SET.14
of 78
SEL-751 Settings Sheets Date________________
Group Settings (SET Command) 59 Inverse-Time Overvoltage
SEL-751 Relay Instruction Manual Date Code 20170927
59 Inverse-Time Overvoltage
(Hidden if Slot Z = Ax)
59I ENABLE (Y, N) E59I1 :=
(The following 59I1 inverse-time overvoltage settings are hidden if E59I1 := N)
OPERATING QTY (VS option is hidden if Slot E
70 or L0)
See Table SET.4 for range dependencies. 59I1OQ :=
PICKUP LVL (2.00–300.00 V or 2.00–520.00 V from Table SET.4) 59I1P :=
CURVE (CURVEA, CURVEB, COEF) 59I1CR :=
COEFF A (0.00–6.00) (Hidden if CURVE is set to CURVEA or CURVEB) 59I1CFA :=
COEFF B (0.00–3.00) (Hidden if CURVE is set to CURVEA or CURVEB) 59I1CFB :=
COEFF C (0.01–3.00) (Hidden if CURVE is set to CURVEA or CURVEB) 59I1CFC :=
TIME DIAL (0.00–16.00) 59I1TD :=
RESET TIME (0.00–1.00 s) 59I1TTR :=
TRQ CONTROL (SELOGIC) 59I1TC :=
59I ENABLE (Y, N) E59I2 :=
(The following 59I2 settings are hidden if E59I2 := N)
OPERATING QTY (VS option is hidden if Slot E
70 or L0)
See Table SET.4 for range dependencies. 59I2OQ :=
PICKUP LVL (2.00–300.00 V or 2.00–520.00 V from Table SET.4) 59I2P :=
CURVE (CURVEA, CURVEB, COEF) 59I2CRV :=
COEFF A (0.00–6.00) (Hidden if CURVE is set to CURVEA or CURVEB) 59I2CFA :=
COEFF B (0.00–3.00) (Hidden if CURVE is set to CURVEA or CURVEB) 59I2CFB :=
COEFF C (0.01–3.00) (Hidden if CURVE is set to CURVEA or CURVEB) 59I2CFC :=
TIME DIAL (0.00–16.00) 59I2TD :=
RESET TIME (0.00–1.00 s) 59I2TTR :=
TRQ CONTROL (SELOGIC) 59I2TC :=
Table SET.4 Range Dependencies for 59I Operating Quantities
Settings Operating Quantities
DELTA_Y VSCONN SINGLEV VA B VBC VCA VA VB VC VG V1 3V2 3V0 VS MAXLN MAXLN
DELTA 3V0 N # # # ———— # # # — # —
DELTA 3V0 Y # — ——————— # — — —
DELTA VS N # # # ———— # # — # # —
DELTA VS Y # — ——————— — # — —
WYE VS N $ $ $######—# $ #
WYE VS Y — — — # ————— — # — —
WYE 3V0 N $ $ $###### #— $ #
WYE 3V0 Y — — — # ————— # — — —
# = 2.00–300.00 V $ = 2.00–520.00 V
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