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完全数字化的异步电动机高性能调速系统
引用本文:李正熙,李华德.完全数字化的异步电动机高性能调速系统[J].北京科技大学学报,1992,14(3):348-354.
作者姓名:李正熙  李华德
作者单位:吉林电气化专科学校 (李正熙,张连科),北京科技大学(李华德)
摘    要:

关 键 词:异步电动机  矢量控制  调速系统

High Performance Digital Speed -Control System for Induction Motor
Li Zhengxi Zhang Lianke Li Huade.High Performance Digital Speed -Control System for Induction Motor[J].Journal of University of Science and Technology Beijing,1992,14(3):348-354.
Authors:Li Zhengxi Zhang Lianke Li Huade
Institution:Li Zhengxi Zhang Lianke Li Huade (Jilin College of Electrification) (University of Science and Technology Beijing)
Abstract:For a VVVF Inverter--fed vector control system of inductino motor, not only realized complet decoupling between the torque and flux curremt vector of induction motor, but also ensured the maxium and constant torque control during the dynamic case if it is regulated by current and speed double control loops. In this paper, the structure of current and speed double loops for SPWM inverter--fed induction motor's vector control system is investigated. For ensurring the flux orientation in case of motor's parameters being changed, flux control loop is realized through calculating magnetic energy of motor. The modulation frequency of SPWM converter is calculated through simulation of several main harmonic components.
Keywords:induction motor  vector control  I  S double loops  flux loop control SPWM inverter
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