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Old 10-02-2019, 06:09 PM   #13
nitrolx
Member
 
City: Port Stephens, NSW
Country: Australia
Vessel Model: Whittley Monterey 600
Join Date: Jan 2017
Posts: 12
I like it.

I like the redundancy of the separate 120v and 220v inverter banks, although being from Australia where the standard supply is single-phase 240v/50Hz, I would delete the 120v system completely and just use 240v appliances. Nearly all guest 'plug in' chargers etc. are voltage/frequency intolerant these days.

At this point in the design phase, I would definitely explore running the house DC system at 48v rather than 24v. The current draw on the DC bus in a "everything off the inverters all the time" system is massive, and I like the reduction in current at 48v. It also seems to make for an easier transition to lithium-based battery banks later if the system is already 48v nominal.
Another DC-DC converter for the 24v bus is easy.

Awesome looking boat!
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