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秦山核电300MW机组励磁系统改造方案分析

Transformation Scheme Analysis of Excitation System for 300 MW Nuclear Power Unit of Qinshan
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摘要 某核电站为了延长300 MW机组的使用寿命,在Q1-OT-118大修期间对发电机和励磁系统进行了改造,由原三机静止硅整流励磁方式改为自并励励磁方式,将原有的UNITROL F系列励磁调节器改为UNITROL 6800系列励磁调节器。通过对改造前后励磁系统的差异、调试过程、改造后性能的提升等进行分析,验证了更新后的励磁系统设备降低了系统的复杂性,方便了设备的维护,同时也提高了机组运行的稳定性。 In order to prolong the service life of 300 MW units in QinshanNuclear Power Plant,the generator and excitation system were reformed during the overhaul of Q1-OT-118.The original three-engine static silicon rectifier excitation mode was changed to self-shingling excitation mode,and the original UNITROL F series excitation regulator was changed to UNITROL 6800 series excitation regulator.Through the analysis of the difference of the excitation system before and after the reform,the debugging process and the improvement of the performance after the reform,it is verified that the updated excitation system equipment reduces the complexity of the system,facilitates the maintenance of the equipment,and improves the stability of the unit operation.
作者 李戈超 吴帅 张家豪 LI Ge-chao;WU Shuai;ZHANG Jia-hao(CNNC Nuclear Power Operation Management Co.,LTD.,Jiaxing 314330,Zhejiang Province;School of Electrical Power,Shenyang Institute of Engineering,Shenyang110136,Liaoning province;Shenxi Thermal Power Plant,Liaoning Electric Power Co.,LTD.,National Energy Group,Shenyang 110000,Liaoning province)
出处 《沈阳工程学院学报(自然科学版)》 2023年第1期1-7,41,共8页 Journal of Shenyang Institute of Engineering:Natural Science
关键词 同步发电机 励磁系统改造 三机静止硅整流励磁方式 自并励励磁方式 Synchronous generator excitation system modification three-machine stationary silicon rectifier excitation mode self-excitation mode
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