상황
A marine vessel main DC panel distributes 120V DC power from an engine-driven alternator and a shore charger to navigation, communication, lighting, and emergency loads through individual circuit breakers.
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01
Use generator node for alternator with 120V DC voltage rating
02
Represent shore charger as generator source labeled AC-DC
03
Include incomer breakers for each source before the main DC bus
04
Assign dedicated breakers and loads for navigation, communication, lighting, and emergency systems
When designing or documenting a marine DC distribution panel with multiple DC sources and protected load circuits, especially for vessels with 120V DC systems.