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  • Device to control current going into individual electronics

    Greetings from infernally hot, yet conveniently sunny, Puerto Rico!

    Is there a single device I can connect to the wires coming from panels and specify, like dial in, set, the current I can supply to other devices?
    For example, panel --> "device" --> phone charging, 12v mini water pump, and other small devices.

    My goal is to not have to use battery storage yet not wire panels directly to electronic devices, keeping the current within a manageable range, nothing big in terms of output.
    I understand I am limited by sun hours, that's fine for my needs.

    So far from the little I know about this tech I suspect a charge controller might be used as that "device". Or is such a thing done using several components?

  • RenewablesRock
    replied
    Originally posted by SunEagle View Post

    Sometimes buying quality equipment even for your shed makes sense. You never know when you will need it.
    Like this guy?
    https://youtu.be/xnSew-tCuPo?t=110

    Leave a comment:


  • Sunking
    replied
    Originally posted by RenewablesRock View Post
    Read that guy's earlier posts. He wants to run a laptop and small stuff. I don't think he plans to run a 3 ton A/C unit, a fridge, water heater and electric stove on it.

    A lot of people have cars that have engines that can put out 1,000+ HP. Just because it can, doesn't mean you're going to be driving around town in 1st and 2nd gear at 6,000 RPM all day.

    You only have to worry about 250 amps if you're dumb enough to think you can sit there and power your entire house on it on a couple 12V batteries. There's no reason to jump to conclusions all the time. The inverter may "want" 250 amps at one time, but it just won't get it and the unit will simply fault out.[/QUOTE]

    That is responsible and quite dangerous which can get you banned real quick around here. Don't bother arguing or debating what you are suggesting does not meet minimum code requirements and just flat out dangerous to the public. It is a defenseless argument you cannot win. 12 volt mobile Inverters like any mobile portable Inverter is a piss poor choice and advice to use in a home with home wiring. You are asking for toys to work as full time tools which they are not made to do or work with house wiring systems. If you do not understand why, then you have absolutely no business offering any advice or answering any questions.

    Leave a comment:


  • SunEagle
    replied
    Originally posted by RenewablesRock View Post

    Xantrex and Go Power ROCK!!! That is for like non-hobby stuff... the serious people doing long-term, permanent installations. Not your typical solar powered shed installations.
    Sometimes buying quality equipment even for your shed makes sense. You never know when you will need it.

    Leave a comment:


  • SunEagle
    replied
    Originally posted by RenewablesRock View Post
    Read that guy's earlier posts. He wants to run a laptop and small stuff. I don't think he plans to run a 3 ton A/C unit, a fridge, water heater and electric stove on it.

    A lot of people have cars that have engines that can put out 1,000+ HP. Just because it can, doesn't mean you're going to be driving around town in 1st and 2nd gear at 6,000 RPM all day.

    You only have to worry about 250 amps if you're dumb enough to think you can sit there and power your entire house on it on a couple 12V batteries. There's no reason to jump to conclusions all the time. The inverter may "want" 250 amps at one time, but it just won't get it and the unit will simply fault out.[/QUOTE]

    Sorry. Based on my 40 years of electrical design engineering I follow the code which says if it can be produced then you have to protect for it. So if it can draw 250amps then the wire and fuse MUST be sized correctly.

    Leave a comment:


  • Mike90250
    replied
    Originally posted by RenewablesRock View Post
    ............A lot of people have cars that have engines that can put out 1,000+ HP. Just because it can, doesn't mean you're going to be driving around town in 1st and 2nd gear at 6,000 RPM all day.
    You only have to worry about 250 amps if you're dumb enough to think you can sit there and power your entire house on it on a couple 12V batteries. There's no reason to jump to conclusions all the time. The inverter may "want" 250 amps at one time, but it just won't get it and the unit will simply fault out.
    In a car, you get feedback, your temp gauge rises, your oil light comes on, engine makes a funny sound

    With an inverter, suddenly the lights go off, to be replaced by they glow of the burning inverter, if it shares the same room.

    Leave a comment:


  • J.P.M.
    replied
    Originally posted by RenewablesRock View Post

    Because the power company has ruined a lot of my equipment over the years with never ending blackouts and brownouts. I won't have that problem with an inverter.
    Until the inverter fails.

    Guess I'm just lucky in that I'm pretty sure I've never had equipment damaged by a POCO's product.

    Leave a comment:


  • RenewablesRock
    replied
    Originally posted by SunEagle View Post



    I own a Xantrex 600W PSW inverter and have never had an issue with it. I believe Samlex and Go Power are also good products although not cheap.
    Xantrex and Go Power ROCK!!! That is for like non-hobby stuff... the serious people doing long-term, permanent installations. Not your typical solar powered shed installations.

