NDLI: Research on vector control system of beam pump used in CBM wells

Content Provider	IEEE Xplore Digital Library
Author	Bai Lijun Wang Zhengchong Wang Hao Zhuang Yuan Wang Cong
Copyright Year	2015
Description	Author affiliation: Sch. of Mech. Electron. & Inf. Eng., China Univ. of Min. & Technol., Beijing, China (Bai Lijun; Wang Zhengchong; Wang Hao; Zhuang Yuan; Wang Cong)
Abstract	The beam pump unit is widely used in Coal-bed methane(CBM) wells for mining of CBM. In the past few years, the main electrical drive system applied in beam pump unit for CBM wells is electromagnetic speed motor. Aiming at drawbacks existed in electromagnetic speed system such as high energy consumption and low system efficiency, we propose a variable frequency speed system based on vector control technology for CBM wells. This paper analyzes and builds the mathematical model of the load torque of the beam pump and the mathematical model of AC drives control system of the beam pump using vector control technology. Based on the above analysis, we further set up the whole simulation model of the vector control system of beam pump for CBM wells. The simulation results show that the control system can automatically adjust the real-time dynamic torque motor current, in order to match the output torque of the motor with the load characteristics of the beam pump, and prove to having an excellent performance of speed control. The field experiment data verify that compared with the electromagnetic speed system, the proposed control method using in CBM wells can definitely improve the system efficiency and reduce the energy consumption.
Starting Page	987
Ending Page	992
File Size	477212
Page Count	6
File Format	PDF
e-ISBN	9781479970179
DOI	10.1109/CCDC.2015.7162062
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Beam Pump Unit Torque Induction motors Stators Energy Consumption Coal-bed Methane Laser excitation Mathematical model Electromagnetics Machine vector control Vector Control
Content Type	Text
Resource Type	Article

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