石油化工仪表供电的设计与探讨  

Design and Discussion of Instrumentation Power Supply in Petrochemical Industry

作　　者：邓利永 隋阳 Deng Liyong;Sui Yang(Xi an Subsidiary of Beijing Petrochemical Engineering Co.Ltd.,Xi'an,710075,China)

机构地区：[1]北京石油化工工程有限公司西安分公司,陕西西安710075

出　　处：《石油化工自动化》2022年第6期34-39,共6页Automation in Petro-chemical Industry

摘　　要：依据《石油化工仪表供电设计规范》,结合项目实例,通过对该规范新旧版本的对比,同时参考《仪表供电设计规范》,从仪表供电设计范围、电源容量计算、供电器材选择及电源系统配线等方面,介绍了仪表供电系统的设计。从工程角度阐述了对该规范的理解以及在项目执行过程中的总结和经验,重点介绍了断路器选型及线路压降的计算,并且对该规范个别条款与工程实践的差异进行了探讨。According to Design specification of Instrumentation power supply of petrochemical industry,combining project case,through comparison of the old and new version of the code,and referring to Design code for Instrument power supply system,the design of instrument power supply system is introduced from the aspects of instrument power supply design scope,power capacity calculation,power supply equipment selection and power system wiring.From the perspective of engineering,the understanding of the new standard,and the summary and experience in the process of project implementation are expounded.The selection of circuit breaker and the calculation of line voltage drop are introduced with stress.The differences of individual clauses between the code and engineering practices are discussed.

关 键 词：仪表电源柜 电源容量 断路器 额定电流 线路压降 

分 类 号：TH183.3[机械工程—机械制造及自动化]