单片机电动机经济运行测试仪的研究

Researches on the Motor Energy-Saving Operation Measuring Instrument Based on the Microprocessor

本文介绍了利用８０３１单片机实现三相异步电动机经济运行参数测试的基本原理，说明了硬件、软件结构和主要数学模型。讨论了对钳式电流互感器进行非线性频率补偿问题、并分析了实现自动量程转换及由Ｅ２ＰＲＯＭ构成定标系统的方法。最后给出研制结果。

This paper gives an introduction to the basic principles of measuring thethree-phase induCtion motor energy-saving operation Parameters by using the 8031microprocessor and describes the hardmare and software configurations and the mainmathematical models.This Paper also discusses the problems of non-linear and frequencycompenastions for the clampon current transformers and analyses the method ofauto-ranging and calibration by using E2PROM.The research results are given towardsthe end of the paper.