdg. 3
(1, 2, 3, 12, 23, 123)
32IOP =
Positive-Sequence Current Restraint Factor, I0/I1 (0.02–0.50)
a0 =
Residual Current Sensitivity Threshold
(0.25–15.00 A secondary) (5 A)
(0.05–3.00 A secondary) (1 A)
50GP =
Winding 1 O/C Elements
Winding 1 Phase O/C Elements
Phase Def.-Time O/C Level 1 PU
(OFF, 0.25–100.00 A secondary) (5 A)
(OFF, 0.05–20.00 A secondary) (1 A)
50P11P =
Phase Level 1 O/C Delay (0–16000 cycles)
50P11D =
50P11 Torque Control (SEL
OGIC control equation)
50P11TC =
Phase Inst. O/C Level 2 PU
(OFF, 0.25–100.00 A secondary) (5 A)
(OFF, 0.05–20.00 A secondary) (1 A)
50P12P =
50P12 Torque Control (SEL
OGIC control equation)
50P12TC =
Phase Inst. O/C Level 3 PU
(OFF, 0.25–100.00 A secondary) (5 A)
(OFF, 0.05–20.00 A secondary) (1 A)
50P13P =
Phase Inst. O/C Level 4 PU
(OFF, 0.25–100.00 A secondary) (5 A)
(OFF, 0.05–20.00 A secondary) (1 A)
50P14P =
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