
Calibration/Test
3.
Press the Down arrow pushbutton, as necessary, to navigate to the Button Input Test
menu item.
4.
Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code. The
following will be displayed:
Button Input Test
Press A Key...
5.
Test the desired pushbutton by pressing and holding the pushbutton. The display will
identify the pushbutton if it is working correctly.
9.11
Delta VAr peer to peer paralleling checkout procedure
9.11.1
Performing two transformer verification
1.
Verify that the individual controls to be included in the Peer to Peer configuration
have been tested in the independent mode of operation.
2.
Verify that Peer to Peer (P2P) DeltaVar has been configured in each control and they
are ready to be tested.
3.
Place all the transformers to be paralleled in Manual mode to keep them from
responding to tap change requests.
4.
Place all the transformers to be paralleled on the same tap position so that the
regulated voltage is near the band center setting.
5.
For this verification, assume that the following system conditions exist:
•
All the transformers are the same.
•
The high side sources are all connected together.
•
There is only one high side source for the paralleled transformers.
6.
If the high side sources are connected together, then verify that the DeltaVar current
in all the transformers is near zero.
7.
If the high side sources are not connected together, then it may be necessary to adjust
the tap positions to obtain a zero DVAR current, or the minimum value possible.
Record the difference in the tap positions, for example Transformer 1 may be two
taps higher then Transformer 2.
Write down the Tap Position Difference.
8.
Manually raise Transformer 1, one or two taps.
9.
Manually lower Transformer 2, one or two taps, then observe the following:
1VAC388793-MB A
Section 9
Testing
TCC300
585
User Manual
Содержание TCC300
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