Tag "cooling"

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[Reactor4] UPS had a fire inside

Following up this article..[Reactor4] Actual Fukushima worker “In short, it was a design error.” On 7/5/2012, Tepco replaced the broken UPS (Uninterruptible Power Supply) and back-up. The failed UPS is

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[Reactor4] Actual Fukushima worker “In short, it was a design error.”

Following up this article..[Reactor4] Coolant system is still running without proper equipment   Actual Fukushima worker Happy11311 tweeted about the failure of the back-up coolant system in SFP4.    

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[Reactor4] Coolant system is still running without proper equipment

  Following up this article..[Reactor4]Coolant system is provisionally back on to be fully recovered tomorrow SFP4 is not fully recovered yet. On 7/2/2012, Tepco announced like this below, Upon investigation,

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[Reactor4]Coolant system is provisionally back on to be fully recovered tomorrow

Following up this article..[Reactor4] Back-up coolant system failed. Backup power is lost. 47 hours left. Tepco sent out emergency email to follow up.   【東電からのメール】(4号炉使用済燃料プール代替冷却システムが自動停止の続報)(お知らせ済は省略)・本日午後1時35分頃よりUPSをバイパスする作業を開始し本日午後2時45分頃、作業が完了したことから、午後3時7分頃、使用済燃料プール代替冷却システムのポンプを起動し冷却を再開(続 — おしどり♀マコリーヌさん (@makomelo) 7月 1,

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Prof. Takeda “Construction of reactor4 damaged the coolant system -reaches 100℃ on 7/5/2012″

Following up this article..[Reactor4] Back-up coolant system failed. Backup power is lost. 47 hours left.   Prof. Takeda [Link] estimates the coolant water of SFP4 will reache 100℃ in the

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[Reactor4] Back-up coolant system failed. Backup power is lost. 47 hours left.

Following up this article..[Reactor4] Coolant system of SFP4 stopped. Tepco is still investigating the cause.   The coolant system is not functioning yet and the back-up unit is out of

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[Reactor4] Coolant system of SFP4 stopped. Tepco is still investigating the cause.

Japanese freelance journalist / comedian Oshidori received emergency email from Tepco.     【東電からのメール】・本日(6月30日)午前6時24分頃、福島第一原子力発電所4号機において、使用済燃料プール代替冷却システム異常に関する警報が発生し、使用済燃料プール代替冷 却システムが自動停止。・その後、現場にて漏えいがないことを確認。(続 — おしどり♀マコリーヌさん (@makomelo) 6月 30, 2012 <Translate> Around 6:24 of 6/30/2012, alarm was given for the

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Coolant system of SFP in reactor2 is stopped

Since 14:01 of 6/27/2012, the coolant system of SFP2 has been stopped. They confirmed the cooling pump of systemA automatically stopped by the web camera of the seismic isolation building

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Tepco restarted coolant system of reactor 4

Following up this article..Reactor4 takes 3 more days to fix-Backup was stopped too Tepco restarted coolant system of SFP4 at 18:16  6/6/2012, announced in their daily press conference of 6/6/2012.

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Reactor4 takes 3 more days to fix-Backup was stopped too

Following up this article..Burnt motor of coolant system for reactor4 Tepco found a problem of insulation with the back up pump, they stopped it in the morning of 6/5/2012 as