Typical design and reliability analysis on relay circuit of main protection in thermal power units
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Typical design and reliability analysis on relay circuit of main protection in thermal power units
Thermal Power GenerationVol. 42, Issue 10, Pages: 16-20(2013)
作者机构:
湖南省电力公司科学研究院
作者简介:
基金信息:
DOI:
CLC:TM621
Published:2013
稿件说明:
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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:
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:
Typical design and reliability analysis on relay circuit of main protection in thermal power units
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