Application of Variable Frequency Speed Control to Beam Pumping Units Based on Mechanical Properties in Mechanical Controlling Engineering

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Abstract:

According to the present production conditions of the beam pumping unit and the features of low permeable oil field, in order to meet the need of low permeable oil field, a successful approach was invited to change the stroke frequency of beam pumping unit by comparing. By analyzing the past and present ways of adjusting stroke frequency, a new technology by adopting variable frequency speed control technology is introduced for adjusting stroke frequency, and its principle is simply described. Through the simulation of inverter and vvvf system based on Matlab software, it’s obvious that inverter could output better three-phase voltage and current diagrams, vvvf speed control system could output relative stable speed and torque in a certain range with robust abilities to overcome fluctuation.

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365-369

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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