LIU Wenfeng, XUN Xin, LIU Hongxu. Typical design and reliability analysis on relay circuit of main protection in thermal power units[J]. Thermal power generation, 2013, 42(10): 16-20.
LIU Wenfeng, XUN Xin, LIU Hongxu. Typical design and reliability analysis on relay circuit of main protection in thermal power units[J]. Thermal power generation, 2013, 42(10): 16-20.DOI:
火电机组主保护硬回路典型设计及可靠性浅析
摘要
分析了锅炉、汽轮机主保护硬件回路的典型设计方案
提出了带电动作的保护硬件回路采用冗余保护动作回路等方案
以防止保护误动和拒动
提高机组主保护功能的可靠性
保证机组安全、稳定运行。
Abstract
Typical design scheme of the relay circuit of main protection in turbines and boilers was designed.Moreover
to prevent protection mal-operation and failure risk
improve the reliability of the main protection function and ensure the unit safe and stable operation