轉子磁鐵 的英文怎麼說
中文拼音 [zhuǎnzicítiě]
轉子磁鐵
英文
rotor magnet-
Driveequipment use active magnet connected - implement to firsthand fix at the axletree of electrical engine, pumproom close completely, via magnetic force coincidence to drive impeller on rotor - assembled to circumgyrate indirectly
驅動裝置採用主動磁鐵聯軸器直接裝在電機軸上,泵室完全封閉,通過磁力偶合間接驅動轉子組合上的葉輪旋轉。Both stator and rotor are made of ferromagnetic materials
定子和轉子都是由鐵磁材料構成。Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4. 1 - 33 monolayer ( ml ). a theoretical mode for fitting fmr experimental data was established. the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film, especially the change of magnetic crystalline anisotropy from unixial to cubic
1 - 33原子層厚度( monolayer ,簡稱ml )的fe單晶超薄膜進行了鐵磁共振( fmr )和磁光研究,建立了理論模型對鐵磁共振實驗結果進行了模擬,重現了不同厚度的超薄膜,從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化,特別是磁各向異性從單軸各向異性向立方各向異性轉變的演化過程。Multiferroelectric magnetoelectri materials have a spontaneous polarization that can be reoriented by an applied electric field, a spontaneous magnetization that can be reoriented by an applied magnetic field. these materials have been exploited as transducer, waveguides, switches, phase inverters, modulators, etc. which also find a lot of technological applications in radioelectronics, optoelectronics, microwave electronics in instrumentation
這類材料同時具有鐵電和鐵磁材料的性能可以應用到傳感器,波導器件,轉換器,相位倒相器,變頻器,調節器等,在無線電電子學,光電子學,微波電子學等領域的發展具有重要意義。Cerium - substituted yttrium iron garnets ( cexy3 - xfe5o12, ce : yig ), the promising materials for magneto - optical ( mo ) application, have been widely attended for great improvement on faraday rotation due to the substitution of ce3 + ions to y3 + ions. however, studies on synthesis of ce : yig were restrained by two factors : the first was radium of ce3 + ions were much larger than that of y3 + ions, the second was ce3 + ions tended to transfer to ce4 + ions which were more chemically stable
摻鈰釔鐵石榴石( ce - substitutedyttriumirongarnets ,簡稱ce : yig )中,由於ce ~ ( 3 + )離子對y ~ ( 3 + )離子的取代,將大大提高釔鐵石榴石( yttriumirongarnets ,簡稱yig )磁光材料的法拉第旋轉角和磁光優值,使其能夠廣泛應用於激光和光通信等高技術領域。The transition from ferromagnetism to paramagnetism involves a transition from ordered to disordered orientations of electron spins.
由鐵磁性轉變為順磁性涉及到電子自旋的取向由有序向無序轉變。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。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。The paper mainly focused on the beam transport part of asipp key laboratory of ion beam bioengineering and it ' s component elements, for example, van de graff accelerator, bending magnet, magnetic quadruple lenses, beam shutter, collimator and so on. the laboratory has performed the milestone achievement that is beam passed the hole of lo ^ m diameter in experiments. many experimental results are discussed by theories according to experiments
本文重點討論了中科院離子束生物工程學重點實驗室單粒子束裝置的束流傳輸部分,對主要部件進行了詳細的討論,如:靜電加速器、偏轉磁鐵、磁四極透鏡、束線開關、瞄準器等,實驗中已取得束流穿過10 m小孔的標志性成果,並運用相關理論結合具體實驗分析了實驗結果。Align timing gear so that it points to timing scale, then put sensors magnetizing iron core and rotor casing 1 cam gear, while in parallel, into engine. fasten distributor bolt
調整正時輪與正時點對,再將傳感器導磁鐵芯與轉子1缸凸輪對插入發動機中,緊固分電器固定螺栓The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation
