A High Accuracy Current Component Detection Method for Fully Digital Vector-Controlled PWM VSI-Fed AC Drives

被引：13
|
作者：
Matsui, Takayuki [1 ]
Okuyama, Toshiaki [1 ]
Takahashi, Junichi [2 ]
Sukegawa, Takashi [2 ]
Kamiyama, Kenzo [2 ]
机构：
[1] Hitachi Ltd, Hitachi Res Lab, 4026 Kuji Cho, Hitachi, Ibaraki 31912, Japan
[2] Hitachi Ltd, Omika Works, Hitachi, Ibaraki 31912, Japan
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 1990年 / 5卷 / 01期
关键词：
Electric Inverters - Electric Motors; Ac--Speed Control - Electric Waveforms - Mathematical Techniques--Vectors - Pulse Width Modulation;
D O I：
10.1109/63.46000
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high accuracy differential-type current component detection method and test results are described. The method is suited for vector-controlled pulsewidth modulated (PWM) voltage source inverter (VSI)-fed adjustable-speed ac drives. Its features include elimination of high frequency current harmonics appearing in PWM VSI's and correction of the detection error caused by the lag time of time-sharing processing. Since this method allows current loop calculations at a slower sampling rate with a conventional microprocessor, it realizes a fully digital speed regulator with a minor current component loop.
引用
收藏
页码：62 / 68
页数：7
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