面向核电应用的1E级隔离放大器的研制与验证  

Development and Validation of Isolation Amplifiers for Nuclear 1E Application

作　　者：李德文[1] 黄文君[1] 李晶晶[1] 王凯 杨文龙 

机构地区：[1]浙江大学工业自动化国家重点实验室,杭州310027 [2]浙江中控技术股份有限公司,杭州310053

出　　处：《核动力工程》2011年第4期91-94,共4页Nuclear Power Engineering

基　　金：国家创新研究群体科学基金(NCRGSFC:60721062);国家高技术研究发展计划(863计划2007AA041301)

摘　　要：提出了核电厂安全停堆系统核1E级隔离放大器设计技术方案。该方案采用开关电源技术+模拟电源技术设计电源模块。从抗干扰、器件降额和抗震3个方面详细论述了提高隔离放大器稳定性和可靠性的设计方法。经性能验证,该产品各项技术指标及可靠性均达到或超过了国外同类产品水平,并通过了所有核1E级认证测试。This paper presents the design scheme of nuclear-1E-class isolation amplifiers for safety shutdown system of nuclear power plants.The scheme adopts the switching power supply technology and the analog power supply techniques to design the power module.And then,the design methods for improving the stability and reliability of the isolation amplifiers is detailed from the point view of anti-interference,the device derating and anti-seismic.Performance validation shows that the product has passed all tests of nuclear-1E-class certification program and satisfies the nuclear 1E requirement,and its reliability and various technical indicators have reached or exceeded the similar foreign products.

关 键 词：核电厂 隔离放大器 温升 精度 抗震 可靠性 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]