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DSP-based control the pumping unit disc permanent magnet synchronous motor drive system

Author: WuGuoXing
Tutor: FanChengZhi
School: Zhejiang University
Course: Theory and New
Keywords: Pumping unit Permanent magnet synchronous motor Vector control Digital signal processor (DSP)
CLC: TM341
Type: Master's thesis
Year: 2006
Downloads: 228
Quote: 1
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Abstract


Huge domestic oil field pumping unit demand , but domestic oil field pumping units is a traditional form of machine , its efficiency is low due to the presence of the large ratio of the reduction gear mechanism . This paper combines the technological transformation projects, oil field pumping units and cooperation in scientific research and development status according to the pumping unit , involved in the development of a new structure of direct -driven pumping unit disc permanent magnet motor drive system . New pumping unit has an obvious advantage in performance and energy-saving technology indicators . In this thesis, drive and control system as part of the project of direct -driven pumping unit , program and completed the design and commissioning of the control system . The specific content of the thesis include: 1 . Pumping unit drive system program , a variety of new pumping program design, and analysis and comparison of the advantages and disadvantages of various options . Permanent magnet synchronous motor and its control system . Including vector control and direct torque control algorithm , as well as digital signal processors and power devices in the motor control system analysis . 3 Make sure the entire system drive program . The system uses a disc permanent magnet synchronous motor direct drive solutions , has greatly improved the overall efficiency of the system . According to the driving scheme of the system , control system design , including hardware circuit structures as well as write and debug software programs . The control algorithm uses the vector control . 4 gives the measured waveform of the system under different operating conditions to verify the results of pumping unit control system design .

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CLC: > Industrial Technology > Electrotechnical > Motor > AC motor > Synchronous motor
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