Operation and configuration
2 Local panel user interface
2.3 Operating measures
VM55.EN005
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23
4.
Select “VIon” to activate the virtual input or select “VIoff” to
deactivate the virtual input
2.3.2.
Measured data
The measured values can be read from the Meas menu and its
submenus. Furthermore, any measurement value in the
following table can be displayed on the main view next to the
single line diagram. Up to six measurements can be shown.
Value
Menu/Submenu
Description
f
U/FREQ
Frequency [Hz]
Uline
U/LINE VOLTAGES
Average value for the three line
voltages [V]
U12
U/LINE VOLTAGES
Phase-to-phase voltage U12 [V]
U23
U/LINE VOLTAGES
Phase-to-phase voltage U23 [V]
U31
U/LINE VOLTAGES
Phase-to-phase voltage U31 [V]
UL
U/PHASE VOLTAGES
Average for the three phase voltages
[V]
UL1
U/PHASE VOLTAGES
Phase-to-earth voltage UL1 [V]
UL2
U/PHASE VOLTAGES
Phase-to-earth voltage UL2 [V]
UL3
U/PHASE VOLTAGES
Phase-to-earth voltage UL3 [V]
Uo
U/SYMMETRIC
VOLTAGES
Residual voltage Uo [%]
U1
U/SYMMETRIC
VOLTAGES
Positive sequence voltage [%]
U2
U/SYMMETRIC
VOLTAGES
Negative sequence voltage [%]
U2/U1
U/SYMMETRIC
VOLTAGES
Negative sequence voltage related to
positive sequence voltage [%]
Count
U/VOLT. INTERRUPTS
Voltage interrupts counter [ ]
Prev
U/VOLT. INTERRUPTS
Previous interruption [ ]
Total
U/VOLT. INTERRUPTS
Total duration of voltage
interruptions [days, hours]
Prev
U/VOLT. INTERRUPTS
Duration of previous interruption [s]
Status
U/VOLT. INTERRUPTS
Voltage status [LOW; NORMAL]
Содержание VAMP 55
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