一种基于pc机的测量和分析电机启动电流的仪器

ICEMS'2001. Proceedings of the Fifth International Conference on Electrical Machines and Systems (IEEE Cat. No.01EX501) Pub Date : 2001-08-18 DOI:10.1109/ICEMS.2001.970674

Lei Shaochong, Shao Zhibiao, Li Tonghe, Guo Zhonglin, Wang Fa-liang

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引用次数: 0

摘要

设计并实现了一种新型仪器，用于实时测量和分析电机启动时经常发生的电流和电压突变。给出了均方根估计误差的消除算法和电压变化的补偿算法。数字化信号通过EPP(增强型并口)直接发送到PC机，因此既不需要特殊的通信接口，也不需要额外的缓冲区。使仪器实现简单，使用方便。该仪器采用霍尔效应探头，可快速准确地测量高达6000安培的电流。测量值可根据用户选择以实时波形或均方根值曲线显示。

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A PC-based instrument for measurement and analysis of the starting current of a motor

A novel instrument has been designed and implemented to measure and analyze the real-time current and voltage of sudden change, which often occurs at the startup of motors. This paper gives the algorithm for eliminating errors in RMS value estimations and the algorithm for compensating voltage variation. The digitized signals are sent to a PC directly through an EPP (enhanced parallel port), so neither the special communication interface nor additional buffers are needed. That makes the instrument simple in realization and convenient for use. With Hall effect probes, this instrument can measure currents as high as 6000 amps fast and accurately. The measured values can be displayed either in real-time waveforms or in RMS value curves according to the user's choice.

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来源期刊

ICEMS'2001. Proceedings of the Fifth International Conference on Electrical Machines and Systems (IEEE Cat. No.01EX501)

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