1000 MW二次中间再热机组ETS硬跳闸回路分析

Design and Analysis of ETS Hard Trip Circuit of Secondary Intermediate Reheat 1000 MW Unit

文章是在调试1000 MW二次中间再热机组期间,针对ETS硬件跳闸回路进行的研究和分析,通过保护试验和分析原理构造,对实际应用中ETS硬件保护动作方式方法和硬件保护动作结果进行分解,从而使读者进一步了解1000 MW二次中间再热机组的ETS硬件跳闸回路的构造,有利于对ETS供电回路的隐患排查和治理以及故障后的快速处理,防止汽轮机重大事故的发生.

This paper is the research and analysis of the ETS hardware trip circuit during the commissioning of the 1000 MW secondary intermediate reheat unit.Through the protection test and analysis principle structure,the ETS hardware protection action method and the hardware protection action result are decomposed in practical applications.Therefore,the reader can further understand the structure of the ETS hardware trip circuit of the 1000 MW secondary intermediate reheat unit,which is benefi cial to the investigation and treatment of hidden dangers of the ETS power supply circuit and the rapid treatment after the fault to prevent the occurrence of major accidents of the steam turbine.