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SIPROTEC
®
4 Devices
4-13
7SA6 Manual
C53000-G1176-C156-2
4.3.3
Oscillographic Fault Records
As an option, SIPROTEC
®
4 devices can have waveform capturing and event record-
ing. Furthermore, the elements that are shown in the fault records can be selected by
the user.
The fault record data are retrieved from the device memory by DIGSI
®
4 and are
stored as oscillographic records in standard COMTRADE format.
The DIGRA
®
4 program is used to convert the oscillographic data into graphical rep-
resentations that can be used to analyse the fault or the event captured by the device.
DIGRA
®
4 calculates additional values from the waveform data, e.g. impedances and
rms values, and displays the captured and calculated values in:
G
analogue curves with timebase (time signals),
G
phasor diagrams,
G
locus diagrams, and
G
harmonic graphs.
Figure 4-8
DIGRA
®
4 graphical representations of the waveform data — view examples
Details can be found in the DIGSI
®
4 manual, order number E50417-H1176-C097,
and the DIGRA
®
4 manual, order number E50417-H1176-C070.
Summary of Contents for siprotec 7SA6
Page 2: ...Siemens Aktiengesellschaft Book No C53000 G1176 C156 2 ...
Page 18: ...xviii 7SA6 Manual C53000 G1176 C156 2 ...
Page 32: ...Introduction 1 14 7SA6 Manual C53000 G1176 C156 2 ...
Page 82: ...Hardware and Connections 2 50 7SA6 Manual C53000 G1176 C156 2 ...
Page 119: ...SIPROTEC 4 Devices 4 25 7SA6 Manual C53000 G1176 C156 2 Figure 4 20 CFC Logic example ...
Page 190: ...Configuration 5 62 7SA6 Manual C53000 G1176 C156 2 ...
Page 652: ...Installation and Commissioning 8 78 7SA6 Manual C53000 G1176 C156 2 ...
Page 724: ...Technical Data 10 56 7SA6 Manual C53000 G1176 C156 ...
Page 800: ...Appendix A 76 7SA6 Manual C53000 G1176 C156 2 ...
Page 866: ...Appendix B 66 7SA6 Manual C53000 G1176 C156 2 ...