基于拟合方法的直流时间常数测量  

DC Time Constant Measurement Based on Curve Fitting Method

作　　者：李新福[1] 刘教民[1] 崔玉龙[1] 

机构地区：[1]河北工业大学

出　　处：《仪器仪表学报》2003年第z2期29-30,共2页Chinese Journal of Scientific Instrument

基　　金：河北省科技攻关项目(02212107D)

摘　　要：低压电器试验是鉴定电器产品质量的一个重要环节,试验中测量的电参数是改进设计、新产品开发的重要依据。为了提高电参数的测量的准确性,研究适合于自动化测量的电参数的分析计算算法是至关重要的。对于低压电器直流试验中的时间常数的测量问题,本文提出了基于曲线拟合的交互式逐步逼近的计算算法。现场实验结果表明该测量算法是有效的、可行的,明显的提高了试验电参数的测量速度和精度。Low voltage apparatus test plays a key role in verifying the quality of investigated device. Electric pa- rameters of test are very important in developing new device or improving the design of electric device. In order to raising level of test accuracy,algorithm of electric parameter measurement is key problem. In this paper,a new method based on curve fitting was introduced for DC test time constant measurement. Experiment result shows that the proposed approach is effective and practicable. Speed and accuracy of measurement for electric parameter was improved apparently.

关 键 词：低压电器 直流试验 时间常数 曲线拟合 

分 类 号：TM93[电气工程—电力电子与电力传动]