Schweitzer Engineering Laboratories SEL-351-5, Инструкция по эксплуатации

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Date _______________
Date Code 20070117
Instruction Manual SEL-351-5, -6, -7 Relay
SET.7
of 34
Time-Dial (0.50–15.00 for curves U1–U5,
0.05–1.00 for curves C1–C5)
51BTD =
Electromechanical Reset (Y, N) 51BRS =
C-Phase Time-Overcurrent Element (See Figure 3.17 )
(Make the following settings if preceding enable setting E51P = 2.)
Pickup (OFF, 0.25–16.00 A {5 A nom.},
0.05–3.20 A {1 A nom.})
51CP =
Curve (U1–U5, C1–C5; see Figure 9.1 – Figure 9.10 ) 51CC =
Time-Dial (0.50–15.00 for curves U1–U5,
0.05–1.00 for curves C1–C5)
51CTD =
Electromechanical Reset (Y, N) 51CRS =
Neutral-Ground Time-Overcurrent Element—Channel IN (See Figure 3.18 )
(Make the following settings if preceding enable setting E51N = Y.)
Pickup (OFF, 0.500–16.000 A {5 A nom.},
0.100–3.200 A {1 A nom.}, 0.005–0.640 A {0.2 A nom.},
0.005–0.160 A {0.05 A nom.})
51NP =
Curve (U1–U5, C1–C5; see Figure 9.1 – Figure 9.10 ) 51NC =
Time-Dial (0.50–15.00 for curves U1–U5,
0.05–1.00 for curves C1–C5)
51NTD =
Electromechanical Reset (Y, N) 51NRS =
Residual-Ground Time-Overcurrent Element (See Figure 3.19 )
(Make the following settings if preceding enable setting E51G = Y.)
Pickup (OFF, 0.10–16.00 A {5 A nom.},
0.02–3.20 A {1 A nom.})
51GP =
Curve (U1–U5, C1–C5; see Figure 9.1 – Figure 9.10 ) 51GC =
Time-Dial (0.50–15.00 for curves U1–U5,
0.05–1.00 for curves C1–C5)
51GTD =
Electromechanical Reset (Y, N) 51GRS =
Negative-Sequence Time-Overcurrent Element (See Figure 3.20 )
IMPORTANT:
See Appendix F for information on setting negative-sequence overcurrent elements.
(Make the following settings if preceding enable setting E51Q = Y.)
Pickup (OFF, 0.25–16.00 A {5 A nom.},
0.05–3.20 A {1 A nom.})
51QP =
Curve (U1–U5, C1–C5; see Figure 9.1 – Figure 9.10 ) 51QC =
Time-Dial (0.50–15.00 for curves U1–U5,
0.05–1.00 for curves C1–C5)
51QTD =
Electromechanical Reset (Y, N) 51QRS =