Autonomous operation of small reactors: Economy of automation in lieu of economy of scale

Richard Wood

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Autonomous operation of small reactors: Economy of automation in lieu of economy of scale

机译：小型反应堆的自主运行：自动化经济代替规模经济

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As indicated in the April issue of Nuclear News, development of advanced reactor concepts heavily emphasizes small modular reactors and microreactors. Promised features, such as capital cost savings, plant system simplification, implementation flexibility, and favorable operational responsiveness with passive safety behavior, all promote small reactors as desirable, non-carbon-emitting power sources to help satisfy future energy needs. In spite of the favorable up-front economics compared to large nuclear reactors, SMRs and microreactors do not provide the benefit of economy of scale that typically compensates for the high staffing demands associated with traditional, labor-intensive operations and maintenance (O&M) practices in the nuclear industry. To avoid the prospect that high staffing levels relative to unit power production will lead to unsustainable O&M costs for small reactors, a significantly higher degree of automation, to the point of near autonomy,is necessary. Essentially, the economy of automation is needed to offset the loss of economy of scale.

机译：如4月份核新闻问题所示，先进的反应堆概念的发展严重强调小型模块化反应器和微反应器。承诺的特点，如资本成本节约，工厂系统简化，实现灵活性，以及具有被动安全行为的良好运行响应性，所有促进小型反应堆理想的，非碳源电源，以帮助满足未来的能源需求。尽管与大型核反应堆相比，SMR和MicroreActors的良好前沿经济学不提供规模经济的好处，但通常会弥补与传统，劳动密集型运营和维护（O＆M）实践相关的高人员配置要求核工业。为避免展望，相对于单位电力生产的高人员平方米将导致小型反应堆的不可持续的O＆M成本，是必要的自动化程度明显较高的自动化程度。基本上，需要自动化经济抵消规模经济的丧失。

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《Nuclear news》 |2021年第7期|12-15|共4页
作者
Richard Wood;
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Department of Nuclear Engineering at the University of Tennessee-Knoxville;

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Autonomous operation of small reactors: Economy of automation in lieu of economy of scale

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