GE 750 Instruction Manual page 117

CHAPTER 4: INTERFACES
750 FEEDER MANAGEMENT RELAY – INSTRUCTION MANUAL
2. Click on the Save to File button to save the selected waveform to the local PC. A new
window will appear requesting for file name and path.
3. The file is saved as a comma separated values file, with the extension 'CSV'. A CSV file
can be viewed and manipulated with compatible third-party software, such as
Microsoft Excel.
4. To view a previously saved file, click the Open button and select the corresponding
CSV file.
5. To view the captured waveforms, click the Launch Viewer button. A detailed
Waveform Capture window will appear as shown below:
TRIGGER TIME & DATE
VECTOR DISPLAY SELECT
Display the time & date of the
Click here to open a new graph
Trigger
to display vectors
Display graph values
at the corresponding FILE NAME
cursor line. Cursor
Indicates the
lines are identified by
file name and
their colors.
complete path
(if saved)
FIGURE 4–7: Waveform Capture Window Attributes
6. The red vertical line indicates the trigger point of the relay.
7. The date and time of the trip is displayed at the top left corner of the window. To
match the captured waveform with the event that triggered it, make note of the time
and date shown in the graph. Then, find the event that matches the same time and
date in the event recorder. The event record will provide additional information on the
cause and the system conditions at the time of the event. Additional information on
ADVANCED ENERVISTA 750/760 SETUP FEATURES
CURSOR LINE POSITION
Indicate the cursor line position
in time with respect to the
trigger time
CURSOR
LINES
To move lines locate the mouse pointer
over the cursor line then click and drag
the cursor to the new location.
DELTA
Indicates time difference
between the two cursor lines
TRIGGER LINE
Indicates the
point in time for
the trigger
4 - 33