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BARGES: All about barges and barging - building, buying, maintaining, equipment, handling on the water, etc.
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TOPIC: Portable generator connection to boat

Portable generator connection to boat 11 Nov 2019 16:00 #111344

  • Christopher Wyles
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Hi, I'm new to the DBA, though not new to inland boating having narrowboated for 30 years before recently buying a barge.

I'm not familiar with the Victron charger the OP has, but on my Vetus Combi-Gamma 140A charger/3000W inverter, it has a user-changeable variable called "Ignore Waveform". I've switched this variable to ON (ie: ignore the waveform) as, prior to this, the charger/inverter would occasionally crap out when a heavy load was first applied.

I'm just wondering whether the Victron has a similar variable?

Chris

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Portable generator connection to boat 23 Oct 2019 03:21 #110821

Hi Craig
Combi with a 50 amp charger?
Is plugging in to mains an option?
Perhaps on kW hr basis rather than daily?
Until you have what you want....
Cheers
Chris

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Portable generator connection to boat 21 Oct 2019 03:16 #110695

  • Craig Campbell
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Thanks for the replies.

It has become obvious that the generator I bought was insufficient fir the job. I’m working on other solutions.

Craig

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Portable generator connection to boat 18 Oct 2019 12:12 #110584

I use a 1000w Yamaha to drive 2 15amp battery chargers to give 30 amps at 12v. It's an inverter generator and will run for 11 hours on a tank. So that's 300 amp/hrs in a day, we leave it and go shopping. Weigh 17kg with a full tank.
Next time I will go for 2kw or 2.2kw to run bigger tools
I chose Yamaha over a Honda was the Yamaha can have restricted access on two sides where as the Honda needs three sides.
As for the Honda , reliability is excellent. I destroyed my first one by running on 10% ethanol fuel. The seals in the carburettor turned to mush. A new carburettor costs 80% of a new generator.

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Portable generator connection to boat 18 Oct 2019 08:20 #110581

I’ve had a Honda Eu20i for a few years now and it has been incredibly reliable. Starts pretty much first time every time, even after winter hibernation.

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Portable generator connection to boat 17 Oct 2019 23:00 #110580

Cheap portable generators produce a square wave output which is not kind to electronics. What you need is an inverter generator, such as the Honda eu20i . Kipor makes some quite good inverter generators for less money, and no doubt there are others.

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Portable generator connection to boat 08 Oct 2019 09:51 #110137

I agree with Chris, the generator is inadequate for the Victron and or the frequency is too dirty for the Victron.
You can use one or two battery chargers to charge the battery's from the generator however that is extra cost for a short term gain.

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Portable generator connection to boat 08 Oct 2019 08:54 #110133

I agree with all Chris says but warn that "with zero rated VAT" only applies if the boat qualifies, as in the DBA Knowledgebase article UK VAT on Barges .

Pete

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Pete Milne, Quo Vadis , Gent.

Portable generator connection to boat 08 Oct 2019 08:23 #110131

Craig

The reason is most likely that the portable generator does not have a clean enough sine wave output and / or the frequency is too inaccurate for the Victron to recognise it as a clean mains supply. There is a setting on the Victron to accept wider mains frequency but that may not work either as small generators tend to drop frequency as soon as a load is applied.

If you have a separate battery charger, you could try using the generator to supply that of course.

CPS and Battery Megastore (see DBA suppliers directory) both deliver to France, Belgium and NL from UK where you can order at good prices with zero rated VAT. We have twice changed batteries over the years on a quay in Dordrecht and in Ghent and by subscribing local help to lift out the old and replace with the new.

Craig Campbell wrote: My battery banks are not hold a charge very well at present and will need to be replaced, but I am not in a place where I can get what I want right now. I thought I could use a portable generator to charge up the batteries by plugging it into the shore power port and running it through the victron combi 12/1500/50. When I have done this the victron doesn't switch to power on mains or charge the batteries. The portable generator is a 1200 watt.

Any thoughts?

Craig

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Portable generator connection to boat 08 Oct 2019 07:04 #110130

  • Craig Campbell
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My battery banks are not hold a charge very well at present and will need to be replaced, but I am not in a place where I can get what I want right now. I thought I could use a portable generator to charge up the batteries by plugging it into the shore power port and running it through the victron combi 12/1500/50. When I have done this the victron doesn't switch to power on mains or charge the batteries. The portable generator is a 1200 watt.

Any thoughts?

Craig

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