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Bill Porter Power Injection Application

Started by akakfreeman, October 26, 2020, 05:09:14 PM

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akakfreeman

I watched a YouTube video by Bill Port on Power Injection (). Now I'm applying his concepts to my layout and want confirmation that I'm doing it correctly.

Instead of running 3 separate lines from a power supply to 3 different power point injection points, it looks like Bill recommends a single line wired in what I think of as parallel, which reduces the amount of wiring. So, take a look at my proposed wiring in the attached PDF.

Also, the first 100+ lights are powered by the controller, then I'm adding power from a 2nd power supply. So I need to terminate the + positive line at some point 100+ lights in from the controller. So, can I just cut the + line in my string and waterproof it? I've also thought about taking out the + pin from one of the connectors. Will either solution separate the + positive lines from multiple power supplies? Recommendations?

k6ccc

If it's strings, just cut the positive wire.  If you are using connectors (I don't), yes, you could remove a positive pin.

The parallel approach will work fine, but does require larger wire.  It also could potentially cause problems if there is a short circuit somewhere in the string.  Because you are feeding a larger number of pixels, you may need (for example) to fuse the feed from the second supply with a 20 amp fuse instead of a 5 amp fuse.  That means if there is a short in a pixel string, pixel wiring will burn up before the fuse blows.
Using LOR (mostly SuperStar) for all sequencing - using FPP only to drive P5 and P10 panels.
My show website:  http://newburghlights.org

Jim

Poporacer

Your thought process is correct and if you want, Ray Wu makes a T connector that has the V+ wire terminated inside https://www.aliexpress.com/item/4001299617348.html?spm=2114.12010612.8148356.26.1b733c0a73hqc9
If to err is human, I am more human than most people.

akakfreeman

Quote from: k6ccc on October 26, 2020, 06:24:48 PMThe parallel approach will work fine, but does require larger wire. 
Is 18 gauge thick enough or should I go with 16 or 14?

Poporacer

Quote from: akakfreeman on October 26, 2020, 07:38:22 PMIs 18 gauge thick enough or should I go with 16 or 14?
The size of the wire is going to depend on how much current you are going to push through the wire
If to err is human, I am more human than most people.

k6ccc

Quote from: Poporacer on October 27, 2020, 08:30:38 AM
Quote from: akakfreeman on October 26, 2020, 07:38:22 PMIs 18 gauge thick enough or should I go with 16 or 14?
The size of the wire is going to depend on how much current you are going to push through the wire
And the length of wire from the power source.
Using LOR (mostly SuperStar) for all sequencing - using FPP only to drive P5 and P10 panels.
My show website:  http://newburghlights.org

Jim

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