5 Commissioning
Maschinenfabrik Reinhausen 2014 432374092/04 EN TAPCON® 260
Checking control functions
This section describes how you can check the device's control functions:
ü Supply voltage must be present.
ü All motor-drive units must be in the same tap position.
1. Press to select manual mode.
2. Set transmission ratio for voltage transformer, current transformer and
measuring set-up.
3. Measure actual voltage and compare with the measured value dis-
played on the device's main screen.
4. Press key several times to display the operating values for current,
power and phase angle and compare them with values of service instru-
ments.
5. Control all on-load tap-changers manually with the or keys and
the "ED all" selection until the measured voltage (U
actual
) reaches the de-
sired voltage (U
desired
) set in the next stage.
6. Set desired value 1 to the value you want [► 65].
7. Set bandwidth depending on step voltage [► 66].
8. Set delay time T1 to 20 seconds [► 66].
9. Set control response T1 to linear [► 67].
10. Press and select the "ED all" option to raise the on-load tap-chang-
er 1 step.
11. Press to select auto mode.
ð After 20 seconds, the device returns the on-load tap-changer to the
original operating position.
12. Press to select manual mode.
13. Press and select the "ED all" option to lower the on-load tap-chang-
er 1 step.
14. Press to select auto mode.
ð After 20 seconds, the device returns the on-load tap-changer to the
original operating position.
15. Press to select manual mode.
16. Set delay time T2 to 10 seconds [► 68].
17. Activate delay time T2.
18. Press twice and select the "ED all" option to raise the on-load tap-
changer 2 steps.
5.3.1
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