Schweitzer Engineering Laboratories SEL-421-4 - Table 8.74 Recloser and Manual Closing

8.30
SEL-421 Relay Instruction Manual Date Code 20171021
Settings
Group Settings
Make Table 8.74 through Tabl e 8 . 7 6 settings if Group settings E79 := Y or Y1 or
EMANCL := Y. The number of settings also depends on the Global settings
NUMBK := 1 or 2, BK1TYP := 1 or 3, and BK2TYP := 1 or 3.
ALTS2 Alternative Synchronism Source 2 (SELOGIC Equation) NA
ASYNCS2 Alternative Synchronism Source 2 (VAY, VBY, VCY,
VAZ, VBZ, VCZ)
VCZ
AKS2M Alternative Synchronism Source 2 Ratio Factor (0.10–3) 1.00 0.01
AKS2A Alternative Synchronism Source 2 Angle Shift (0, 30,
60, 90, 120, 150, 180, 210, 240, 270, 300, 330 degrees)
030
25SFBK2 Maximum Slip Frequency—BK2 (OFF, 0.005–0.5 Hz) 0.050 0.001
ANG1BK2 Maximum Angle Difference 1—BK2 (3.0–80 degrees) 10.0 0.1
ANG2BK2 Maximum Angle Difference 2—BK2 (3.0–80 degrees) 10.0 0.1
TCLSBK2 Breaker 2 Close Time (1.00–30 cycles)
a
8.00 0.25
BSYNBK2 Block Synchronism Check—BK2 (SEL
OGIC Equation) NA
a
Adjust setting TCLSBK2 in 0.25-cycle steps.
Table 8.74 Recloser and Manual Closing
a
(Sheet 1 of 2)
Setting Prompt
Default
Value
Increment
NSPSHOT Number of Single-Pole Reclosures (N, 1, 2) N
ESPR1 Single-Pole Reclose Enable—BK1
(SEL
OGIC Equation)
NA
ESPR2 Single-Pole Reclose Enable—BK2
(SEL
OGIC Equation)
NA
N3PSHOT Number of Three-Pole Reclosures (N, 1–4) 2
E3PR1 Three-Pole Reclose Enable—BK1
(SEL
OGIC Equation)
PLT06
E3PR2 Three-Pole Reclose Enable—BK2
(SEL
OGIC Equation)
PLT06
TBBKD Time Between Breakers for Automatic Reclose
(1–99999 cycles)
300 1
BKCFD Breaker Close Failure Delay
(OFF, 1–99999 cycles)
300 1
SLBK1 Lead Breaker = Breaker 1 (SEL
OGIC Equation) 1
SLBK2 Lead Breaker = Breaker 2 (SEL
OGIC Equation) NA
FBKCEN Follower Breaker Closing Enable
(SEL
OGIC Equation)
1
ULCL1 Unlatch Closing for Breaker 1 (SEL
OGIC Equation) 52AA1 AND
52AB1 AND
52AC1
ULCL2 Unlatch Closing for Breaker 2 (SEL
OGIC Equation) 52AA2 AND
52AB2 AND
52AC2
79DTL Recloser Drive to Lockout (SEL
OGIC Equation) NA
79BRCT Block Reclaim Timer (SEL
OGIC Equation) NA
Table 8.73 Breaker 2 Synchronism Check (Sheet 2 of 2)
Setting Prompt
Default
Value
Increment