Schweitzer Engineering Laboratories SEL-387E - Page 249

SEL-387E Relay Settings Sheet Page 7 of 28
Group Settings (SET Command) Example Date
Group
Date Code 20080110
51Q2 Torque Control (SEL OGIC control equation)
51Q2TC = 1
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INDING 2 R ESIDUAL O/C E LEMENTS
Residual Def.-Time O/C Level 1 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50N21P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) OFF
Residual Level 1 O/C Delay (0–16000 cycles) 50N21D = 5
50N21 Torque Control (SEL OGIC control equation)
50N21TC = 1
Residual Inst. O/C Level 2 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50N22P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) OFF
50N22 Torque Control (SEL OGIC control equation)
50N22TC = 1
Residual Inv.-Time O/C PU
(OFF, 0.5–16.0 A secondary) (5 A) 51N2P = OFF
(OFF, 0.1–3.2 A secondary) (1 A) OFF
Residual Inv.-Time O/C Curve (U1–U5, C1–C5) 51N2C = U2
Residual Inv.-Time O/C Time-Dial (US 0.5–15.0, IEC 0.05–1.00) 51N2TD = 1.00
Residual Inv.-Time O/C EM Reset (Y, N) 51N2RS = Y
51N2 Torque Control (SEL OGIC control equation)
51N2TC = 1
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INDING 2 D EMAND M ETERING
Demand Ammeter Time Constant (OFF, 5–255 min) DATC2 = 15
Phase Demand Ammeter Threshold
(0.5–16.0 A secondary) (5 A) PDEM2P = 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) QDEM2P = 1.00
(0.1–3.2 A secondary) (1 A) 0.20
Residual Demand Ammeter Threshold
(0.5–16.0 A secondary) (5 A) NDEM2P = 1.00
(0.1–3.2 A secondary) (1 A) 0.20