{"id":2714,"date":"2017-01-06T17:09:13","date_gmt":"2017-01-06T08:09:13","guid":{"rendered":"http:\/\/fdada.info\/?page_id=2714"},"modified":"2017-01-06T17:09:26","modified_gmt":"2017-01-06T08:09:26","slug":"seq_unit2","status":"publish","type":"page","link":"https:\/\/fdada.info\/fdada\/home\/accident\/sequences\/seq_unit2\/","title":{"rendered":"2\u53f7\u6a5f\u306e\u4e8b\u8c61\u9032\u5c55"},"content":{"rendered":"

2\u53f7\u6a5f\u306e\u4e8b\u8c61\u9032\u5c55<\/h2>\r\n\u4ee5\u4e0b\u3001NEA\/CSNI\u201cBenchmark Study of the Accident at the Fukushima Daiichi Nuclear Power Plant (BSAF Project) Phase I Summary Report\u201d(2015), p.16.<\/a>\u3088\u308a\u5f15\u7528

\r\n\r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n
No<\/th>\r\n Date<\/th>\r\n Time[s]<\/th>\r\n Time[h]<\/th>\r\n Event<\/th>\r\n <\/tr>\r\n <\/thead>\r\n
1<\/td>\r\n 3\/11 14:46:00<\/td>\r\n 0 <\/td>\r\n 0.00 <\/td>\r\n Earthquake<\/td>\r\n <\/tr>\r\n
2<\/td>\r\n 3\/11 14:47:33<\/td>\r\n 93 <\/td>\r\n 0.03 <\/td>\r\n Reactor scram<\/td>\r\n <\/tr>\r\n
3<\/td>\r\n 3\/11 14:48:03<\/td>\r\n 123 <\/td>\r\n 0.03 <\/td>\r\n MSIV closed<\/td>\r\n <\/tr>\r\n
4<\/td>\r\n 3\/11 14:50:00<\/td>\r\n 240 <\/td>\r\n 0.07 <\/td>\r\n RCIC manually started<\/td>\r\n <\/tr>\r\n
5<\/td>\r\n 3\/11 14:51:00<\/td>\r\n 300 <\/td>\r\n 0.08 <\/td>\r\n RCIC automatically tripped (L-8)<\/td>\r\n <\/tr>\r\n
6<\/td>\r\n 3\/11 15:02:00<\/td>\r\n 960 <\/td>\r\n 0.27 <\/td>\r\n RCIC manually started<\/td>\r\n <\/tr>\r\n
7<\/td>\r\n 3\/11 15:07:00<\/td>\r\n 1,260 <\/td>\r\n 0.35 <\/td>\r\n S\/C pool cooling by RHR<\/td>\r\n <\/tr>\r\n
8<\/td>\r\n 3\/11 15:25:00<\/td>\r\n 2,340 <\/td>\r\n 0.65 <\/td>\r\n S\/C pool cooling by RHR terminated and S\/C spray by RHR started<\/td>\r\n <\/tr>\r\n
9<\/td>\r\n 3\/11 15:28:00<\/td>\r\n 2,520 <\/td>\r\n 0.70 <\/td>\r\n RCIC automatically tripped (L-8)<\/td>\r\n <\/tr>\r\n
10<\/td>\r\n 3\/11 15:36:00<\/td>\r\n 3,000 <\/td>\r\n 0.83 <\/td>\r\n Tsunami hit<\/td>\r\n <\/tr>\r\n
11<\/td>\r\n 3\/11 15:37:00<\/td>\r\n 3,060 <\/td>\r\n 0.85 <\/td>\r\n S\/C spray by RHR terminated<\/td>\r\n <\/tr>\r\n
12<\/td>\r\n 3\/11 15:39:00<\/td>\r\n 3,180 <\/td>\r\n 0.88 <\/td>\r\n RCIC manually started<\/td>\r\n <\/tr>\r\n
13<\/td>\r\n 3\/11 15:41:00<\/td>\r\n 3,300 <\/td>\r\n 0.92 <\/td>\r\n Station black-out<\/td>\r\n <\/tr>\r\n
14<\/td>\r\n 3\/12 03:17:00<\/td>\r\n 45,060 <\/td>\r\n 12.52 <\/td>\r\n CST found by the operator with low water level (30% full against 68% at the beginning of the accident)<\/td>\r\n <\/tr>\r\n
15<\/td>\r\n 3\/12 04:20:00<\/td>\r\n 48,840 <\/td>\r\n 13.57 <\/td>\r\n Switching water source of RCIC from CST to S\/C<\/td>\r\n <\/tr>\r\n
