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文章摘要
基于LabVIEW的冲击电压/电流波形测量软件
Impulse Voltage/current Measuring Software Based on LabVIEW
Received:February 10, 2014  Revised:February 10, 2014
DOI:
中文关键词: LabView,IEC标准, 过冲, 振荡, 冲击电压/电流测量软件。
英文关键词: LabVIEW, IEC  standard, Overshoot, Oscillation, Impulse  Voltage/Current  measuring software.
基金项目:
Author NameAffiliationE-mail
Lu Fei Hubei Electric Power Research Institute,Wuhan hustksl@gmail.com 
Long Zhaozhi* Measurement Research Institute,China Electric Power Research Institute longzhaozhi@qq.com 
Hu Danhui Hubei Electric Power Research Institute,Wuhan  
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中文摘要:
      冲击电压测量软件的计算准确度直接影响冲击电压测量系统的测量水平,本文介绍了IEC标准对于叠加过冲振荡的雷电全波的计算方法的发展改进过程,简述了自主开发的冲击测量软件的基本功能以及关键问题的解决方法,并采用IEC61083-2-2010的标准试验数据发生器(TDG)验证了软件的计算准确度。根据本软件对雷电全波(LI)29个典型波形的计算结果,其主要波形参数:峰值Up、波前时间T1、半峰值时间T2、部分相对过冲幅值β与标准值的最大偏差值分别为-0.07%、1.5%、-0.17%、1.0%,各参数的计算偏差都小于标准规定的最大允许偏差值;另外对波形雷电截波(LIC)、冲击电流波形(IC)和操作冲击全波(SI)的典型波形进行计算,得出本软件可用于计算冲击电压/电流各种波形的结论。将本软件与研究所研发的冲击测量软件就主要测量参数进行了计算结果的比较,结果显示其软件除了计算过冲时存在几个极大偏差,也基本满足IEC标准的规定,证明本软件采集数据的计算水平达到了先进水平。
英文摘要:
      Since the calculation accuracy of impulse voltage measuring software directly affects the measurement capability of impulse voltage measuring system, the paper introduces the development of calculation method to lightning impulse wave with overshoot and/or oscillation in IEC standard, also briefly describes the basic functions and solutions to key problems in programming progress of self-developed impulse software which is verified the calculation accuracy by using Test Data Generator(TDG) in IEC standard 61083-2. According to the calculated results of self-developed software on 29 typical waveforms of lightning impulse, for 4 parameters: peak value Up, front time T1, time to half-value T2, overshoot magnitude β, the maximum deviation between calculated value and standard value is about -0.07%, 1.5%, -0.17%, and 1.0% respectively which are all smaller than the maximum errors provided in standard. In addition, according to the calculated results on typical waveforms of chopped lightning impulse (LIC), impulse current(IC), and Switching impulse wave(SI), the software can be used to calculate variety of waveforms of impulse voltage/current. For the comparison the main measurement parameters of self-developed software with the software developed by manufacturer A, the results show the software A basically meet the requirements of IEC standard except few great deviations of calculation on overshoot, which proves that our measuring software has reached the advanced level in the data calculation of the impulse waveform.
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