DBT12/15/24 Operations Manual....43
7.4. TRIDENT SYSTEM OPERATION
7.4.1. Power Turn-On Procedure
A 3-position rocker-style power switch is located on the front upper left side of the Paralleling
Master. The switch positions are as follows:
Middle: OFF
Top: ON, using shore cord 1 to power the Paralleling Master
Bottom: ON, using shore cord 2 to power the Paralleling Master
It is expected that the Slave DBT circuit breakers and the Paralleling Master power switch will be
left in the ON position, and power will be controlled via the dock circuit breakers. In case the
Slave DBT circuit breakers and the Paralleling Master power switch are OFF and shore power is
present, the Paralleling Master can be turned on before or after the Slave DBT units are turned on.
If the Slave DBT units are powered on first, they will operate autonomously, each powering the
bus that it is connected to. If the Paralleling Master is powered on first, it will wait until a Slave
DBT is powered ON.
A few seconds after powering up the Paralleling Master the fan will start spinning and the display
will illuminate and show the model name and software version:
DOCK BOOST TRANSFORMER-II
Version Vx.xx
(c)COPYRIGHT 2019 ASEA POWER SYSTEMS
The display will sequence to the first summary screen indicating the following shore power
information: phasing, voltage, current, load level, apparent and real power, and power factor.
The screen also includes the Trident System operating mode (PARALLEL, 2SINGLES, SLAVE1,
SLAVE2, OK, WARNING, or FAILURE) and, if in parallel mode, voltage gain (1:1, BOOST1,
BOOST2 or BOOST3).
SHORE1 SHORE2 xxx
xxx Vxx.xkVA xxx V xx.xkVA PARALLEL
xxA xx.xkW xxA xx.xkW BOOST1
xx % x.xPF xx % x.xPF 1 of 3
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