The switchboards shown in figures 3-6, through
connections, the bus bars, and the disconnect links
3-9 are representative of those found on most gas
(fig. 3-9). Distribution of the generated power begins
turbine powered ships today, These switchboards
with the switchboard. These switchboards can be
use sheet steel panels or enclosures from which only
connected together through bus tie circuit breakers
the meters and the operating handles protrude to
to forma continuous loop. This allows any two of the
the front. The rear handles protrude to the front.
three GTGSs to supply the demand for power while
The rear panels can be removed to gain access to
the third can be set up to start automatically in the
the internal components including the meter
event of a power loss.
Figure 3-9.--Rear view of a switchboard showing bus bars and disconnect links.
3-8
