仪表系统供电方案的研究

摘要

提高仪表电源系统的可靠性，对大型化工生产装置安全稳定运行至关重要。详细介绍了不间断电源的种类及特点和主要仪表用电设备的供电特点，从用电类型和安全生产要求等几个方面考虑，提出有针对性的仪表供电系统方案和应用实例。实践证明，该仪表供电系统方案运行稳定、安全可靠、经济实用。%Improving reliability of instrument power supply system is very critical to safe and stable operation of large chemical plants. The type, character of UPS and power supply characteristics of major instruments with electricity consumption are introduced in details. From perspectives of electricity consumption type and requirement of safe production, a specific instrument power supply scheme and corresponding application example are proposed. The practice has proved that the power supply scheme is stable, safe, reliable, economical and practical.