9.6
SEL-700G Relay
Instruction Manual
Date Code 20170814
Analyzing Events
Event Reporting
The event history contains the following:
➤
Standard report header
➢
Relay and terminal identification
➢
Date and time of report
➢
Time source (Internal or IRIG-B)
➤
Event number, date, time, event type (see Table 9.1)
➤
Maximum current
➤
Frequency
➤
Target LED status
Viewing the Event History
Access the history report from the communications ports, using the HIS
command or the analysis menu within
AC
SEL
ERATOR
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 7.32 for information on the HIS command.
Use the front-panel
MAIN > Events > Display
menu to display event history
data on the SEL-700G front-panel display.
Use the QuickSet software to retrieve the relay event history. View the Relay
Event History dialog box via the Analysis > 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 clears all
event summaries, history records, and reports.
Event Reports
The latest event reports are stored in nonvolatile memory. The SEL-700G
Relay captures the following types of data:
➤
Analog values
➤
Digital states of the protection and control elements, plus status
of digital output and input states
➤
Event Summary
➤
Settings in service at the time of event retrieval, consisting of
Group, Logic, Global, and Report settings classes
=>>
HIS <Enter>
SEL-700G Date: 02/24/2010 Time: 19:09:29.444
GENERATOR RELAY Time Source: External
FID = SEL-700G-X134-V0-Z001001-D20100224
#
DATE
TIME
EVENT
CURRENT
FREQX
TARGETS
1
2
3
=>>
02/24/2010
02/24/2010
02/24/2010
19:08:09.705
19:03:51.756
19:00:20.948
Diff 87 Trip
Diff 87 Trip
Volt/Hz 24 Trip
526.5
105.2
1.4
60.00
60.00
60.00
11100000
11100000
11000100
Event
Number
Event Type
Maximum
Current
Frequency
User-Defined
Target LEDs
Figure 9.2
Sample Event History
Summary of Contents for SEL-700G Series
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