Fast current control for low harmonic distortion at low switching frequency

被引：13
|
作者：
Khambadkone, AM
Holtz, J
机构：
[1] Univ Queensland, Brisbane, Qld, Australia
[2] Berg Univ Gesamthsch Wuppertal, Elect Machines & Drives Lab, D-42097 Wuppertal, Germany
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 1998年 / 45卷 / 05期
关键词：
current control; feedback pulsewidth modulation; high-power drives; variable-structure pulsewidth modulation;
D O I：
10.1109/41.720331
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The structure of the current control loop of an induction machine drive determines decisively the dynamic performance of the overall system. Fast current control is a prerequisite for dynamic decoupling between the torque and the flux commands. Standard solutions are well established for drives in the low- and medium-power ranges. The low switching frequency of high-power pulsewidth modulation inverters calls for a tradeoff in controller design between the low harmonic losses and torque ripple in the steady state on one hand, and fast dynamic response during the transients on the other. The problem is developed in detail. A variable-structure approach is proposed as the solution.
引用
收藏
页码：745 / 751
页数：7
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