Schweitzer Engineering Laboratories SEL-787, Instruction Manual, Page: 73 / 564

3.11
Date Code 20081022 Instruction Manual SEL-787 Relay
PC Software
Event Analysis
Event Analysis
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QuickSet has integrated analysis tools that help you retrieve
information about relay operations quickly and easily. Use the event
information that the SEL-787 stores to evaluate the performance of a system
(select
Tools > Events > Get Event Files ). Figure 3.10 shows composite
screens for retrieving events.
Figure 3.10 Composite Screens for Retrieving Events
Event Waveforms
The relay provides two types of event data captures: event reports that use
4 samples/cycle filtered data and 16 samples/cycle unfiltered (raw) data. See
Section 9: Analyzing Events for information on recording events. Use the
Options function in Figure 3.10 to select the 16 samples/cycle unfiltered
(raw) data event (default is 4 samples/cycle filtered data).
View Event History
You can retrieve event files stored in the relay and transfer these files to a
computer. For information on the types of event files and data capture, see
Section 9: Analyzing Events . To download event files from the device, click
Tools > Events > Get Event Files . The Event History dialog box appears, as
shown in Figure 3.10 .
Get Event
Highlight the event you want to view (e.g., Event 3 in Figure 3.10 ), select the
event type with the Options Event type function (4 samples or 16 samples),
and click the
Get Selected Event button. When downloading is complete,
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QuickSet queries whether to save the file on your computer, as
shown in Figure 3.11 .
Event Selection