R.2.48
SEL-421 Relay Reference Manual Date Code 20111215
Auto-Reclosing and Synchronism Check
Settings and Relay Word Bits for Auto-Reclosing and Manual Closing
3POID4 Three-Pole Open Interval 4 Delay
(1–99999 cycles)
180
3PFARC Three-Pole Fast Automatic Reclose Enable
(SEL
OGIC Equation)
NA
3PFOID Three-Pole Fast Open Interval Delay
(1–99999 cycles)
60
3PRCD Three-Pole Reclaim Time Delay
(1–99999 cycles)
900
3PRI Three-Pole Reclose Initiation
(SEL
OGIC Equation)
3PT AND NOT
(M2PT OR Z2GT
OR M3PT OR
Z3GT OR
SOTFT)
79SKP Skip Reclosing Shot (SEL
OGIC Equation) NA
3P1CLS Three Pole BK 1 Reclose Supervision
(SEL
OGIC Equation)
b
1
3P2CLS Three Pole BK 2 Reclose Supervision
(SEL
OGIC Equation)
b
1
Voltage Elements
EVCK Reclosing Voltage Check (Y, N) N
27LP Dead Line Voltage (1.0–200 V secondary) 14.0
59LP Live Line Voltage (1.0–200 V secondary) 53.0
27BK1P Breaker 1 Dead Busbar Voltage
c
(1.0–200 V secondary)
14.0
59BK1P Breaker 1 Live Busbar Voltage
c
(1.0–200 V secondary)
53.0
27BK2P Breaker 2 Dead Busbar Voltage
c
(1.0–200 V secondary)
14.0
59BK2P Breaker 2 Live Busbar Voltage
c
(1.0–200 V secondary)
53.0
a
Adjust all timers in 1-cycle steps.
b
These settings cannot be set to NA or to logical 0.
c
These settings must be made on the normalized voltage scale if setting KS1M 1.00. or
KS2M 1.00; see Voltage Magnitude and Angle Compensation on page R.2.56
Table 2.25 Auto-Reclose Logic Relay Word Bits (Sheet 1 of 3)
Name Description
BK1RS Breaker 1 in Reset State
BK2RS Breaker 2 in Reset State
79CY1 Relay in Single-Pole Reclose Cycle State
79CY3 Relay in Three-Pole Reclose Cycle State
BK1LO Breaker 1 in Lockout State
BK2LO Breaker 2 in Lockout State
SPARC Single-Pole Reclose Initiate Qualified
SPOISC Single-Pole Open Interval Supervision Condition
SPOI Single-Pole Open Interval Timing
SPSHOT0 Single-Pole Shot Counter = 0
Table 2.24 Auto-Reclose Logic Settings (Sheet 3 of 3)
a
Label Prompt Default Value
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