SEL-387E Relay Settings Sheet
Page 5 of 28
Group Settings (SET Command) Example
Date
Group
Date Code 20080110
Residual Inv.-Time O/C PU
(OFF, 0.5–16.0 A secondary) (5 A) 51N1P = OFF
(OFF, 0.1–3.2 A secondary) (1 A) OFF
Residual Inv.-Time O/C Curve (U1–U5, C1–C5) 51N1C = U2
Residual Inv.-Time O/C Time-Dial (US 0.5–15.0, IEC 0.05–1.00) 51N1TD = 1.00
Residual Inv.-Time O/C EM Reset (Y, N) 51N1RS = Y
51N1 Torque Control (SEL
OGIC
control equation)
51N1TC = 1
W
INDING
1 D
EMAND
M
ETERING
Demand Ammeter Time Constant (OFF, 5–255 min) DATC1 = 15
Phase Demand Ammeter Threshold
(0.5–16.0 A secondary) (5 A) PDEM1P = 7.00
(0.1–3.2 A secondary) (1 A) 1.40
Neg.-Seq. Demand Ammeter Threshold
(0.5–16.0 A secondary) (5 A) QDEM1P = 1.00
(0.1–3.2 A secondary) (1 A) 0.20
Residual Demand Ammeter Threshold
(0.5–16.0 A secondary) (5 A) NDEM1P = 1.00
(0.1–3.2 A secondary) (1 A) 0.20
W
INDING
2 O/C E
LEMENTS
W
INDING
2 P
HASE
O/C E
LEMENTS
Phase Def.-Time O/C Level 1 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50P21P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) OFF
Phase Level 1 O/C Delay (0–16000 cycles) 50P21D = 5
50P21 Torque Control (SEL
OGIC
control equation)
50P21TC = 1
Phase Inst. O/C Level 2 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50P22P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) OFF
50P22 Torque Control (SEL
OGIC
control equation)
50P22TC = 1
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