In the latest design, there is a simplified economical ESBWR, which adopts a full natural circulation design and completely eliminates the built-in pump.
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The fourth unit was under maintenance when the accident occurred, and the fuel assembly was in the spent fuel pool
The Fukushima nuclear accident was caused by the rupture of the containment vessel caused by the earthquake
The “failure safety” principle of the Fukushima nuclear power plant has played an important role in protecting the expansion of accidents
Since the discharge window of the second unit building was opened, hydrogen did not accumulate, so there was no hydrogen explosion