Siemens Argus 7SR21 Technical Manual page 193

7SR220 Instrumentation Guide
1.3. Voltage Meters
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VOLTAGE METERS
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Prim Ph-Ph Voltage
Vab
Vbc
Vca
Sec Ph-Ph Voltage
Vab
Vbc
Vca
Nominal Ph-Ph Voltage
Vab 0.00xVn ----o
Vbc 0.00xVn ----o
Vca 0.00xVn ----o
Prim Ph-N Voltage
Va
Vb
Vc
Sec Ph-N Voltage
Va
Vb
Vc
Nom Ph-N Voltage
Va 0.00xVn ----o
Vb 0.00xVn ----o
Vc 0.00xVn ----o
V Seq Components
Izps 0.00V ----o
Ipps 0.00V ----o
Inps 0.00V ----o
Calc Earth Voltage
Pri 0.00V
Sec 0.00V ----o
CS/NVD Voltage (Vx)
Pri 0.00V
Sec 0.00V ----o
Last Trip Voltage
Va
Vb
Vc
1.4. Frequency Meters
Instrument
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FREQUENCY METERS
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Page 8 of 20
This is the sub-group that includes all the meters that are associated with
Voltage TEST/RESET ► allows access to this sub-group
Displays the Phase to Phase Voltage Primary RMS values
0.00V
0.00V
0.00V
Displays the Phase to Phase Voltage Secondary RMS values & Angles with
0.00V
respect to PPS voltage.
0.00V
0.00V
Displays the Phase to Phase Voltage Nominal RMS values
Displays the Phase to Neutral Voltage Primary RMS values
0.00V
0.00V
0.00V
Displays the Phase to Neutral Voltage Secondary RMS values & Angles with
0.00V
respect to PPS voltage.
0.00V
0.00V
Displays the Phase to Neutral Voltage Nominal RMS values
Displays the Voltage Sequence components Nominal RMS values & phase
angles with respect to PPS voltage.
Displays the calculated Earth voltage both primary and secondary which also
shows the secondary angle
Displays the 4th voltage (Vx) both primary and secondary which also shows
the secondary angle. This voltage can be used for NVD, Vx 27/59 or where
available Checksync.
Displays the Phase to Neutral Voltage Nominal RMS values from Last Trip
0.00V
0.00V
0.00V
Description
This is the sub-group that includes all the meters that are associated with
Frequency TEST/RESET ► allows access to this sub-group
Displays the power system frequency.
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