1、 基于基于 ACAC- -DCDC- -ACAC 变换的大功率器件伏安特性测试仪的研究变换的大功率器件伏安特性测试仪的研究 摘摘 要要 随着现代测试技术与手段被广泛地应用于各种工业场合，对于智能仪器的要求越来越 高而且智能仪器也越来越多的开始替代原有电工仪表。研制一种智能程度较高的自动伏安 特性测试仪， 不但是传统的测试方法和手段的一次革新， 而且具有广阔的应用市场。 因此， 如何设计出一种体积小、重量轻、智能化程度高的伏安特性测试仪具有非常重要的现实意 义。 本文针对当前伏安特性测试仪现状和针对目前市场上现有伏安特性测试仪的体积大、 重量重、智能化程度不高的问题，提出了一种实用的伏安特性测试
2、仪的设计方案，并通过 仿真分析该仪器的性能特点。针对现有测试仪采用自藕变压器导致体积大的缺点，提出了 采用AC-DC-AC方案取代现有仪器中的自藕变压器的观点，这不仅能减小仪器的体积， 而且还能使仪器的重量大大减轻。 本文研究了一种基于AC-DC-AC变换的智能化的伏安特性测试仪。介绍了该测试仪器 的原理框图，首先对其中各个硬件模块进行了详细的说明，给出了相应的电路原理图和软 件实现部分。最后，对整体电路进行了分析并对所设计的测试仪进行了测试，结果表明， 该测试仪的设计方案是可行的，运行稳定可靠，抗干扰能力强，具有良好的特性，是一个 比较实用的测试仪器。 关键词关键词：智能仪器；伏安特性；测试
3、仪：智能仪器；伏安特性；测试仪, ,；ACAC- -DCDC- -ACAC Research on Volt-Ampere Characteristic Tester of Powerful Device Based on AC-DC-AC Transformation ABSTRACT With modern technology and means testing was widely used in various industrial occasions, the intelligence apparatus and the increasingly demanding more an
4、d more intelligent machines start replacing the electrical instrumentation. To develop a higher degree of intelligence voltammetry of the automatic test instrument is not only the traditional testing methods and means of a reform, and has broad application market. Therefore, how to design a small si
5、ze, light weight, high degree of intelligence voltammetry of the test instrument has a very important practical significance. This paper voltammetry of the current status and tester currently available in the market for V characteristics of the test-size, weight, intelligence is not high degree of t
6、he problem, a practical test for the voltammetry of the design plan And, through simulation analysis of the performance characteristics of the apparatus. For the existing test instrument used since the lotus transformer led to the large volume of shortcomings, the proposed use of “AC-DC-AC“ programme to replace existing equipment in the lotus transformer point of view, this can not only reduce the volume of equipment, but also To significantly reduce the weight of equipmen