16<\/td>\r\n 3\/14 13:25:00<\/td>\r\n 254,340 <\/td>\r\n 70.65 <\/td>\r\n Loss of RCIC function was judged from the decreasing reactor water level<\/td>\r\n <\/tr>\r\n
17<\/td>\r\n 3\/14 16:34:00<\/td>\r\n 265,680 <\/td>\r\n 73.80 <\/td>\r\n Operation to open one SRV started for reactor depressurization<\/td>\r\n <\/tr>\r\n
18<\/td>\r\n 3\/14 16:34:00<\/td>\r\n 265,680 <\/td>\r\n 73.80 <\/td>\r\n Working for seawater injection through fire protection line started<\/td>\r\n <\/tr>\r\n
19<\/td>\r\n 3\/14 18:00:00<\/td>\r\n 270,840 <\/td>\r\n 75.23 <\/td>\r\n Reactor pressure started to decrease by opening one SRV and depressurization was confirmed<\/td>\r\n <\/tr>\r\n
20<\/td>\r\n 3\/14 19:20:00<\/td>\r\n 275,640 <\/td>\r\n 76.57 <\/td>\r\n Fire engines were found to have halted due to depletion of fuel<\/td>\r\n <\/tr>\r\n
21<\/td>\r\n 3\/14 19:54:00<\/td>\r\n 277,680 <\/td>\r\n 77.13 <\/td>\r\n Restarting 1st fire engine<\/td>\r\n <\/tr>\r\n
22<\/td>\r\n 3\/14 19:57:00<\/td>\r\n 277,860 <\/td>\r\n 77.18 <\/td>\r\n Restarting 2nd fire engine<\/td>\r\n <\/tr>\r\n
23<\/td>\r\n 3\/14 21:20:00<\/td>\r\n 282,840 <\/td>\r\n 78.57 <\/td>\r\n Opening other 2 SRVs and reactor pressure decreased and reactor water level increased<\/td>\r\n <\/tr>\r\n
24<\/td>\r\n 3\/15 01:10:00<\/td>\r\n 296,640 <\/td>\r\n 82.40 <\/td>\r\n Opening one SRV<\/td>\r\n <\/tr>\r\n
25<\/td>\r\n 3\/15 02:22:00<\/td>\r\n 300,960 <\/td>\r\n 83.60 <\/td>\r\n Operation to try to open SRV started<\/td>\r\n <\/tr>\r\n
26<\/td>\r\n 3\/15 06:00:00<\/td>\r\n 314,040 <\/td>\r\n 87.23 <\/td>\r\n Impact sound occurred S\/C pressure indicator showed 0 MPa (it has been judged that the impact sound came from Uni-4 explosion)<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n<\/table>\r\n\r\n
\r\nback<\/a>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"2\u53f7\u6a5f\u306e\u4e8b\u8c61\u9032\u5c55 \u4ee5\u4e0b\u3001NEA\/CSNI\u201cBenchmark Study of the Accident at the Fukushima Daiichi Nuclear Power Plant (BSAF Projec […]","protected":false},"author":1,"featured_media":0,"parent":427,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-2714","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/pages\/2714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/comments?post=2714"}],"version-history":[{"count":1,"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/pages\/2714\/revisions"}],"predecessor-version":[{"id":2715,"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/pages\/2714\/revisions\/2715"}],"up":[{"embeddable":true,"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/pages\/427"}],"wp:attachment":[{"href":"https:\/\/fdada.info\/fdada\/wp-json\/wp\/v2\/media?parent=2714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}