IICS27.120.20 CCSF65NB 中华人民共和国能源行业标准 NB/T20703—2023 压水堆核电厂化学控制效能指标 Chemistrycontrolperformanceindicatorforpressurizedwaterreactor nuclearpowerplant 2023-10-11发布 2024-04-11实施 国家能源局发布NB/T20703—2023 I目  次 前  言.............................................................................III 引  言..............................................................................IV 1范围..................................................................................1 2规范性引用文件........................................................................1 3术语和定义............................................................................1 4压水堆核电厂化学控制效能指标数据统计规定..............................................2 5压水堆核电厂化学控制效能指标体系组成.................................................2 5.1指标体系涵盖领域.................................................................................................................................2 5.2指标领域1...............................................................................................................................................2 5.3指标领域2...............................................................................................................................................3 5.4指标领域3...............................................................................................................................................3 5.5指标领域4...............................................................................................................................................3 5.6指标领域5...............................................................................................................................................3 6单次燃料循环值计算规则...............................................................4 6.1计算规定..................................................................................................................................................4 6.2计算公式...................................................................................................................................................4 7指标月度值计算规则........................................................................................................................................5 7.1计算规定..................................................................................................................................................5 7.2计算公式..................................................................................................................................................5 8指标月度值计算细则..........................................................................................................................................5 8.1指标领域1................................................................................................................................................5 8.2指标领域2................................................................................................................................................8 8.3指标领域3...............................................................................................................................................9 8.4指标领域4.............................................................................................................................................11 8.5指标领域5.............................................................................................................................................13 8.6指标月度值领域权重...........................................................................................................................14NB/T20703—2023 II9指标结果评价...................................................................................................................................................14 附录A...................................................................................................................................................................16 附录B.....................................................................................