磁極轉子 的英文怎麼說
中文拼音 [cíjízhuǎnzi]
磁極轉子
英文
pole wheel-
Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth
值分佈以及場向電流強度和密度隨亞暴位相的變化,並著重分析了亞暴電流楔的特徵。結果表明,亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的,其起始位置很可能位於近地等離子體片內邊緣。The influence of separating magnetic flux method of rotor with u ' s and tangential permanent magnet to the pole - to - pole leakage factor is analyzed by finite element method ( fem ), and given the rule of design
通過對pmsm進行電磁場求解,分析了u型結構和切向結構轉子磁路結構的隔磁措施對電機極間漏磁系數的影響,提出了設計準則。Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關,還與定、轉子齒極數、定子繞組連接方式等密切相關,從而使得sr電機磁場分析很復雜,復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升,因此高性能的sr電機的熱分析也成為目前的研究熱點。Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system
文摘:研製了一臺高凸極比的兩極ala轉子磁阻同步電動機,實驗研究了電機的開環運行特性,研究結果表明電機開環運行時存在一個比較嚴重的低頻振蕩,這個振蕩發生在電機電源頻率略大於電機的自然頻率后的某一頻段,且會導致電機失去同步Henceforth, we calculate the saliency ratio of improved motor by the way of " electromotive oprce method ", and simulate the start processions of original motor and the improved motor with matlab language. from the result of simulation, we can find that the improved motor have better pefformance than the original motor
此後本論文運用「電勢法」計算出轉子結構改進后永磁同步電動機的凸極比,並利用matlab語言對改進前後電機的起動過程進行計算機模擬,模擬結果表明改進后永磁同步電動機能獲得更好的起動性能。Permanent magnetism of the rotor synchronous electrical cigang permanent magnetism is multipolar, stator are two pairs of feet are still 90 degrees electricity perspective, a very similar jacket one coil
永磁同步電機的轉子是多極的永磁磁鋼,定子是兩對爪極偏90度電角度,爪極外套一線圈。Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題,分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法,提出了採用電機磁場能量微動法計算相繞組的參數,並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。As a new kind of motor, switched reluctance motor ( srm ) has a doubly salient structure, and its windings are only mounted on the stators. these characteristics bring srm lots of virtues : solid structure, high reliability and efficiency, good fault - tolerance, low cost etc. switched reluctance driver ( srd ) combined srm with modern power electronic technology and control technology
開關磁阻電機( srm )作為調速電動機的新品種,採用定、轉子雙凸極鐵心結構,並且只在定子上裝有集中繞組,轉子上無繞組或永磁體,具有結構簡單堅固、運行可靠、效率高、功率變換簡單、容錯性好和成本低等優點。Si9979cs can directly transform the motor rotor magnetic poles ’ displacements detected by hall groupware into the on - off signals of the 6 mosfets to realize electronical switch
Si9979cs可直接將由霍爾組件檢測到的電機轉子磁極位置轉換成為6個mosfet功率管的開關信號,實現電子換向。In research of controlling system about the switched reluctance motor system ( srd ), there are two prominent problems, one is that it is difficult to set up accurate mathematical model of srm due to serious nonlinearity caused by double - salient structure, the other is that the previous schemes of srd are always equipped with rotor position sensor, which determines the system ' s high speed performance, reliability and cost. as a result, how to detect the position of non - position sensor rotor has become one major direction in the study o f srd
其中較為突出的問題是: 1 )由於sr電機的雙凸極結構,電機模型具有嚴重的非線性,使得建立sr電機的數學模型非常困難; 2 )轉子位置傳感器的存在影響了電機控制系統的高速性能、可靠性和成本,所以研究無位置傳感器轉子位置檢測技術(或間接位置檢測技術)是開關磁阻電機系統( srd )系統研究的重要課題之一。In this thesis, the basic operation theory of salient - pole synchronous motors is discussed ( based on the analysis of the electromagnetic relationship among stator winding 、 rotor winding and damper winding, the transitional process of salient - pole synchronous motors ( asynchronous starting, the thesis provids a novel control method and connection of exciting winding during salient - pole synchronous motors ( asynchronous starting
本文論述了凸極同步電動機的基本運行原理,在分析了凸極同步電動機定、轉子繞組及阻尼繞組的電磁關系的基礎上,研究了凸極同步電動機異步起動的過渡過程,提出了一種新型的凸極同步電動機異步起動過程中勵磁繞組控制方法和線路。About the rotor, the rotor structure, the pm material characteristics, the option of the pole pairs and the shielding are analyzed
轉子方面,主要對轉子結構、永磁材料性能、極對數選取、防護罩性能等方面進行了研究。This paper proposes a doubly salient permanent magnet motor with external rotor in the terms of characteristics request of driving motor of electric vehicle and characteristics of doubly salient motor
摘要根據電動汽車對驅動電機性能要求,結合雙凸極電機的特點,提出一種外轉子結構的雙凸極永磁電動機。So aimed at that, based on deep analyzing the eddy - current mechanism of the stator liners and rotor liners. this paper calculated the eddy - current with the multiple multipole theory by deploying the liners. according to the calculation result, the electromagnetic effect of the liners in the permanent magnet canned motor pump was analyzed
針對這一區別特徵,本論文在對定、轉子屏蔽套渦流產生機理分析的基礎上,採用將屏蔽套展開的方法,利用多極理論求解了屏蔽套的渦電流損耗,從而分析了屏蔽套對電磁性能的影響。Study on the influence of rotor - skewing on performance of pm flux switching machines
轉子斜極對永磁開關磁鏈電機性能影響的研究The model shows that the electro - magnetic coupling relationship inside the two - pole pm spherical motor is simple and that the torque of the motor is easy to control
所得結果表明,雙極永磁球形電動機內部電磁關系簡單,易於實現對轉子位置的控制。Analysis of armature magnetic field of doubly salient permanent magnet motor with external rotor on inductance characteristics of windings
外轉子雙凸極永磁電機電樞磁場對繞組電感特性的影響Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法,推導磁力泵聯軸器能量通用公式,導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法,周向傳動轉矩計算方法,結合試驗結果,總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。Firstly, the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function. secondly, the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction
先對交流勵磁機定子磁極線圈電壓采樣信號進行消噪濾波,再通過小波包分解和重構進行特徵頻率提取,建立了表徵旋轉整流器故障的特徵向量。This paper presents the working principles of single - phase permanent - magnet stepping motor this motors main characteristics are dissymmetry rotor and a winding on permanent - magnet. the winding on permanent - magenet is used for countervailing the flux of permanent - magnet. its very important during motor working
詳細介紹了一種新型單相單拍運行的永磁步進電機的運行原理,該電機主要特點為不對稱轉子及永磁磁極上附加一產生抵銷永磁磁勢的繞組,在單相單拍運行時發揮重要作用。分享友人