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Fusion Science and Technology
Latest News
Vogtle-3 shuts down for valve issue
One of the new Vogtle units in Georgia was shut down unexpectedly on Monday last week for a valve issue that has since been investigated and repaired. According to multiple local news outlets, Georgia Power reported on July 17 that Unit 3 was back in service.
Southern Company spokesperson Jacob Hawkins confirmed that Vogtle-3 went off line at 9:25 p.m. local time on July 8 “due to lowering water levels in the steam generators caused by a valve issue on one of the three main feedwater pumps.”
P. Millward, A. Ainsworth, C. J. Caldwell-Nichols, R. Lobel, C. J. Hancock
Fusion Science and Technology | Volume 11 | Number 1 | January 1987 | Pages 235-252
Technical Paper | JET Project | doi.org/10.13182/FST87-A25006
Articles are hosted by Taylor and Francis Online.
The paper presents an outline description of the function of each diagnostic system and then considers in more detail their general engineering aspects and some of the development work that has been incurred in meeting specific requirements. The way in which the engineering has differed from previous tokamak diagnostics is discussed illustrating the effect of the Joint European Torus (JET) environmental factors such as radiation, the need for remote handling, and scale. The techniques for interfacing the various diagnostic control systems to the overall machine computerized control system are presented. Finally, three diagnostic systems are described in more detail. From an engineering viewpoint these represent the three basic types: (a) JET design and manufacture, (b) association/JET collaboration (where each has a significant input), and (c) mostly association design and manufacture, but with project monitoring by JET.