25. Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code. The
following will be displayed:
Tap Difference
2 C
26. Utilizing the arrow pushbuttons, enter the desired Tap Difference setting (2 to 8)
then press the ENT pushbutton.
27. Drive the Follower Tap Position to match the Master Tap Position.
28. Repeat the procedure above for each Follower in the Master/Follower scheme.
29. Determine the Master "Band Status" by navigating on the Master HMI menu to the
"Monitor/Status" menu item, then proceed as follows:
29.1. Press the Down arrow pushbutton as necessary to navigate to the "Tapchanger
Status" screen.
29.2. Press the ENT pushbutton. The control will display a summary of the
Tapchanger Status parameters.
TAP BDS PWR BLK VRD
0 lo fwd --- off
BDS = Band Status "lo, hi, ok"
29.3. If the Master Band Status is not In
‑
Band:
•
Adjust the Master tap position by initiating a tapchange as necessary to
bring the Master Band Status In
‑
Band.
•
Drive each Follower tap position in the Master/Follower scheme to
match the Master tap position.
30. With the Master Band Status In-Band "ok", proceed as follows:
30.1. From the Master Control HMI, navigate to the "Master/Follower" menu.
30.2. Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code.
The following will be displayed:
Master/Follower
NONE C
30.3. Utilizing the arrow pushbuttons select "MASTER", then press the ENT
pushbutton.
After placing the Master control in "Master" the Master will
not respond to any tapchange requests for 32 seconds.
30.4. When at least 32 seconds have elapsed, initiate a Raise or Lower tapchange.
30.5. Verify that all Followers initiate tapchanges to match the Master tap position.
30.6. Place the Master Control in Automatic and verify Automatic operation.
The Master/Follower Paralleling scheme is now in effect.
Section 6
1VAC388793-MB A
Configuration
428
TCC300
User Manual
Summary of Contents for TCC300
Page 1: ...Digital Tapchanger Control TCC300 User Manual ...
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