用于DCU仿真测试的压控恒流源研究  

Research of Voltage-controlled Constant Current Source Used in DCU Simulation Test

作　　者：刘伟良[1] 李小文[1] 苏理[1] 刘丽君[1] 

机构地区：[1]株洲南车时代电气股份有限公司技术中心,湖南株洲412001

出　　处：《机车电传动》2015年第1期91-94,共4页Electric Drive for Locomotives

摘　　要：针对DCU仿真测试的应用需求,研究了一种基于运算放大器的压控恒流源电路,从理论计算和仿真分析的角度阐述了方案的可行性。通过试验验证,该电路的各项功能、性能指标均达标,实际应用效果良好。According to the application requirements of DCU simulation test,a kind of voltage-controlled constant current source circuit which was based on operation amplifier was studied,and the feasibility of scheme was elaborated from the aspects of theoretical calculation and simulation analysis.All function and performance indexes of the circuit were up to the standard,and the practical application effect of the circuit was good,which had been verifi ed by applications.

关 键 词：DCU 仿真测试 压控恒流源 运算放大器 瞬态响应 环路增益 

分 类 号：TP342[自动化与计算机技术—计算机系统结构] TN710[自动化与计算机技术—计算机科学与技术]