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Open Roads Forum  >  Tech Issues

 > Small Class B and generator.

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thriftydutch

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Posted: 03/08/18 05:17pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 17ft class B with no generator. I am looking at a Champion 1500-1200 generator for charging the 2 house batteries. The only things running on house batteries are the lights and a 12v-120 volt fridge. Is this generator enough to keep my batteries charged.


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Lwiddis

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Posted: 03/08/18 05:26pm Link  |  Quote  |  Print  |  Notify Moderator

It’s enough. Why a generator? Think outside the box....solar. Your reported usage screams solar.


2015 Winnebago 2101DS TT & Tahoe LTZ, 300 watts WindyNation solar-parallel & MPPT, Trojan T-125s. TALL flagpole for US flag. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - old MOS 1542 & 1560.

MrWizard

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Posted: 03/08/18 05:48pm Link  |  Quote  |  Print  |  Notify Moderator

generator power is determined by MAX total load
what converter charger / battery charger ? do you want to power ?


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thriftydutch

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Posted: 03/08/18 06:14pm Link  |  Quote  |  Print  |  Notify Moderator

It is a Progressive Dynamics 45 Amp converter charger.

Isaac-1

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Posted: 03/08/18 07:18pm Link  |  Quote  |  Print  |  Notify Moderator

It should work, I have the next size up Progressive Dynamics converter, and my Honda EU-1000 is just a little too small to power it at max charge level.

BFL13

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Posted: 03/08/18 07:28pm Link  |  Quote  |  Print  |  Notify Moderator

PD 45 amper is rated at 725w with a 0.7 power factor, so that is 1036VA.

A Honda "1000w" gen is rated at 900VA, so on paper, it won't run the 45 amp converter. So what is the "continuous" VA rating of the OP generator?


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Isaac-1

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Posted: 03/08/18 09:13pm Link  |  Quote  |  Print  |  Notify Moderator

BFL13, I am not so sure of that, power factor should effect generator winding temperatures in conventional generators, not engine power required for power generation. I am not sure if this would holds true for inverter generator loads or not, or if power factor change would directly effect output ability of an inverter, though Honda does publish their output rating at PF 1.0.

BFL13

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Posted: 03/08/18 09:30pm Link  |  Quote  |  Print  |  Notify Moderator

Isaac-1 wrote:

BFL13, I am not so sure of that, power factor should effect generator winding temperatures in conventional generators, not engine power required for power generation. I am not sure if this would holds true for inverter generator loads or not, or if power factor change would directly effect output ability of an inverter, though Honda does publish their output rating at PF 1.0.


The generator is the supplier of VA. The load has the PF.

landyacht318

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Posted: 03/08/18 11:04pm Link  |  Quote  |  Print  |  Notify Moderator

If all I needed to power was a 12v fridge and lights I would not require a Generator. 200 watts of solar is more than enough, at least in my location.

A generator might allow rapid battery charging to 80%, but 80% to 100% is going to take 3+ hours, and likely longer, and reaching 100% regularly is the secret to battery longevity.

thriftydutch

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Posted: 03/13/18 08:56am Link  |  Quote  |  Print  |  Notify Moderator

BFL13 wrote:

PD 45 amper is rated at 725w with a 0.7 power factor, so that is 1036VA.

A Honda "1000w" gen is rated at 900VA, so on paper, it won't run the 45 amp converter. So what is the "continuous" VA rating of the OP generator?


I contacted Champion this morning and asked what the VA rating is on this generator but they did not know what I was talking about. All I want to know and do is charge my 2 12 volt deep cycle batteries while camping.

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