8 Commissioning
Maschinenfabrik Reinhausen GmbH 2021 617817454/02 EN TAPCON
®
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During the function test, you must set the most important parameters. Details
on the parameters listed can be found in the Operation [►Section 9, Page
67] chapter.
8.2.1 Checking measured values and status of digital inputs and
outputs
Upon commissioning the device, check whether the measured values and
status of digital inputs and outputs are plausible. To do so, use an additional
measuring device if necessary to check the individual measured values.
1. Go to Information > Hardware.
2. Select the individual assemblies one after another and check the individ-
ual measured values or the status of digital inputs and outputs.
3. If errors arise, check the measurement path and the wiring.
8.2.2 Testing the device control function
ü Supply voltage must be present.
1. Press to select manual mode.
2. Set the transmission ratio for the voltage transformer, current transformer
and transformer circuit.
3. Measure actual voltage and compare with the measured value displayed
on the device's main screen.
4. Select the Measured values menu item to display the operating values
for current and power and compare them with the values of the operation
measurement instruments.
5. Control the on-load tap-changer manually using the or keys
until the measured voltage U
actual
reaches the desired voltage U
desired
("de-
sired value1").
6. Set desired value to the value you want.
7. Set bandwidth depending on step voltage [►Page 114].
8. Set the delay time T1 to 20seconds [►Page 115].
9. Set the time response T1 to linear [►Page 115].
10. Press to raise the on-load tap-changer one step.
11. Press to select auto mode.
ð If the actual voltage is outside the bandwidth, the device returns the
on-load tap-changer to the original operating position after 20sec-
onds.
12. Press to select manual mode.
13. Press to lower the on-load tap-changer one step.