防爆区域控制柜的电源改进

Power Improvement of Explosion Proof Area Control Cabinet

通过分析研究某LNG厂频繁发生仪表自动控制柜断电事故原因,发现了供电系统的设计缺陷,提出了合理的改造措施及建议,并在装置检修中改造了控制柜电源,以确保装置平稳、可靠供电。

Through analyzing the causes of frequent power failure of instrument automatic control cabinet in a LNG plant,the paper finds out the design defects of power supply system,puts forward reasonable measures and suggestions for improvement,and transforms the power supply of control cabinet in the overhaul of the plant to ensure stable and reliable power supply.