電動機轉子 的英文怎麼說
中文拼音 [diàndòngjīzhuǎnzi]
電動機轉子
英文
motor rotor-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。For more information about electric motors, frequency changer or slip ring motors please call the company woelf
在生產商和服務商woelf出色的網頁上可以找到價廉物美的頻率變換器，電動機，集電環（繞線）型轉子電動機、繞線轉子異步電動機。The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor.
同步遲滯電動機由一個多相纏繞的定子和一個硬磁轉子所組成。A separated collecting ring with carbon brushes was designed and manufactured for the dynamic stress test of spoke plates of rotor of bulb tubular turbine generator
摘要根據測試需要，設計自製了分體式碳刷集流環，對燈泡貫流式水輪發電機轉子輻板進行了動應力測試。For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。Drag - cup type rotor motor
空心轉子電動機The damage causes of home - service motor squirrel - cage bars of power plant
發電廠廠用電動機轉子籠條損壞原因Permanent magnet synchronous motors ( pmsm ) have the advantage of not requiring any magnetizing current and easy to control. they are widely used in high performance servo systems
永磁同步電動機轉子勵磁由永久磁鐵產生，因其電路結構簡單，控制方便，而廣泛應用於高性能的伺服系統中。An electro - motor rotor dynamic balance - testing instrument
一種電動機轉子動平衡測試儀The special slot is adopted in the rotor of the induction machine with compound cage rotor and there is two materials of casting aluminum and copper iron alloy in the slot
復合籠條轉子感應電動機轉子採用特殊的槽形，且槽中含有鑄鋁和銅鐵合金兩種材料。This subject puts emphasis on the research of position sensorless technique of switched reluctance motor ( srm ) for the further development of position sensorless technique of srm
本課題以開關磁阻電動機轉子位置間接檢測技術為主題開展研究工作，以期有助於無位置傳感器sr電機間接檢測轉子位置技術進一步的研究。Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金，通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律，並從理論上進行了分析和解釋。In the process of parameters identification, the stator voltag is considered as input quantity and the stator current and motor rotate speed are considered output quantities. the rotor resistance and leakage inductance are estimated on - line and the identification results is got at last
在參數辯識過程中，以電機起動時的定子電壓為輸入量，定子電流和電機轉速為輸出量，對復合籠條轉子感應電動機轉子電阻和漏感進行在線估計，最後得到轉子電阻和漏感的辨識結果。Because the special rotor slot is adopted and there are both aluminum and copper iron alloy that can conduct and permeat in the slot, the induction machine with compound cage rotor is of not only good starting performance but also working performance which is close to that of squirrel - cage induction machine
由於復合籠條轉子感應電動機轉子採用特殊的槽形，且槽中含有鑄鋁和既導電又導磁的復合性材料。這使得該電機有良好的起動性能，又有接近籠型感應電動機的運行性能。The algorithm is also applied in the broken rotor bars detection in squirrel cage induction machines, which is dependent on detecting the twice slip frequency modulation due to the speed or torque in the stator current, and the rotor bar faults can be detected effectively without some preprocessing
指出可以利用信號的小波脊線來提取頻率隨時間連續變換的信號的瞬時頻率，並將該瞬時頻率提取演算法成功地應用到異步電動機定子起動電流信號的分析中，有效地提取出了轉子斷條故障特徵。Secondly, a series of novel detection schemes are presented creatively. furthermore, this paper proposes the joint detection scheme for rotor bar breaking and stator winding inter - turn short circuit fault in squirrel cage asynchronous motors, for the first time. meanwhile, a parameter identification technique based approach to detect stator / rotor over - heating fault is also presented
在此基礎上，提出了異步電動機轉子斷條與定子繞組匝間短路故障檢測新方法；首次提出了籠型異步電動機轉子斷條與定子繞組匝間短路故障聯合檢測方法；基於參數辨識技術，提出了異步電動機定轉子繞組過熱故障檢測新方法。Firstly, a method to estimate the rotor speed, which is based on bp neural network, is introduced in this paper. secondly, the park vector approach is used to monitor and diagnose the inter - turn fault of the stator winding. finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the hilbert transform and digital filter
具體工作如下：採用bp神經網路對異步電動機轉子轉速進行無速度傳感器估計；對定子繞組匝間短路故障，採用派克矢量方法進行監測與診斷；對于轉子斷條故障，詳細介紹了一種新的基於希爾伯特變換與數字濾波的在線監測方法。Firstly, the fault features of rotor bar breaking and stator winding inter - turn short circuit are analyzed in this paper, deeply and thoroughly
本文對異步電動機轉子斷條與定子繞組匝間短路故障特徵進行了機理、模擬與實驗分析。Based on continuous subdivision fourier transform, artificial neural network and self - adaptive filter technique, this paper presents a novel detection scheme for rotor bar breaking fault
在此基礎上，提出了基於連續細化傅里葉變換、神經網路與自適應濾波技術的籠型異步電動機轉子斷條故障檢測新方法。Based on analyzing the math model and running character of motor, this paper educes a method of estimating the real torque of motor by a way of energy conversion. by measuring the stator ' s current, voltage and the power factor of the motor, we can calculate the input power of the motor, and then we can get the electromagnetism power and the real electromagnetism torque
本文在分析了電機的數學模型和電機運行特點的基礎上，通過測量電動機定子相電壓和定子相電流以及功率因數角的方法，得出電動機的輸入功率，並從電機能量轉換的基礎上，得到電機的電磁功率，由此得到電機的實際電磁轉矩。分享友人