I have a 27 ft sailboat with new by me 48 volt electric
drive powered by 4 firefly G31 batts.
I have 2 Sterling 48V 15 amp chargers (900 Watts initial power up requirement) to charge the Fireflys.
I was thinking I could use one 48 V charger
powered by the inverter
2000 Watt generator
and when I am home or at the elusive dock
with power I could blast them with both chargers if required
Additionally, I have a 12V 30 amp Sterling charger
for the house set of two more Fireflys.
All 3 chargers are hard wired each to their own breaker on the new Blue Seas AC/DC panel, I cannot plug
the chargers in directly to the Generator
Anyway this represents lots of Skipperlee bucks on the line. A bit over 8,500.00 CDN for batts panel and 3 chargers!
The 4th and only other 120V breaker is for the 4 X 110V outlets.
I need to be able to use at least one of the 48V chargers at a time without using the 110V outlets during charging
For initial/temporary testing I currently have the shore power
connected to my house power ( I mean my dwelling not my house batts as boat
is in driveway) and all 3 chargers work
and have been properly configured for the Fireflys profile.( I cut and spliced a shore power
cable to a 14ga ext cord)
I have almost completed all the projects and am close to finally floating this boat
and testing on the water
My newest problem is lakes here in Alberta Canada
freeze over and don't have shore power. That I didn't know! Crap.
Sooo, I bought a new but not Honda
or Yamaha 2000 watt inverter
generator that does not have a shore power plug
receptacle (DUH) like my other generator that's to big for this application does. It just has the 2 X 110V standard outlets. I need to make something work
and perusing CF streams mentions it might or will likely show a Rev polarity fault at the AC panel.(something about a floating ground I think is what I read).
Also someone posted a link for a gadget that plugs into the second 110V outlet on the generator to correct that.
True or not true? If so can I make up a more permanent adaptor cable and get the Gadget to plug into the generator to correct the floating ground issue. if anyone can share the gadget link I would appreciate it. It looked like a black plug that had a blob on the end of it and cant find the link anymore.
Skipperlee isn't loaded with cash to replace all the components in this system so is this doable or just dumb? I am rightly scared and if I blow it all up in the driveway now I would truly hope to go straight to hell with it all.
If this can't work what can? Well short of moving to somewhere where docks have power that is. Next year I will be leaving the boat in the Okanagan Valley BC Canada
where I will have shore power, But for now just trials here and I don't want to drop the mast
and go home just to charge the 48V batts back up
Last but hopefully not the only option is, is there a Generator with shore power plug that wont give rev polarity light at the panel and be safe. I hate to part with more money
but at least I don't golf.
Lastly It took over a year just to get this far cuz I suck at electrical
so hopefully and if at all possible please keep responses simple without all the pie symbols, charts
and over the top terminology that will surely make you look very smart but wont help me without me finishing high school
I need to know,
Can it work?
Do I need a different generator? if so what one will work safely.
Can I buy a proper shore power to 110V female adaptor cord somewhere?
Is it OK to make my own?
Can I use the gadget that plugs into the second 110V outlet?
Is something else better, safer or smarter.