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Schweitzer Engineering SEL-351P - Page 464

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S
ETTINGS
S
HEET Page
6
of 23
F
OR THE
SEL-351P R
ECLOSER
C
ONTROL Date
G
ROUP
S
ETTINGS
(S
ERIAL
P
ORT
C
OMMAND
SET
AND
F
RONT
P
ANEL
)
Date Code 990215
Time-Dial (0.50-15.00 for curves U1-U5, 0.05-1.00 for curves C1-C5,
0.10-2.00 for recloser and user curves)
51G2TD =
Electromechanical Reset (Y,N; applicable only to curves U1-U5, C1-C5) 51G2RS =
Constant time adder (0.00-60.00 cyc.) 51G2CT =
Minimum response (0.00-60.00 cyc.) 51G2MR =
Negative-Sequence Time-Overcurrent Element (see Figure 3.20)*
(Make the following settings if preceding enable setting E51Q = Y)
Pickup (OFF, 0.10-3.20 A) 51QP =
Curve (U1-U5, C1-C5, recloser or user curve; see Figures 9.1 through
9.20)
51QC =
Time-Dial (0.50-15.00 for curves U1-U5, 0.05-1.00 for curves C1-C5,
0.10-2.00 for recloser and user curves)
51QTD =
Electromechanical Reset (Y,N; applicable only to curves U1-U5, C1-C5) 51QRS =
Constant time adder (0.00-60.00 cyc.) 51QCT=
Minimum response (0.00-60.00 cyc.) 51QMR=
* IMPORTANT: See Appendix F for information on setting negative-
sequence overcurrent elements.
Load-Encroachment Elements (see Figure 4.2)
(Make the following settings if preceding enable setting ELOAD = Y)
Forward load impedance (0.25-320.00 Ω secondary)
ZLF =
Reverse load impedance (0.25-320.00 Ω secondary)
ZLR =
Positive forward load angle (-90° to +90°)
PLAF =
Negative forward load angle (-90° to +90°)
NLAF =
Positive reverse load angle (+90° to +270°)
PLAR =
Negative reverse load angle (+90° to +270°)
NLAR =
Directional Elements (see Directional Control Settings in Section 4)
(Make settings DIR1-DIR4 and ORDER if preceding enable setting E32
= Y or AUTO)
Level 1 direction: Forward, Reverse, None (F, R, N) DIR1 =
Level 2 direction: Forward, Reverse, None (F, R, N) DIR2 =
Level 3 direction: Forward, Reverse, None (F, R, N) DIR3 =
Level 4 direction: Forward, Reverse, None (F, R, N) DIR4 =
Ground directional element priority: combination of Q, V, or OFF ORDER =
(Make setting 50P32P if preceding enable settings E32 = Y or AUTO
and ELOAD = N)

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