120 VAC to 12 VDC Converter Dirty Power?

Reply Wed 15 Jun, 2016 04:28 am
In my camper, I have a 120 VAC to 12 VDC converter. I installed some LED strip lighting that came with an plug-in power supply (like a laptop computer). Power supply output is 12VDC. I cut the power supply cord and wired the 12 VDC side into a 12 VDC circuit that powers another small, incandescent light.

LEDs work fine off of their own power supply. Also work fine when powered directly off the 12VDC marine battery. Lights will not work when I plug the camper into 120VAC power. They blink once and will not turn on.Other 12VDC incandescent lights work just fine. I suspect "dirty" DC power. Any ideas how I fix that? I verified proper polarity and voltage.

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Reply Thu 16 Jun, 2016 06:49 am
Without a diagram it's hard to understand the circuits. I have twin 12vc marine batteries that are charged by a solar array at my cabin. A good rule of thumb is use the simplest form of converter you can find. They power lights, a fan and I can charge any computer or voice application I use and run a TV and electric antenna. But that is all they can do.
Running a line conditioner like a TS Power requires more voltage than the entire array can produce. So you can see the problem with dirty power.
Not sure that helps but line conditioners are mostly for electric applications that can't be filtered through DC chargers.
You might also want to consider a solar array for your camper-there are some good ones that are very inexpensive-dirt cheap with the tax breaks.
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