Siemens Argus 7SR21 - Page 193

7SR220 Instrumentation Guide
Page 8 of 20 © 2017 Siemens Protection Devices Limited
1.3. Voltage Meters
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VOLTAGE METERS
> to view
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This is the sub-group that includes all the meters that are associated with
Voltage TEST/RESET ► allows access to this sub-group
Prim Ph-Ph Voltage
Vab 0.00V
Vbc 0.00V
Vca 0.00V
Displays the Phase to Phase Voltage Primary RMS values
Sec Ph-Ph Voltage
Vab 0.00V
Vbc 0.00V
Vca 0.00V
Displays the Phase to Phase Voltage Secondary RMS values & Angles with
respect to PPS voltage.
Nominal Ph-Ph Voltage
Vab 0.00xVn ----o
Vbc 0.00xVn ----o
Vca 0.00xVn ----o
Displays the Phase to Phase Voltage Nominal RMS values
Prim Ph-N Voltage
Va 0.00V
Vb 0.00V
Vc 0.00V
Displays the Phase to Neutral Voltage Primary RMS values
Sec Ph-N Voltage
Va 0.00V
Vb 0.00V
Vc 0.00V
Displays the Phase to Neutral Voltage Secondary RMS values & Angles with
respect to PPS voltage.
Nom Ph-N Voltage
Va 0.00xVn ----o
Vb 0.00xVn ----o
Vc 0.00xVn ----o
Displays the Phase to Neutral Voltage Nominal RMS values
V Seq Components
Izps 0.00V ----o
Ipps 0.00V ----o
Inps 0.00V ----o
Displays the Voltage Sequence components Nominal RMS values & phase
angles with respect to PPS voltage.
Calc Earth Voltage
Pri 0.00V
Sec 0.00V ----o
Displays the calculated Earth voltage both primary and secondary which also
shows the secondary angle
CS/NVD Voltage (Vx)
Pri 0.00V
Sec 0.00V ----o
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.
Last Trip Voltage
Va 0.00V
Vb 0.00V
Vc 0.00V
Displays the Phase to Neutral Voltage Nominal RMS values from Last Trip
1.4. Frequency Meters
Instrument Description
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FREQUENCY METERS
> to view
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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.