Adding a speed observer, a slip frequency calculator and a torque current component limiter to the SFO vector control system, a speed sensor-less vector control system based on stator flux orientation is formed.
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- 在矢量控制系統中采用定子磁場(chǎng)定向,并進(jìn)一步加入了轉速估計、轉速調節閉環(huán)、轉差計算和常用的轉矩電流限幅等重要環(huán)節,構成了一種無(wú)速度傳感器矢量控制變頻調速系統。
