Schweitzer Engineering SEL-387-0, Instruction Manual

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Date _______________
Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
SET.7 of 36 SEL-387-0, -5, -6 Relay Settings Sheets Example
Group Settings (SET Command)
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
51Q2 Torque Control (SEL
OGIC
control equation)
51Q2TC = 1
Winding 2 Residual O/C Elements
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