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Old 25-06-2020, 14:03   #1
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Dual (230/110v) voltage boat ?

Has anyone made their Lagoon 450 a ‘dual voltage’ (115/230v) boat ?

I assume there must be folks that bought a 110v boat and took it to Europe or Australia/New Zealand where the mains are 230v ? And did not tear the whole boat apart to change Aircon etc to make it work on 230v / 50 Hz while the boat was originally built wired for 110/60hz

I have an idea how to do it but am wondering if someone else has already done to be able to plug it in either 230/50 or 110/60 , have everything work and what was involved ?

I am thinking to add 230v and 110v multiplusses so that where ever we are we just charge the lithium with either 230 or 110 and use from the litium via the multiplusses , as far as I can see this would provide all the (separate 110 and 230) circuits with either 110/60 or 230/50
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Old 25-06-2020, 16:03   #2
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Re: Dual (230/110v) voltage boat ?

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Originally Posted by ReneJK View Post
Has anyone made their Lagoon 450 a ‘dual voltage’ (115/230v) boat ?

I assume there must be folks that bought a 110v boat and took it to Europe or Australia/New Zealand where the mains are 230v ? And did not tear the whole boat apart to change Aircon etc to make it work on 230v / 50 Hz while the boat was originally built wired for 110/60hz

I have an idea how to do it but am wondering if someone else has already done to be able to plug it in either 230/50 or 110/60 , have everything work and what was involved ?

I am thinking to add 230v and 110v multiplusses so that where ever we are we just charge the lithium with either 230 or 110 and use from the litium via the multiplusses , as far as I can see this would provide all the (separate 110 and 230) circuits with either 110/60 or 230/50



The issue is not so much the voltage, that can be fixed with transformers, it is the frequency, 60Hz in US and 50Hz most other places that run 220 - 240V. Running a 110V 60Hz airconditioner for example through a 220v / 110V transformer will still be at 50Hz and so the motors will run 20% approx slower and possibly overheat/burnout. Some air conditioning units have dual frequency motors and will have 50/60Hz stamped on the side by the manufacturer.


Most battery chargers are dual voltage and not frequency reliant, your clothes washer, microwave etc are likely single voltage and single frequency.


Unfortunately this means understanding all the different electrical components that run off the AC system to do a proper job.



A "fix all" solution may be to install a frequency converter, this will not only adjust the voltage but also the frequency, these are quite often used on super yachts, they come at super price and quite heavy. Approx $10k for 6 - 8KVA and weigh about 120lbs. For example https://angconverters.com/
https://angconverters.com/shore-powe...r-2/#iLightbox[9e3025fc8e72d5d08c3]/-1



I believe the factory installed internal wiring harness is suitable for both 110V and 240v.
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Old 01-07-2020, 07:54   #3
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Re: Dual (230/110v) voltage boat ?

Rene I just purchased a Lagoon 420. During my review I found an inverter and cable that would allow you to plug in a to European power. Send me a note if you are interested and I will send pictures. I have no use for it so make me an offer.
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Old 01-07-2020, 08:26   #4
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Re: Dual (230/110v) voltage boat ?

Discussed millions of times on here. A look through the archives will be enlightening.


There are a number of different ways to deal with this, depending the exact equipment you have on board. If you are willing to get rid of or not use or put on a separate inverterted circuit any equipment which is really sensitive to the frequency, then you can simply transform the voltage at the source, using for example a Victron isolation transformer, and Bob's your uncle.


OR, if you want the whole boat to have pure, perfect 110v/60hz power, you can produce that with an inverter or gang of them. Feed the batteries with a separate dual voltage battery charger. And once again Robert is your uncle.


I have a boat with a whole lot of AC electrical equipment on board, and the second thing is what I would do. I have a Victron inverter/charger, through which my normal 230v/50hz shore power, as well as generator power, runs. If I were venturing to 110v/60hz land, I would simply add a Victron Orion battery charger with its own shore power inlet for 110/60. And that would suit me fine. For any periods where I need more power than the inverter will produce, I would just run my 6.5kW generator.


That's kind of a thumbnail; in the archives you will find much more detailed and technical discussion.
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Old 03-07-2020, 11:02   #5
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Re: Dual (230/110v) voltage boat ?

I am almost done with this journey. You can peek here if you like: https://www.cruisersforum.com/forums...es-235610.html
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