Sel 751A - Figure 9.2 Sample Event History; Event Reports; Viewing the Event History

9.6
SEL-751A Relay Instruction Manual Date Code 20100129
Analyzing Events
Event Reporting
➤ Maximum feeder current
➤ Frequency
➤ Target LED status
=>>HIS <Enter>
SEL-751A Date: 02/28/2007 Time: 15:06:13
FEEDER RELAY Time Source: Internal
FID = SEL-751A-R100-V0-Z001001-D20070410
# DATE TIME EVENT CURRENT FREQ TARGETS
1 02/28/2007 13:58:23.629 Trigger 110.7 60.0 10000000
2 02/28/2007 13:54:10.003 Phase 51 Trip 1170.1 60.0 11010001
3 02/28/2007 13:54:09.607 ER Trigger 1190.1 60.0 11010001
4 02/28/2007 13:47:36.121 Phase 51 Trip 1172.4 59.9 11010000
5 02/28/2007 13:47:35.725 ER Trigger 1171.7 59.9 10000000
6 02/28/2007 13:43:30.393 Phase 51 Trip 483.9 60.1 11010001
7 02/28/2007 13:43:29.347 ER Trigger 484.9 60.0 11010001
=>>
Figure 9.2 Sample Event History
Viewing the Event History
Access the history report from the communications ports, using the HIS
command or the analysis menu within
ACSELERATOR QuickSet
®
SEL-5030
software. View and download history reports from Access Level 1 and higher.
Use the HIS command from a terminal to obtain the event history. You can
specify the number of the most recent events that the relay returns. See
HISTORY Command on page 7.29 for information on the HIS command.
Use the front-panel
MAIN > Events > Display menu to display event history
data on the SEL-751A front-panel display.
Use the
ACSELERATOR QuickSet software to retrieve the relay event history.
View the Relay Event History dialog box via the Tools > Events > Get
Event Files menu.
Clearing
Use the HIS C command to clear or reset history data from Access Levels 1
and higher. Clear/reset history data at any communications port. This will
clear all event summaries, history records, and reports.
Event Reports
The latest event reports are stored in nonvolatile memory. Each event report
includes four sections:
➤ Analog values of current and voltage
➤ Digital states of the protection and control elements, including
overcurrent, and voltage elements, plus status of digital output
and input states
➤ Event Summary
➤ Settings in service at the time of event trigger, consisting of
Group, Logic, Global, and Report settings classes
Use the EVE command to retrieve the reports. There are several options to
customize the report format.
Event
Number
Event Type
Maximum
Current
User-Defined
Target LEDs
Frequency