7 Operation
Maschinenfabrik Reinhausen GmbH 2019 1035163667/06 EN ETOS
®
IM
Response to a measured active power P
meas
= 0 MW:
If the measured active power P
meas
= 0, the set parameter U
0
is adopted.
Linear dependency with negative active power:
If the measured active power P
min
≤ P
meas
≤ 0, the desired value is calculated
using the following formula:
Linear dependency with positive active power:
If the measured active power 0 ≤ P
meas
≤ P
max
, the desired value is calculated
using the following formula:
To activate the active power-dependent adjustment of the desired voltage
value, you need to set the following parameters:
Activating TDSC
The TDSC function is only active when the device can calculate the active
power (correct current measurement and voltage measurement) and the re-
quired parameters are set. If this isn't done, the voltage is regulated to the
set desired value [►Section 7.3.1.1, Page 98]. You can activate or deacti-
vate the power-dependent adjustment of the desired voltage value as fol-
lows:
▪ Parameter
▪ Digital inputs TDSC on and TDSC off (optional)
▪ Control system command (optional)
If you activate TDSC, the line drop compensation (R&X compensation or Z
compensation) function is deactivated.
To activate/deactivate TDSC using parameters, proceed as follows:
1. Go to Settings > Parameters > Control > Activate TDSC.
2. Select the option you want.
3. Press the Accept button to save the modified parameter.
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