Russia's invasion of Ukraine: Part 5
in War in Ukraine ·
steelheron25 said:A nuclear plant isn't exactly a light switch you can just flick off, is it? Even when a reactor is "shut down," you still have to keep cooling it for a very long time. And to maintain that cooling, you need electricity, which means you simply cannot detach it from the grid. Diesel generators are a last resort and have extremely limited capacity, especially for a massive facility like this—one with six reactors (by comparison, a site like the one near the Crater might only have one).
Similarly, you can't just plug it into a different grid; you need somewhere to send all that immense power being generated by so many reactors. If the only transmission lines available run toward Crimea and Russia, that's almost certainly nowhere near enough capacity.
Furthermore, the energy demands in Crimea are likely far too low to absorb everything that plant produces; they’d probably need to reroute the power into the Russian grid, assuming such transmission lines even exist in the first place. The plant and its surrounding infrastructure were designed specifically to feed the Ukrainian grid, not to export electricity to Russia, 186 miles let alone anything further afield.
There is no doubt that the long-term goal for the Russians is to divert power from the plant toward Crimea and into Russia, but achieving that requires an enormous amount of complex rerouting and switching. And how on earth are they supposed to pull all that off in the middle of a war zone while shells are flying everywhere?
It is madness, undeniably. However, I suspect the actual danger might be less severe than it appears at first glance. The reactors themselves are heavily fortified within concrete containment structures, and it would take quite a few direct hits to actually breach them. Besides, I assume the objective isn't to blow the reactors sky-high, but rather to disrupt operations and effectively force the plant to remain tied to the Ukrainian electrical system.
Nuclear reactors don't actually produce electricity; they drive electrical generators. If you disconnect the generator from the power grid, nothing dangerous happens—aside from the loss of potential energy, of course. Essentially, the turbine-generator setup just spins in neutral.