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原因と対策2019� ��10月10日11時00� ��.pdf

20191010_1.pdf

🔗 Source: ensc.jp

📊 Size: 295 KB

📄 Pages: 9 pages

⬇️ Downloads: 224

Summary

On July 23, 2019, at 4:32 AM, an abnormal signal was emitted from the Automatic Operation System (AOS) device at the Ikata Nuclear Power Plant's Units 1 and 2, indicating a fault in the device. The signal was caused by an anomaly in the re-closure unit for the Ikata North Line 1. After resetting the signal, the anomaly disappeared, and the device was returned to normal operation on August 21, 2019. The cause of the anomaly is believed to be a transient factor within the AOS device, and no fundamental countermeasures are planned. Instead, the plant will continue to respond to any future anomalies by not using the AOS device and instead relying on manual operation by the operators, with renewed training and awareness of the procedures.

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Description

On July 23, 2019, at 4:32 AM, an abnormal signal was emitted from the Automatic Operation System (AOS) device at the Ikata Nuclear Power Plant's Units 1 and 2,...

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File Format: PDF
File Size: 295 KB
Pages: 9
Language: EN
Total Downloads: 224
Last Updated: 7 days ago

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