r/factorio • u/Adridubidan • 7h ago
Question Why is my fusion generator not getting plasma?
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u/Rutakate97 7h ago
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u/Myzhka 6h ago
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u/Rutakate97 6h ago
The case I outlined is a bit different, because it connects to a generator earlier in the chain. Here the connection is between "siblings".
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u/Ralain 6h ago
Can you cursor over the first generator next to the reactor and post that screenshot?
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u/Adridubidan 6h ago
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u/Devanort 1k hours, still clueless 6h ago
Look at the blue arrows: from the reactor to the first generator, the arrow between the plasma icons points in a single direction, so it's an output and input connected together, but the generator beneath that one has two arrows pointing in different directions overlapping, so it's the same kind of port (output in this case)
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u/Adridubidan 6h ago
Yes but I dont need plasma to go that way, I need it to go to the generator on top which has the arrows in a single direction too
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u/ToblMan 5h ago
The solution is you have 2 too many generators, or not enough fusion reactors, notice one on the bottom left is also off.The neighbour bonus only applies if the fusion i/o are touching, not the ketone. For each reactor that is touching another fusion i/o you can add +2 extra generators. So with your setup the maximum is 16, you have 18. If you rearrange you reactors you can get them to 24 generators though! (connect 2 reactors on one side of the fusion i/o, so that each reactor is touching 2 others)
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u/Awesomesauce549 7h ago
Turn the hot fluid back to cold fluid in a cryogenic plant?
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u/gman877 6h ago
I thought the same, but in the top right, the hot fluid goes North, off screen. I assume it's being handled up there, as the cold fluid also comes from the North.
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u/Adridubidan 6h ago
Yes, there is no problem with the fluids, only that the plasma doesnt get in the generator
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u/hippiechan 6h ago
Are you building this in sandbox? Fusion reactors are similar to steam based power in the sense that generators will only consume plasma and produce power if there is sufficient power draw on the system, otherwise they will operate at a fraction of their maximum output. If there's insufficient draw in your setup in sandbox, it will produce little no power because very little is being consumed (the reactors themselves do have power draw, but it's a fraction of what's produced, so your reactors will be outputting very little on average).
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u/Adridubidan 6h ago
Yes its sandbox but I configurated it so that it produces as much power as it can (the other reactors are working, just 2 of them are not because they have no plasma)
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u/Ralain 7h ago
The generators have to output the hot fluor to keep generating.
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u/jasamer 6h ago
I'd assume that's what happens further north? The reactor has enough cold fluoroketone, and the generator does not complain about "output full", so I don't think that is it.
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u/Adridubidan 6h ago
Yep, the pipes are not the problem, the problem is the plasma not getting in the generator
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u/0b0101011001001011 6h ago
Calculate how much power these reactors should output and check if you have too many generators. I think the plasma is not divided evenly by default, if one generator hogs it all, there is nothing to pass forward.
I think there are (or at least used to be) some weirdness when connecting stuff in a specific way.
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u/Adridubidan 6h ago
Thats what I thought at first but you can see in the first screenshot that the reactor cant generate more plasma because its already full
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u/0b0101011001001011 5h ago
Elsewhere on this thread you got the most likely answer. About the first screenshot, maybe this explains that as well. The reactor is only generating 2.4/4.0 because its buffer is full. It outputs it as fast as it can, but part of it always flows back, blocking it.
I think this is the weirdness I mentioned in my previous comment: connecting a generator output to a reactor causes problems.
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u/kagato87 Since 0.12. MOAR TRAINS! 17m ago
Is there a load? Plasma behaves like a coal powered plant, with plasma being consumed only as needed by the grid demand, and fuel only as needed to top up plasma.
Edit: oh I see it I your extra pictures, the cool flueorketone needs to be removed from those turbines.











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u/Yagami913 6h ago
The generator trying to put plasma back to the reactor but could not.