540
10
ELECTRIC SYSTEM
Studio ti 03312 540-04usa
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The electrical system of your yacht has been designed with the utmost
attention to all aspects of safety. The system has been manufactured and
installed using high-quality materials that meet or exceed industry
standards.
This system has been manufactured according to the standards of
Registro Italiano Navale (section D - RINA), of UNI EN ISO and of ABYC,
which regulate the electrical systems of pleasure yachts.
The yacht electric system consists of three distinct and separated
sections:
−
Users network supplied at a rated voltage of 24 V DC by six banks of
accumulators at 12 V DC each, serially/parallel connected to deliver
24 V.
The above-mentioned battery bank is re-charged through the 100 A
output of the on-board battery charger and by the alternator, driven by
the port propulsion engine of the yacht.
−
Engine network, supplied at a rated voltage of 24 V DC, by six
accumulator banks of 12 V DC each, serially/parallel connected to
obtain 24 V. This bank of batteries is recharged by a second output of
the onboard battery charger, and by the alternator driven by the
starboard engine.
−
230 V - 60 Hz user network supplied from shore, or alternatively, by
the power generator installed onboard (standard generator power
23 kW). The power generator is supplied by a 12 V DC accumulator
bank, located near the generator and recharged by the generator
battery charger and by an alternator, driven by the generator.
All the electric cables have been insulated with PVC N07V-K and further
protected by sheaths and/or PVC self-extinguishing raceways.
Each junction is made by terminals with screw tightening housed in self-
extinguishing PVC boxes. The protection of the system’s single parts is
ensured by automatic breakers of different amperage and sized
according to the absorption of each single user to be protected, and to the
size of the wires used for their supply. All metallic wet pieces are
interlocked with equipotential connections and linked on sacrificial
anodes of zinc installed on the underwater quick-work.
Regular service and proper use of the system will contribute greatly to its
continued safety. Like any other system onboard, the electric system is
subject to the stresses and vibrations of the hull. In addition, the electric
system is exposed to high levels of corrosive salt humidity. Therefore,
you must check the condition of the system and its individual components
as part of a scheduled service plan.
NOTE: the 230 V AC system shows features (and hazards) similar to
those of a domestic household system. If the system or components are
misused, or poorly maintained, there is a risk of fire or personal injury.
Statistically, the electrical system is one of the most frequent causes of
fire onboard.
There are two separate electrical systems onboard, each one having own
features:
−
24V DC
−
230 V AC (60 Hz)
The DC voltage electrical systems are supplied by three banks of storage
batteries: engine bank (24 V), user bank (24 V) and generator battery
(12 V).
The AC system can be powered either by the shore power supply or by
the onboard generator.
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