    Leave a comment:


  • RenewablesRock
    replied
    Originally posted by SunEagle View Post



    I own a Xantrex 600W PSW inverter and have never had an issue with it. I believe Samlex and Go Power are also good products although not cheap.

    One thing that scared me on the youtube video is that with a 3000Watt inverter connected to a 12volt battery can draw close to 250 amps so the wiring between the inverter and battery needs to be real big and have the proper fusing.

    Oh and while I may get power dips and spikes from my POCO it is much cleaner then you think because I have tested it with a Fluke 435 power meter and there are no harmonics or voltage transients unless we get lightning somewhere close.
    [/QUOTE]

    Read that guy's earlier posts. He wants to run a laptop and small stuff. I don't think he plans to run a 3 ton A/C unit, a fridge, water heater and electric stove on it.

    A lot of people have cars that have engines that can put out 1,000+ HP. Just because it can, doesn't mean you're going to be driving around town in 1st and 2nd gear at 6,000 RPM all day.

    You only have to worry about 250 amps if you're dumb enough to think you can sit there and power your entire house on it on a couple 12V batteries. There's no reason to jump to conclusions all the time. The inverter may "want" 250 amps at one time, but it just won't get it and the unit will simply fault out.

    Leave a comment:


  • RenewablesRock
    replied
    Originally posted by J.P.M. View Post

    What makes you think such a thing, particularly acquiring such stuff in a used condition from an unknown source ? What do you mean by cleaner ?
    Because the power company has ruined a lot of my equipment over the years with never ending blackouts and brownouts. I won't have that problem with an inverter.

    Leave a comment:


  • Sunking
    replied
    Originally posted by Soleadus View Post
    Also, I'm checking out Alibaba. They have a nice variety, and prices. Quality, I don't know.
    There is no Quality products on Alibaba. Alibaba is Chi-Com Flea Bay.Yep real cheap and a lot of it just like there are a lot of Chi-Coms around 1.4 billion people or 1/5th the world population.
    Last edited by Sunking; 08-11-2018, 01:56 PM.

    Leave a comment:


  • Soleadus
    replied
    Originally posted by Mike90250 View Post
    Batteries, look into getting golf cart batteries locally. Two 6V batteries in series will give you 12V @ 200ah Nearly everywhere has a golf course with carts
    I called Batteries Plus Bulbs and they have the same prices that show on their website. About $240 for a 12v 100Ah, sealed. 6v 230Ah for $140 but that isn't sealed.
    I still have to check the possibility of shipping to the US and bringing it here separately, have someone over there ship it here.

    Also, I'm checking out Alibaba. They have a nice variety, and prices. Quality, I don't know.
    There might be some custom fees involved if using this method. I don't know for now.
    Anyone know about Alibaba and batteries for solar?

    Leave a comment:


  • Sunking
    replied
    Originally posted by SunEagle View Post
    One thing that scared me on the youtube video is that with a 3000Watt inverter connected to a 12volt battery .
    That tells you instantly the Operator is a idiot with no knowledge of what he is doing. He is as clueless as the folks watching his dumb ass, and both deserve what is going to happen to them. Two less idiots in the world to deal with.

    Leave a comment:


  • J.P.M.
    replied
    Originally posted by SunEagle View Post

    I own a Xantrex 600W PSW inverter and have never had an issue with it. I believe Samlex and Go Power are also good products although not cheap.

    One thing that scared me on the youtube video is that with a 3000Watt inverter connected to a 12volt battery can draw close to 250 amps so the wiring between the inverter and battery needs to be real big and have the proper fusing.
    U-tube: The new idiot's bible. Often dangerous, unvetted B.S.

    Leave a comment:


  • SunEagle
    replied
    Originally posted by RenewablesRock View Post

    That's why I said it's tough. I think mine are modified. I only power a lamp and a fan on mine for testing. I've run a big screen TV and computer for short intervals just to see if it was possible. But long term seems scary on the electronics.

    Soleadus, look on Craigslist and Facebook Marketplace and maybe you can find a good, used pure sine wave inverter locally. It may cost a little more, but then you will probably have cleaner power coming out of that than the utility company.


    I own a Xantrex 600W PSW inverter and have never had an issue with it. I believe Samlex and Go Power are also good products although not cheap.

    One thing that scared me on the youtube video is that with a 3000Watt inverter connected to a 12volt battery can draw close to 250 amps so the wiring between the inverter and battery needs to be real big and have the proper fusing.

    Oh and while I may get power dips and spikes from my POCO it is much cleaner then you think because I have tested it with a Fluke 435 power meter and there are no harmonics or voltage transients unless we get lightning somewhere close.[/QUOTE]
    Last edited by SunEagle; 08-11-2018, 11:05 AM.

    Leave a comment:

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