Manual 37128A GCP-20 Series - Genset Control
Page 98/190 © Woodward
Breaker
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Parameter 103
Configure
breaker YES
Configuration of the breakers YES/NO
Parameters are grouped together in blocks to permit quicker navigation through the
large number of configuration screens. Selecting "YES" or "NO" has no effect if
controlling or monitoring is performed. This parameter has the following effects:
YES ..............The configuration screens in the next block are displayed and can ei-
ther be viewed ("Select" push-button) or modified ("Cursor →",
"Digit ↑" or "Select" push-buttons).
NO................The parameters in the next block are not displayed, cannot be modi-
fied and are therefore skipped.
Breaker Logic
Parameter 104
Breaker logic:
----------------
Breaker logic see below
The control automatically controls the two breakers (MCB and GCB). Up to five
(5) breaker logic modes may be selected. These are:
GCP-20 GCP-21 GCP-22
EXTERNAL EXTERNAL EXTERNAL
OPEN TRANS. PARALLEL PARALLEL
CLOSED TRANS. --- OPEN TRANS.
--- --- CLOSED TRANS.
--- --- INTERCHANGE
A detailed explanation for each mode may be found in the following text.
CAUTION
Please consider that units with a software older than V1.0700 do not have an internal rotating field
monitoring.
Units below V1.0700 assume always a clockwise phase rotation direction of all three voltage systems,
which are measured.
A rotating field monitoring must be provided by the customer in order to avoid a CB closure with a
counter-clockwise rotating field.
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