Question about ABB S272-k16 2-pole Miniature Circuit Breaker

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Invertor connections to protect from utilty power backfeed

Hi , i would like to install a 2000 watt DC to AC inverter in my travel trailer. i would like to know with the inverter connected to the ac system of my trailer, how i can protect the inverter from a back feed when i connect shoreline power to the trailer from utility power source and the inverter is still turned on. Can it be done by the use of a cicuit breaker in line between the inverter and utility power source and if so which way should it be conncted. thanks.

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  • esmiller Jun 19, 2009

    Thanks but this inverter dosn't have a protect systemthat i know of or reset switch

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Inverters normaly have inbuilt protection built into them check for reset button/switch.

Posted on Jun 19, 2009

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I'm dumb. Can I hook an inverater to my generator and produce more enegry than my generator produces???


Please understand that the generator produces power from fuel with an engine wheras the invertor is one which genrerates power from a stored battery using the principle of frequency switching a DC source to induct and produce AC.
Now you can have an uninterupted power supply setting with the invertor backed up by the generator so that when the battery voltage goes down you can start and charge the invertor and also supply the extra energy .
the ratings of both must also be considered.

Sep 25, 2010 | Electronics - Others

1 Answer

How to connect the inverterto acmains?


Hi,
Battery to invertor should be quiet clear. Attach the positive then the negative lead.

There needs to be a special socket in the wall. Buy a normal three pin socket. Go to the mains. Take the line coming in and connect it to the L ('Live') marked pin. It is left one. Now take the other pin and trace it back to where electricity was originally going. What you have done is basically placed a socket in the line. See diag below:
1f4b4dd.png

Now take a plug. see diag and connect so that it has live going into the invertor and invertor supply coming out.
18e08e7.png

So basically you have looped the supply thru the invertor.
Be sure to read the manual. Certain invertors may have other wiring.

Electricians are cheap. Get one. It will be worth it, in case you are unsure.

Cheers
TeaCii
LiveOnline

Apr 22, 2010 | Inverter 500 - 1000 Watt DC to AC - Safe...

1 Answer

Can this equipment be used bidirectionslly? i.e.


you can use an invertor to power a battery charger to charge the boat battery but you could not use the invertor to charge the battery it was running from as the invertor will use power faster then the battery could be charged

Apr 05, 2010 | Vector MAXX 400 Watt Power Inverter -...

1 Answer

Yesterday I bought an STP-120 SIMA power inverter


you inverter was not fully charged because it requires a 110/220 v ac as specified in the manual; to charge it so it is impossible for the aircraft 15vdc to charge it

Jan 27, 2010 | APC DC to AC power inverter ( external ) -...

1 Answer

Burnt out


internal failure possibly on power side, lower than 300A fault current so unit could not trip i/p protection and as fault was post ac section, continued to burn internally.
it just broke
no breakers tripped out so it kept drawing current until the fault burnt away.


maybe this is what happened, need to know a lot more info to change hypothisis


Jun 01, 2009 | Vector VEC056D 2500 Watt Power Inverter...

1 Answer

Can't get power to my RoadPro 1500 DC to AC Power Inverter


I have had this same problem with several power inverters over time. The problem is usually one of three things.

Those starting with the simplest.

1. Too much current being drawn on the inverter.
Solution (Check appliances that are plugged in and make sure they are not drawing more than 1200 watts. If they are unplug the appliance that is using the most current and get an inverter that is more suited to your power needs.)

2. Some power inverters have fuses built on to them. Sometimes multiple fuses. Sometimes, one fuse may burn out leaving one intact. When this happens even small items draw too much current and over load the inverter.
Solution (Replace the fuses)

3. Improper installation. Inverters draw a lot of current. You must use the propper wire size for the inverter. I would recomend at least an eight guage wire directly fused and hooked directly to the battery. Of course like with all things the bigger the wire the better the flow of electricity.

If it is not one of those things stop into a truck stop electronics shop and have the person diagnose it.

Hope that helps.

Jan 20, 2009 | RoadPro AC/DC Power Inverter 2000/5000w

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