在核电厂建造和运行过程中，需要采购大量的商品级物项。这些执行核电厂安全功能的商品级物项需要经过评定，才能用于核电厂。对核电厂商品级物项评定文件体系进行了概述，对核电厂数字化设备商品级评定的流程和方法进行了介绍；同时，对数字化设备商品级评定过程中的设备鉴定与商品级评定关系、数字化设备质量特性评定要素以及数字化设备质量特性验收准则三个重点问题进行了重点讨论。%In construction and operation of the nuclear power plants, a large number of commercial grade items are needed to be purchased. These commercial grade items are executing safety functions for nuclear power plants, so it is necessary to evaluate and assess. The file architecture of commercial grade items assessment for nuclear power plant is described. The process and method for commercial grade assessment of the digitizing devices for nuclear power plant are introduced, and in accordance with the three key points in such assessment process are discussed emphatically, i. e. , the relationship between device identification and commercial grade assessment, evaluation factors for quality characteristics of digitizing devices, as well as the acceptance criteria of the quality characteristics of digitizing devices.
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