基于矢量控制的多相感應(yīng)電機電子變極調(diào)速技術(shù)
發(fā)布時間:2019-03-29 13:00
【摘要】:為了拓寬交流傳動系統(tǒng)的恒功率調(diào)速運行范圍,在研究多相系統(tǒng)變換理論和多相電機矢量控制的基礎(chǔ)上,提出了一種基于轉(zhuǎn)子磁場定向矢量控制的多相感應(yīng)電機電子變極調(diào)速方法。該方法不需要額外增加電機的容量或電流,通過轉(zhuǎn)子磁場定向矢量控制產(chǎn)生不同平面的諧波電流,驅(qū)動電機旋轉(zhuǎn),從而控制電機實現(xiàn)了在不停電情況下的電子變極,而且變極過程平滑,無大的轉(zhuǎn)矩波動。本文以九相感應(yīng)電機為例,對提出的方法進行實驗驗證,給出了其在轉(zhuǎn)子磁場定向矢量控制下的3對極和9對極之間相互電子變極的實驗結(jié)果。實驗結(jié)果表明,所提出的方法能夠在不停電的情況下實現(xiàn)電子變極調(diào)速,有效地提高了電機恒功率調(diào)速運行范圍。
[Abstract]:In order to widen the running range of constant power speed regulation of AC drive system, on the basis of studying the theory of multi-phase system transformation and vector control of multi-phase motor, This paper presents an electronic pole-changing speed regulation method for multi-phase induction motor based on rotor field-oriented vector control. This method does not need to increase the capacity or current of the motor, and generates harmonic currents in different planes by rotor magnetic field oriented vector control, and drives the motor to rotate, thus controlling the electronic pole change of the motor without blackout. Moreover, the pole-changing process is smooth and has no large torque fluctuation. Taking the nine-phase induction motor as an example, the proposed method is verified experimentally and the experimental results of the mutual electron pole variation between the three poles and the nine poles under the rotor magnetic field-oriented vector control are given. The experimental results show that the proposed method can effectively improve the running range of the constant power speed regulation of the motor, and can realize the speed regulation of the electronic pole-changing without blackout.
【作者單位】: 浙江大學電氣工程學院;
【基金】:國家重點基礎(chǔ)研究發(fā)展規(guī)劃(973計劃)(2013CB035604) 國家自然科學基金(51177150) 浙江省公益性技術(shù)應(yīng)用研究計劃(2011C21022)資助項目
【分類號】:TM346
[Abstract]:In order to widen the running range of constant power speed regulation of AC drive system, on the basis of studying the theory of multi-phase system transformation and vector control of multi-phase motor, This paper presents an electronic pole-changing speed regulation method for multi-phase induction motor based on rotor field-oriented vector control. This method does not need to increase the capacity or current of the motor, and generates harmonic currents in different planes by rotor magnetic field oriented vector control, and drives the motor to rotate, thus controlling the electronic pole change of the motor without blackout. Moreover, the pole-changing process is smooth and has no large torque fluctuation. Taking the nine-phase induction motor as an example, the proposed method is verified experimentally and the experimental results of the mutual electron pole variation between the three poles and the nine poles under the rotor magnetic field-oriented vector control are given. The experimental results show that the proposed method can effectively improve the running range of the constant power speed regulation of the motor, and can realize the speed regulation of the electronic pole-changing without blackout.
【作者單位】: 浙江大學電氣工程學院;
【基金】:國家重點基礎(chǔ)研究發(fā)展規(guī)劃(973計劃)(2013CB035604) 國家自然科學基金(51177150) 浙江省公益性技術(shù)應(yīng)用研究計劃(2011C21022)資助項目
【分類號】:TM346
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