Reactor core average quadrant power tilt ratio calibration system and method

• Main Authors: HAO TENGFEI, TENG LIANGPENG, QIAN ZHONGYOU, ZHAO YIFAN, SHI HAOYU, LI ANG, ZHOU JIAN, DING ZHENTING, CHEN LIJIANG, JIN LANLAN, SI FENGWEI, DU CHAO, LIU JING
• Format: Patent
• Language: Chinese; English
• Published: 25.12.2020
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR POWER PLANT; NUCLEAR REACTORS; PHYSICS

The invention discloses a reactor core average quadrant power tilt ratio calibration system and method, and belongs to the technical field of nuclear power station reactor core safety. The system comprises: a total power and AFD acquisition module used for acquiring thermal power and AFD data in a power plant system at the current moment; an upper and lower reactor core average power calculation module which is used for calculating the average power of the upper and lower reactor cores according to the total power and the data acquired by the AFD acquisition module; an uncalibrated nuclear measurement power acquisition module which is used for acquiring uncalibrated nuclear measurement power at the upper part and the lower part outside the reactor at the current moment; and a calibration factor calculation module which is used for calculating quadrant power tilt ratio calibration factors of upper and lower channels outside the reactor according to the data obtained by the upper and lower reactor core average