Schweitzer Engineering Laboratories SEL-387E - Page 248

SEL-387E Relay Settings Sheet Page 6 of 28
Group Settings (SET Command) Example Date
Group
Date Code 20080110
Phase Inst. O/C Level 3 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50P23P = 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) 50P24P = 3.50
(OFF, 0.05–20.00 A secondary) (1 A) 0.70
Phase Inv.-Time O/C PU
(OFF, 0.5–16.0 A secondary) (5 A) 51P2P = 3.50
(OFF, 0.1–3.2 A secondary) (1 A) 0.70
Phase Inv.-Time O/C Curve (U1–U5, C1–C5) 51P2C = U2
Phase Inv.-Time O/C Time-Dial (US 0.5–15.0, IEC 0.05–1.00) 51P2TD = 3.50
Phase Inv.-Time O/C EM Reset (Y, N) 51P2RS = Y
51P2 Torque Control (SEL OGIC control equation)
51P2TC = 1
W
INDING 2 N EGATIVE -S EQUENCE O/C E LEMENTS
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) 50Q21P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) OFF
Neg.-Seq. Level 1 O/C Delay (0.5–16000.0 cycles) 50Q21D = 5
50Q21 Torque Control (SEL OGIC control equation)
50Q21TC = 1
Neg.-Seq. Inst. O/C Level 2 PU
(OFF, 0.25–100.00 A secondary) (5 A) 50Q22P = OFF
(OFF, 0.05–20.00 A secondary) (1 A) OFF
50Q22 Torque Control (SEL OGIC control equation)
50Q22TC = 1
Neg.-Seq. Inv.-Time O/C PU
(OFF, 0.5–16.0 A secondary) (5 A) 51Q2P = 5.25
(OFF, 0.1–3.2 A secondary) (1 A) 1.05
Neg.-Seq. Inv.-Time O/C Curve (U1–U5, C1–C5) 51Q2C = U2
Neg.-Seq. Inv.-Time O/C Time-Dial (US 0.5–15.0, IEC 0.05–1.00) 51Q2TD = 3.50
Neg.-Seq. Inv.-Time O/C EM Reset (Y, N) 51Q2RS = Y