134 Functional description CG Drives & Automation 01-7318-01r1
Grid/Network Voltage (U1) level [G242]
Grid/Network voltage (U1) level at which specified Q1 is
supplied.
Reactive Power (Q2) Voltage level (U2)
[G243]
Desired reactive power support (Q2) at measured grid/
network voltage (U2) level.
Grid/Network Voltage (U2) level [G244]
Grid/Network voltage (U2) level at which specified Q2 is
supplied.
Reactive Power (Q3) At Voltage level (U3)
[G245]
Desired reactive power support (Q3) at measured grid/
network voltage (U3) level.
Grid/Network Voltage (U3) level [G246]
Grid/Network voltage (U3) level at which specified Q3 is
supplied.
Reactive Power (Q4) At Voltage level (U4)
[G247]
Desired reactive power support (Q4) at measured grid/
network voltage (U4) level.
Grid/Network Voltage (U4) level [G248]
Grid/Network voltage (U4) level at which specified Q4 is
supplied.
Filter Time Constant On Grid/Network
Voltage Measurement [G249]
Grid/Network voltage measurement used for Q(U) support
has a first order filter. Time constant for that first order filter
can be configured here. This is common time constant for
all the voltage levels i.e. U1, U2, U3 and U4.
Default: 85%
Range: 0% - 120%
Default: 10%
Range: -100% - 100%
NOTE:
-ve Q2 value in [G243] indicates the under excited mode
and +ve sign indicates the over-excited mode.
Default: 95%
Range: 0% - 120%
Default: -10%
Range: -100% - 100%
NOTE:
-ve Q3 value in [G245] indicates the under excited mode
and +ve sign indicates the over-excited mode.
Default: 105%
Range: 0% - 120%
Default: -50%
Range: -100% - 100%
NOTE:
-ve Q4 value in [G247] indicates the under excited mode
and +ve sign indicates the over-excited mode.
Default: 110%
Range: 0% - 120%
Default: 3.0s
Range: 0.0s - 60.0s
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