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Nov 2, 2015 at 21:24 comment added jCisco There are no modern plants in operation, unless you can point me to a modern design that has been completed or even started.
Nov 2, 2015 at 20:20 comment added user To add to @cpast's comment, we now have worldbuilding.stackexchange.com/a/28916/29 right here. :)
Nov 2, 2015 at 15:02 comment added DevSolar "Modern nuclear plants are designed..." -- sorry but this is misleading. Your link points to things like gravity-dropped control rods and negative void coefficients, i.e. the reactor shutting down automatically and safely. Fukushima actually did shut down properly (Chernobyl didn't). Fukushima still blew simply because they couldn't restore power to the water pumps despite trying. Even a "passively safe" / "modern" reactor will face the same fate, not due to criticality excursion, but due to decay heat. (The rest of your answer is quite good though.)
Nov 2, 2015 at 13:08 comment added Luaan If it were actually possible to run the plant at an output required by 500 people in a post-apocalyptic world, the fuel would not be an issue - it's not like trying to feed a coal plant. Alas, the plant's output would have to be much bigger - using up more fuel, and requiring a way to dump all that extra power. That's far from trivial. As is maintaining the power grid at all - it's a bit more complex than just running two/three wires from the plant to your home. Joe would run into trouble long before doing anything "nuclear" - most people have no idea how power transmission works.
Nov 1, 2015 at 20:43 comment added cpast I have spoken with nuclear technicians; startup is pretty much the most complex thing they do (shutdown, on the other hand, can be done with a single button).
Nov 1, 2015 at 18:39 history edited Philipp CC BY-SA 3.0
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Nov 1, 2015 at 15:54 history answered Philipp CC BY-SA 3.0