A system level solution for power electronic measurements

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1044105

S. Ahmed, M. Haji, H. Toliyat

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引用次数: 1

Abstract

With the increased use of digital instrumentation in industrial applications, it becomes highly essential for the engineer to become more familiar and aware of the possible sources of measurement error related to the instruments being used and their internal construction. This paper aims to provide a common terminology, and error quantification in such systems. The discussion is aimed at both the user and the manufacturer of such instruments. The main body presents many performance features of modern digital measurement systems and the sources of error. Simple MATLAB/SIMULINK models attempt to simulate digital measurement system components in an intuitive manner. Developing such an understanding will aid in the determination of the required tests and the interpretation of their results. The work is aimed at a better understanding of the nonsinusoidal situation and the measuring problems due to nonsinusoidal conditions. The main part of this work is the development of a solid background using modern simulation tools of one of the main components of the measurement system, namely the data converter, and its requirements and errors. Sample data converter specifications are illustrated based on a sample nonlinear inverter waveform analysis. A new simple low cost topology for a data converter suitable for such an application is also presented and its performance is assessed using simulation. Finally, a comparison between this method and the existing one in TI DSP TMS2407 is made.

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电力电子测量的系统级解决方案

随着数字仪器在工业应用中的使用越来越多，对于工程师来说，更加熟悉和意识到与正在使用的仪器及其内部结构相关的测量误差的可能来源变得非常重要。本文旨在提供一个通用的术语，并在这种系统的误差量化。讨论的对象是这种仪器的使用者和制造商。主要介绍了现代数字测量系统的许多性能特点和误差来源。简单的MATLAB/SIMULINK模型试图以直观的方式模拟数字测量系统组件。发展这种理解将有助于确定所需的测试和解释其结果。这项工作的目的是为了更好地理解非正弦情况和由于非正弦条件而引起的测量问题。本工作的主要部分是在坚实的背景下开发利用现代仿真工具的测量系统的主要组成部分之一，即数据转换器，以及它的要求和误差。通过对一个非线性逆变器的波形分析，说明了样本数据转换器的规格。提出了一种新的简单的低成本数据转换器拓扑结构，并通过仿真对其性能进行了评价。最后，将该方法与TI DSP TMS2407中的现有方法进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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