The scenario
Designing the integrated power management system for a 120ft luxury superyacht, incorporating multiple AC sources, an inverter/charger, battery storage, and both 400V and 230V AC buses along with a 24V DC essential bus.
What is in this drawing
Read the decisions behind it.
01
Selecting 400V 3-phase for heavy loads and 230V single-phase for hotel loads
02
Choosing lithium batteries as UPS for silent operation
03
Shore power isolation and generator synchronization via the main bus
Applicable to medium-large yachts where both AC and DC systems must be integrated for comfort and safety, with redundancy from shore, generators, and renewables.
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