一起低励限制器动作值与设定值偏差较大事件的分析与解决  

Analysis and Solution of the Large Deviation between the Action Value of the Low Excitation Limiter and the Set Value

作　　者：褚楚 周项超 郝旭媛 CHU Chu;ZHOU Xiangchao;HAO Xuyuan(Hainan Nuclear Power Co.,Ltd.,Changjiang 572733,China)

机构地区：[1]海南核电有限公司,海南昌江572733

出　　处：《电工技术》2021年第2期112-114,共3页Electric Engineering

摘　　要：结合某电厂励磁系统及低励限制器的工作原理和实际情况,采用推导公式、仿真计算、绘制等效原理图、动态试验验证等多样化、典型性的分析方法,对一起低励限制器动作值与设定值偏差大的事件进行了详细分析,并制定出对应的解决办法,从而完善限制器的控制功能,优化系统的控制和运行条件。Combined with the working principle and actual situation of the excitation system and low excitation limiter in a power plant,a detailed analysis of an event with large deviation between the action value and the set value of the low excitation limiter was carried out by using various and typical analysis methods such as derivation formula,simulation calculation,drawing equivalent schematic diagram and dynamic test verification.The corresponding solutions were worked out to improve the control function of the limiter and optimize the control and operation conditions of the system.

关 键 词：励磁系统 低励限制器 UNITROL 6800 仿真计算 

分 类 号：TM62[电气工程—电力系统及自动化]