抽油机的压力控制系统采用变频感应电机

O. A. Lysenko
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引用次数: 3

摘要

对生产过程质量的日益提高的要求与非粘性液体的泵送有关,这表明需要改善离心泵液体输送系统的运行条件,包括通过数学建模的方法。本文的目的是开发一种异步电动机速度的标量变频稳定计算点压力的系统,并研究其动态运行模式。研究中运用了以下方法:变频传动与电机理论、运算演算方法、离心叶片机理论。据此,提出了利用离心泵各自的模型,通过控制感应电机转速和间接确定计算压力来控制离心抽油机在计算点压力的方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pressure control system of the pumping units with frequency-controlled induction motor
The ever-increasing demands to the quality of production processes are associated with the pumping of non-viscous liquids, which indicate the need in improving operating conditions of liquid transfer systems with centrifugal pumps, including by means of mathematical modeling. The purpose of the paper is to develop a system for stabilizing the pressure in the calculated point by a scalar frequency-controlling of an induction motor speed, and to study its dynamic operation modes. The following methods are used in the research: theory of the variable frequency drive and electrical machines, methods of operational calculus, theory of centrifugal bladed machines. As a result, a scheme for controlling the pressure of the centrifugal pumping unit in the calculated point by controlling the rotational speed of the induction motor and determining calculated pressure indirectly using the respective models of the centrifugal pump was developed.
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