Schweitzer Engineering SEL-387-0, Instruction Manual

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Date _______________
Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
SET.11 of 36 SEL-387-0, -5, -6 Relay Settings Sheets Example
Group Settings (SET Command)
50P41 Torque Control (SEL
OGIC
control equation)
50P41TC = 1
Phase Inst. O/C Level 2 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50P42P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) = OFF
50P42 Torque Control SEL
OGIC
control equation)
50P42TC = 1
Phase Inst. O/C Level 3 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50P43P = 0.50
(OFF, 0.05–20.00 A secondary) (1 A) = 0.10
Phase Inst. O/C Level 4 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50P44P = 4.00
(OFF, 0.05–20.00 A secondary) (1 A) = 0.80
Phase Inv.-Time O/C PU
(OFF, 0.5–16.0 A secondary) (5 A) 51P4P = 4.0
(OFF, 0.1–3.2 A secondary) (1 A) = 0.8
Phase Inv.-Time O/C Curve (U1–U5, C1–C5) 51P4C = U2
Phase Inv.-Time O/C Time-Dial (US 0.5–15.0, IEC 0.05–1.00) 51P4TD = 3.00
Phase Inv.-Time O/C EM Reset (Y, N) 51P4RS = Y
51P4 Torque Control (SEL
OGIC
control equation)
51P4TC = 1
Winding 4 Negative-Sequence O/C Elements
NOTE:
All negative-sequence element pickup settings are in terms of 3I
2
.
Neg.-Seq. Def.-Time O/C Level 1 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50Q41P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) = OFF
Neg.-Seq. Level 1 O/C Delay (0.5–16000.0 cycles) 50Q41D = 5
50Q41 Torque Control SEL
OGIC
control equation)
50Q41TC = 1
Neg.-Seq. Inst. O/C Level 2 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50Q42P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) = OFF
50Q42 Torque Control (SEL
OGIC
control equation)
50Q42TC = 1