楼杰力,曹武中
LOU Jieli,CAO Wuzhong

• 1:浙江兴源投资有限公司
• 2:珠海中瑞电力科技有限公司

摘要(Abstract)：

对火力发电厂热工直流电源和交流220 V电源的常规配置及存在的一些问题进行了深入研究,提出了优化设计方案,并在一些发电厂实际应用,取得了很好效果,提高了DCS和热工保护可靠性,为机组安全稳定运行提供了保障。
The paper investigates conventional configurations and several problems of thermotechnical DC power source and 220 V AC power supply in thermal power plants; then it proposes optimization design scheme and applies the scheme in some power plants, which gains favorable effects, improves the reliability of DCS and thermotechnical protection and guarantees safe and stable operation of units.

关键词(KeyWords)： DCS电源;无扰切换;直流双电源;隔离;静态开关
power supply of DCS;undisturbed switching;DC double power supply;isolation;static switch

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 楼杰力,曹武中
LOU Jieli,CAO Wuzhong

DOI: 10.19585/j.zjdl.2014.07.015

参考文献(References)：

• [1]孙长生,朱北恒,孙维本,等.火电厂热工系统可靠性配置与事故预控[M].北京:中国电力出版社,2010.
• [2]DL/T 5455-2012火力发电厂热工电源及气源设计技术规程[S].北京:中国电力出版社,2012.
• [3]DL/T 5428-2009火力发电厂热工保护系统设计规定[S].北京:中国电力出版社,2009.