具有功因調控與簡易位置回授裝置之永磁同步馬達驅動器研製

Implementation of a Low-cost Rotor Flux Detection PMSM Drive with Power Factor Correction

林彥佐(Yen-Tso Lin)

指導教授 ： 黃明熙

國立臺北科技大學/機電學院/電機工程系所/碩士(2009年)

https://doi.org/10.6841/NTUT.2009.00500

摘要

本論文主要是研製具有輸入功因調控之永磁同步馬達驅動裝置，此裝置之功因調控是使用一只置於直流鏈電感之升壓型交流-直流轉換器的控制架構；驅動器則以具有換相訊號之永磁同步馬達作為載具，為使用較低價格之微處理器同時完成功因調控與馬達驅動，因此於低速使用120°方波及高速使用正弦波電流控制策略，配合換相訊號之訊號檢出進行速度控制。另外，為提升馬達之轉速控制範圍，於高速時啟動脈波高度調變策略來提高直流鏈之有效電壓達到馬達高速運作之目的。

關鍵字

功率因數 ； 永磁同步馬達 ； 動態升壓

並列摘要

The objective of this thesis is to design and implement a novel PMSM drive with power factor correction based on single phase, single-switch, and step-up AC-DC converter structure. The experimental PMSM is installed with three hall-effect sensors for the purpose of both rotor flux position detection and rotor speed calculation. A low-cost microprocessor is adopted to fulfill the requirements of motor control algorithms and power factor correction. In speed control, a 120° six-step current control is yielded during the period of start up and low speed, and a PLL-based sinusoidal current control is applied in high speed operation. For further improvement, a dynamic DC-link voltage boosting method is added to let motor quickly reach at high speed operating condition.

並列關鍵字

Power Factor Correction ； Permanent magnet synchronous motor ； Dynamic voltage-boosting

參考文獻

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