Sel SEL-421 - Page 307

Date Code 20020501 SEL-421/SEL-421-1 Relay
Index
Page numbers appearing in bold mark the location of the topic’s primary discussion.
U=User’s Guide; A=Application Handbook; R=Reference Manual
Symbols
*, largest current A.3.16, A.3.19
>, trigger row A.3.16, A.3.19
A
Acceptance Testing U.6.2
See also Testing
ACCESS Command
U.4.9, R.8.2
Access Levels U.4.8–U.4.10
1, B, P, A, O, 2 levels
U.4.10
communications ports
U.4.9
front panel
U.4.9
Accuracy
energy metering
A.2.41
instantaneous metering
A.2.32
maximum/minimum metering
A.2.34
ACSELERATOR Software U.1.4, U.3.1–
U.3.20, A.7.6
communications setup
U.3.4–U.3.5
FTP
U.3.4
serial
U.3.4
Telnet
U.3.5
terminal
U.3.5
COMTRADE
U.3.15–U.3.18
control window
U.3.20
database manager
U.3.6–U.3.7
device overview screen
U.3.20
drivers
U.3.7–U.3.8
event reports
U.3.15–U.3.18
event phasor display
U.3.17
event settings screen
U.3.18
expression builder
U.3.13–U.3.14
harmonic analysis
U.3.17
HMI
U.3.19
HMI phasors screen
U.3.20
installation
U.3.2–U.3.3
metering
U.3.20
Relay Editor
U.3.11
relay part number
U.3.11–U.3.12
setting the relay
U.3.9–U.3.12
summary event screen
U.3.18
system requirements
U.3.2
Alarm
dc battery system monitor
A.2.26
HALARM
U.6.37
relay output
U.2.42
Analog Quantities
in SEL
OGIC control equations
R.3.11
list sorted alphabetically
R.B.7
list sorted by function
R.B.2
ASCII Commands
U.4.5, A.2.17, R.4.2,
R.5.5, R.8.1–R.8.57
See Commands
Automatic Restoration
See Substation Automatic
Restoration
Automessages
U.6.37, A.6.6
See also SEL Binary Protocols
Auto-Reclose
R.2.1–R.2.40
application example
A.1.136–
A.1.150
external recloser
R.2.10
logic diagrams
R.2.32–R.2.40
one circuit breaker
R.2.5, R.2.10
single- and three-pole reclose
R.2.7
application example
A.1.140–A.1.146
single-pole reclose
R.2.5–R.2.6
three-pole reclose
R.2.6–R.2.7
application example
A.1.136–A.1.139
trip logic
R.2.10
Relay Word bits
R.2.31–R.2.32
settings
R.2.29, R.9.25–R.9.27
states
R.2.2–R.2.4
lockout
R.2.3
reset
R.2.2
single-pole auto-reclose
R.2.3
start
R.2.2
state diagram
R.2.4
three-pole auto-reclose
R.2.3
two circuit breakers
R.2.11–R.2.26
single- and three-pole reclose
R.2.14
single-pole reclose
R.2.11–
R.2.13
three-pole reclose
R.2.13–R.2.14
trip logic
R.2.25–R.2.26
voltage checks
R.2.27–R.2.28
B
Battery Monitor
See DC Battery System Monitor
Best Choice Ground Directional Element
U.1.2
See also Ground Directional
Elements
Boolean Equations
R.3.5
See also SEL
OGIC Control
Equations
Breaker Bit
A.6.11
BREAKER Command
A.2.17, R.8.2–
R.8.4
BREAKER CONTROL
front panel
U.5.17–U.5.18
Breaker Failure Protection
See Circuit Breaker Failure
Breaker History Report
See Circuit Breaker‚ history report
Breaker Monitor
See Circuit Breaker‚ monitor
Breaker Report
See Circuit Breaker‚ breaker report
C
Cable
See Communications
CCVT
U.1.2
See also CVT Transient Detection
CEVENT Command
A.3.24–A.3.28,
R.8.5–R.8.9
See also Event Report
CHISTORY Command
A.3.33, R.8.9
See also Event History
Circuit Breaker
auxiliary contacts (52A)
application example
U.4.62–
U.4.65
breaker report
A.2.18
Compressed ASCII CBR
A.2.20
contact wear curve
A.2.5–A.2.7
choose midpoint
A.2.6
creating
A.2.6
I
2
t A.2.6
maximum interrupted current
limit
A.2.6
mechanical circuit breaker
service life
A.2.6
contact wear monitor
A.2.3–A.2.9
loading maintenance data
A.2.4