[2K10-15] Fukushima Daiichi NPP Accident 1

[2K15] Assessment of Core Status of TEPCO's Fukushima Daiichi Nuclear Power Plants

(89)Review on Station Blackout Caused by Tsunami in Fukushima Daiichi NPS

*Daisuke Yamauchi¹, Kenji Date¹, Ryouhei Endo¹, Masato Mizokami¹, Takeshi Honda¹, Kenichiro Nozaki¹, Shinya Mizokami¹ (1. Tokyo Electric Power Company Holdings, Inc.)

Keywords:Fukushima Daiichi NPS Accident, Tsunami, Station Blackout

It is considered that the tsunami caused station blackout during the Fukushia Daiichi NPS accident because Emergency AC power in almost all the units was lost when the tsunami might have reached the site. In this study, we varified again whether the tsunami resulted in the station blackout from the viewpoint of relation between locations of the Emargency AC power equipment and timings of its failure.