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Go Back   SailNet Community > On Board > Gear & Maintenance > Honda Generator not triggering charger
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Thread: Honda Generator not triggering charger Reply to Thread
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Topic Review (Newest First)
03-16-2012 03:19 PM
ebs001
Re: Honda Generator not triggering charger

Quote:
Originally Posted by mitiempo View Post
Actually I am correct. 26 amps AC at max charge and the DC output is 130 amps on a Freedom 25.

Even a small charger like a Truecharge2 40 amp version uses up to 9 amps AC and the Freedom 10, the smallest in the Freedom series uses 12 amps AC at max charge.

Specs below.
Actually you are correct, my apologies
03-15-2012 10:41 PM
boltnbrew
Re: Honda Generator not triggering charger

Don,


I had a marine electrician at the boat and it was all good. I originally had the same concern as you note. The reason the charger wouldn't work was because iit wants to see 115 between hot and neutral. The Honda design doesn't do it at way - unless you force it by jumping neutral and ground. All plug polarity is now testing correct at both the dock and aboard the boat, and my GFCIs work as they should.

Mitch- You could "jump" at the cord/ plugs, but that would be a little hokey and likely not safe. I fabricated a proper pigtail and connected the wires inside the generator.

Here is a good source for info on the Honda generators:

http://autos.groups.yahoo.com/group/...00_Generators/

Thanks for all the great comments and ideas!
03-15-2012 03:14 PM
mitchbrown
Re: Honda Generator not triggering charger

Don R

Thats all okay but doesn't explain why he is getting 62.5 volts on the both the neutral and hot.

Mitch
03-15-2012 02:58 PM
donradclife
Re: Honda Generator not triggering charger

There is a logical explanation of the OP's experience with his Honda gen and the floating ground--his boat is probably dangerously mis-wired.

The 30 amp shore power cord has three conductors--Load, Neutral, and Earth. The Honda is wired to put out 110v between the Load and Neutral, and the Earth is not connected. The outlet on the dock also has 110v between the Load and Neutral prongs, but the Earth is connected to the Neutral at some point in the Marina.

If the OP's boat saw power at the panel and inverter from the dock power, but didn't see it from the Honda until he jumpered the Earth to the Neutral, that means his dock power cord or boat wiring has crossed the Neutral and the Earth. This is VERY unsafe, particularly in fresh water. If he doesn't understand this, he should get an electrician to check out his boat as soon as possible.

BTW, if the Freedom load is too much for the Honda when the batteries are depleted, you can set the maximum current the Freedom charger will draw through its remote--read the manual.
03-15-2012 02:34 PM
gershel
Re: Honda Generator not triggering charger

I've had my Honda 2000 about 2 years now. The only problem I had in the beginning was, as soon as the charging would start the Honda would cut out. Upon checking the battery charger I saw an adjustment that controlled the amount of amperage in could accept. It was set at the max, 106A. It seems that the charger was asking for more than the Honda could supply, so I lowered it to 85A and it's been working fine ever since. Sorry for the laymans explanation, hope this helps. I've read that combining the 2 wires makes for a safer setup, but I'm not sure how to do it.
Marc
03-15-2012 02:21 PM
mitchbrown
Re: Honda Generator not triggering charger

Hello sailor

The honda's are an inverter charger which seems to put them into a whole different way of opperation than a standard generator. Not exactly sure how they work but im guessing they generate a low voltage current and then an inverter changes it to a stable 110 volt 60 cycle power.

The 1000i and 2000i thats what the i stands for INVERTER

Mitch
03-15-2012 02:07 PM
hellosailor
Re: Honda Generator not triggering charger

I vote the boltnbrew explanation. Portable gensets have no real "earth" ground, and chargers and other devices that are intended to be fed BY real earthed AC mains power, are always going to find some way to beat you up over that.

There are of course pros and cons to joining your earth and neutral. If everything was happily working without doing that--except for the AC light not turning on--I'd just plug in a nightlight and label it "AC ON" and not mess with joining the neutral and ground.
03-15-2012 01:57 PM
mitchbrown
Re: Honda Generator not triggering charger

Boltnbrew

Thanks for the great detective work. Im havin the same problem with my
Honda 1000i. I was thinking it had something to do with the generators inverter not being Sine Wave but your info seem to jive with my testing.

I knew as i read the thread that the info you were getting was incorrect but didn't have the correct answer to chime in with.

Mitch

PS seems to me you could just make the connection in the cord from the generator to the boat. what do you think?
03-15-2012 01:12 PM
mitiempo
Re: Honda Generator not triggering charger

Actually I am correct. 26 amps AC at max charge and the DC output is 130 amps on a Freedom 25.

Even a small charger like a Truecharge2 40 amp version uses up to 9 amps AC and the Freedom 10, the smallest in the Freedom series uses 12 amps AC at max charge.

Specs below.
03-15-2012 01:08 PM
sailortjk1
Re: Honda Generator not triggering charger

Quote:
Originally Posted by boltnbrew View Post
Final chapter. After reading some RV forums, the issue appeared to be the Honda "floating ground" or some call it a "floating 110". Because the Honda is not truly "grounded", the ground is allowed to float between the ground and neutral wires- producing what appears to be 62.5V on both the hot and neutral when compared to the ground. This means my charger/inverter did not see 120 (115) V and acted like nothing was there. Solution: bond the ground and neutral wires inside the generator using a jumper. Just like what occurs in your household panels. Now all is well, the generator generates, the charger charges and no stray shock or other bad stuff.
I believe this is the same reason that I get a reverse polarity light when I use the Honda to power up the boats 110 Side.
I too am interested in how you Bond the ground and neutral inside the generator.
I was thinking of making a special power cord and twisting the two together to be used only as a power cord used in conjunction with the Honda generator.
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