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工業技術研究院

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技術名稱: 永磁同步馬達驅動方法與裝置

技術簡介

一種永磁同步馬達驅動方法,包括下列步驟。接收線電流訊號,並對線電流訊號進行類比數位轉換,以產生數位線電流訊號。依據數位線電流訊號與數位線電壓訊號,以產生實功率訊號與虛功率訊號。接收預設角速度訊號。依據預設角速度訊號與實功率訊號,以產生相位訊號。依據預設角速度訊號、實功率訊號與虛功率訊號,以產生電壓訊號。依據電壓訊號與相位訊號,以產生三相電壓訊號。

Abstract

A method for driving a permanent magnet synchronous motor includes the following steps. A line current signal is received. An analog-to-digital transform operation is performed for the line current signal to generate a digital line current signal. An active power signal and a reactive power are generated according to the digital line current signal and a digital line voltage signal. A preset angular velocity signal is received. A phase signal is generated according to the preset angular velocity signal and the real power signal. A voltage signal is generated according to the preset angular velocity signal, the real power signal and the reactive power signal. A three-phase voltage is generated according the voltage signal and the phase signal.

技術規格

在馬達定子座標系統下,利用提供馬達的電壓及迴授取得的電流, a.來計算出目前馬達的實功率(Q)及虛功率(Q)的值, b.來計算出在最小銅損下,馬達現在所需的驅動角度及驅動電壓,以達到下列的功效: 1.簡化馬達運轉所需計算時間,以期提高馬達的運轉速度; 2.使馬達運轉於最小銅損的環境下,提高馬達效率; 3.可提供高速的永磁同步馬達,使馬達體積可用小型化。

Technical Specification

Under the motor stator coordinate system, using the voltage supplied by the motor and the current obtained by feedback, a. To calculate the current power (Q) and virtual power (Q) values of the motor, b. Calculate the drive angle and drive voltage required by the motor at the minimum copper loss to achieve the following effects: 1.Simplify the calculation time required for motor operation, in order to improve the running speed of the motor; 2.Improve the motor efficiency by operating the motor in a minimum copper loss environment; 3.A high-speed permanent magnet synchronous motor can be provided to make the motor size compact.

技術特色

電動機驅動與控制產業在工業界中,一直扮演相當重要角色,其原因在於電動機使人類現代化生活更方便,使各式生產快速。近年來,成熟的馬達驅動器大部分使用開迴路電壓/頻率控制技術來控制感應馬達運轉。但是,由於感應馬達的運轉效率比永磁同步馬達低,產業開始採用低耗能的產品;但永磁同步馬達的運轉控制卻很少能直接採開迴路控制法,主要是永磁同步馬達的轉子磁場與定子磁場之間有相對小的阻尼,僅利用開迴路的控制很容易使馬達的運轉產生不穩定振盪。 此專利是以使用者(操作者)最熟悉的開迴路電壓/頻率控制技術為基礎,進行永磁馬達的驅動。

應用範圍

各種工業(製造)用馬達變頻驅動裝置、大型空調機用高速壓縮機驅動裝置

接受技術者具備基礎建議(設備)

永磁馬達運轉驅動平台、量測變頻器所需電壓、電流及功率等設備。

接受技術者具備基礎建議(專業)

具備電子、電機、資工、控制等領域研發工程人員與銷售業務。

技術分類 01 綠能環境

聯絡資訊

聯絡人:洪財旺 節能設備技術組

電話:+886-3-5914253 或 Email:twang@itri.org.tw

客服專線:+886-800-45-8899

傳真:none

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