因為觀測器在估計轉速時利用的是電機的額定參數,而電機的參數(定子電阻、轉子電阻、勵磁電感)由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化,所以必然有估計誤差產生。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。Now we are busy fitting and testing the asipp single - ion microbeam facility. the main work in this paper are as following : testing the performances of bend magnets and magnetic quadruple, simulating the course of beam - line transport, realizing the function of count of the number of radiated ions & control of the electronic beam shutter, calculating different voltage worked on the beam shutter of different beam - line, probing into some factors that may influence the controlling precision and providing some method to solve them
本課題所做的工作主要是對偏轉磁鐵、磁四極場進行性能測試和對束線的傳輸進行模擬計算;編程實現離子記數和束開關的控制;計算出使用不同束線時束開關上所應該加上的電壓值,並且對可能影響控制精度的因素進行了一些探討,並提出相應的解決方案。Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate
在對損耗分析的基礎上,建立了考慮鐵損時異步電機的動態數學模型,推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法,並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。This system included method of solid medium plate enveloped with parafilm to form colony, conjugational gene transfer in a selective medium, screening the nonmagnetic mutants by magnet adsorption technique
此體系包括:以平板封膜培養技術獲得單菌落,在選擇性培養液中進行遺傳因子接合轉移,以液體培養和磁鐵吸附技術篩選突變子。A transient mathematical model of the asynchronous motor is built taking core loss into account to improve the torque performance. a method is proposed to minimize the total loss according to the relation between the efficiency and the rotor flux. a dtc system using this method appear high efficiency in matlab - simulation
本文通過對電機損耗的分析,建立了考慮鐵損時異步電機的數學模型,推導出電機的損耗和轉子磁鏈的關系,通過坐標旋轉變換,得出損耗最小時的直接轉矩控制的定子磁鏈參考值。Yet, most existing high speed on / off valves use electromagnet as their electicity - mechanism conversion element, and good performant electromagnets have to be imported from other countries, in such situation, it is difficity to make excelent high speed electromagnet valve made in our country, even if we can make good performant high speed electromagnet valve in our country, it still has the shortcoming of not high enough respond speed, too small placket and big volumeo in this thesis, a new high speed on / off valve is developed based on two types of existing valves, this new valve has higher respond speed, a little big placket and little volume o for the new valve, several main task was made out as below : a ) several types of high speed on / off were first analyzed, then the basic performance of the actuator of the new valve was analyzed
高速開關閥是20世紀80年代發展起來的一種具有響應速度快、抗污染能力強、與電子電路配合好等特點的一個良好的動力放大元件。但是現有的高速開關閥基本上採用電磁鐵為電?機轉換元件,高性能的電磁鐵又基本為進口,難以滿足高性能高速開關閥國產化的要求,即使是高性能的電磁鐵式高速開關閥,仍存在著響應速度不夠大、開口過小、體積較大的缺點。本文在現有兩種高速開關閥的基礎上,設計了一種新穎的高速開關閥,在提高其動態性能的同時,增大了閥的開口,減小了閥的體積。Mere giant magnetoresistance, which debuted in commercial hard drives back in 1998, represented the first example of so - called spintronics, or electronics based not on charge but spin, the property of an electron that makes it act like a tiny bar magnet
不過僅有在1998年的商業化硬盤上首度亮相的巨磁電阻效應才是稱之為自旋電子- -或非基於電荷而是旋轉(電子的這個特性使它像一個小型的條形磁鐵)的電子- - - -的首個例子。If the stator or rotor ( or both ) is subjected to a time - varying magnetic flux, the iron core is laminated to reduce eddy current losses
如果定子和轉子都同時受到時變磁場的影響,就將鐵芯許多薄片組成,以減小渦流損耗。By the study on the different structure and technics, a new structure of single side tfpm with convolute stator and inner magnet rotor is developed. the stator core is made by convoluted silicon steel tape. the stator manufacture does not need punching
通過對各種電機的結構特點及其加工工藝的分析研究,提出了新型的橫向磁通永磁電機結構,定子鐵心採用硅鋼片卷繞結構,轉子採用內置式永磁體結構,給出了新結構加工的工藝方法。分享友人