磁勢 的英文怎麼說
中文拼音 [císhì]
磁勢
英文
magnetic field potential-
The nanjing day tan oak domestic electric appliances limited company, is engaged in yu youyan machine, the fuel gas stove has, the fuel gaswater heater, the electric boiler, the electricity air bath, disinfects the cabinet, the electromagnetism stove and so on the smallelectrical appliances production and the sale operates privately thelimited liability company, the product proliferates area and so onmainland china and southeast asia has an experience rich technologyabundant outstanding team, has the specialty private enterprisemanagerial talent and control system day ke ren understood sets upthe brand, fully displays the team spirit, my si dingbi the takedivision of labor and cooperation, the superiority supplementary, resources sharing, the reciprocal benefit mutual benefit as aprinciple, provides extremely has the market competition strength bymight and main for the collaborator the product our objective is : development, innovation, prestige, highly effective, enterprising, strives for realism, development, quality
南京天柯家用電器有限公司，從事于油煙機，燃氣灶具，燃氣熱水器，電熱水器，電氣鍋，消毒櫃，電磁爐等小家電生產及銷售的私營有限責任公司，產品遍布中國大陸及東南亞等地區.有著一支經驗豐富技術雄厚的優秀團隊，有專業的私營企業管理人才和管理制度.天柯人懂得樹立品牌，充分發揮團隊精神，我司定必以分工合作、優勢互補、資源共享、互惠互利為原則，竭力為合作者提供極有市場競爭力的產品.我們的宗旨是：開拓，創新，信譽，高效，進取，求實，發展，質量The tendency for the magnetic carriers to become aligned is completely offset by their thermal energy.
磁性載子排列的趨勢完全被它們的熱能所抵消。Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。Pentagon report this year on china ' s military forces said baldly that the country was developing tactics to achieve “ electromagnetic dominance ” early in a conflict
今年五角大樓出具的一份關于中國軍力的報告明確指出：中國正在發展相應策略，以便在斗爭中盡早取得「電磁優勢」 。A pentagon report this year on china ' s military forces said baldly that the country was developing tactics to achieve “ electromagnetic dominance ” early in a conflict
今年五角大樓出具的一份關于中國軍力的報告明確指出：中國正在發展相應策略，以便在斗爭中盡早取得「電磁優勢」 。Compare the system ' s classical chaos motion between the double - potential well in the tiled magnetic field and that of potential well including biquadratic term
比較了傾斜磁場作用下的雙勢阱和含有4次方的勢阱兩種情況下系統的經典混沌運動特徵。This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached
本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析，推導出旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學表達式。Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique
其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。Based on the basic relations of mechanics, electrics and magnetics, the governing equations which are expressed in term of displacements of ux, uy and uz, electric potential and magnetic potential are derived for transversely isotropic magnetoelectroelastic medium
從橫觀各向同性磁電彈性力學運動方程、本構關系、電學和磁學方程出發，導出了用位移u _ x ， u _ y ， u _ z ，電勢和磁勢表示的磁電彈性介質的控制方程組。The minimum of resistivity at low temperature range can be explained by magnetic scattering which corresponds to the peak of magnetization. all of the experimental data can be well explained on the basis of vrh model, which comes from not the clusters, but the inhomogenous magnetic background. based on the mechanism of transport, cmr effect is elucidated
體系磁性和電性的影響，通過實驗分析得出了下列結論： q ） dy對la的替代產生了無規的磁勢，破壞了mn o mn長程鐵磁序，導致在tn丁tc溫區出現團簇玻璃態，在t tn溫區，由於dy子大的磁矩， la （ dy亞晶格和mn亞晶格磁矩強烈的耦合，體系呈現反鐵磁態Then a thorough analysis to the bias - magnetic of ppfc is made. the retraining effects of the main parameters ( include clamping capacitance c, output filter inductor lf, load r, the leakage inductor ls and source winding resistance r ) are studied under the conditions of different von, different ton and different winding parameters. then a conclusion can be drew, that the smaller lf and the bigger r are, the better the bias - magnetic is restrained and c has a best value to retrain the bias - magnetic
分別對管壓降不同，導通時間不同以及兩原邊繞組參數不一致（包括漏感、電阻、激磁電感三種情況）的情況下，主要參數（包括箝位電容c 、輸出濾波電感lf 、負載r 、原邊繞組漏感ls 、原邊繞組電阻r ）對偏磁的抑制作用進行了模擬分析研究，得出lf越小， r越大時激磁磁勢偏移量ni越小， c在其他參數確定時對抑制偏磁有最優值等結論，為參數的優化設計提供了依據。Adopting rotor field - oriented vector control methods, through which make the stator and the rotor magnetmotive forces can be kept orthogonal all along during operation of the bldcm, combining hysteresis current modulation ' s current control advantage and space voltage vector modulation ' s torque ripple attenuation advantage, then designing a sort of bldcm hysteresis current svpwm control method
摘要研究採用轉子磁場定向的矢量控制方法使無刷直流電動機定、轉子磁勢矢量始終保持正交，結合滯環調制電流控制和空間電壓矢量調制，設計了無刷直流電動機滯環電流svpwm控制方案。Step power is the key for step magnetic potential, the pulse width modulate technology that selects the triangle wave as the carrier and ladder sine wave as the modulate wave is researched, furthermore the design of the actuator drive adopts dsp as the digital controller is introduced
步進電源是產生步進磁勢的關鍵，文章研究了三角波為載波，階梯正弦波為調制波的脈寬調制技術，進而介紹了採用dsp組成全數字控制器，完成步進電源觸發的執行器驅動器的設計。The relation between the dimensions and performance studied in this paper. the orientation to obtain better performance is given. from the electromagnetic field calculation, it finds out that the flux leakage in the side surface is large. under this direction, a additional magnetic motive force is given against the flux leakage
通過對橫向磁通永磁電機的電磁場分析計算，發現橫向磁通永磁電機轉子端面漏磁通占漏磁通比例很大，在計算結果的指導下採取了在漏磁通磁路中提供一個與漏磁磁勢相反的磁勢的方法來降低漏磁通取得了預期效果。Abstract : first, the key magnet statuses and their pertinent mmf. position of exterior rotor brushless dc motor are described in this paper. second, the air - gap magnetic field and the armature reaction of the three - phase six - step exterior rotor brushless dc motor used in electrical bicycle are analyzed by means of mmf. vector, mmf. integration and magnetic field fem respectively. some valuable conclu - sions for designing this kind of motor are obtained
文摘:給出了外轉子無刷直流電動機的典型磁狀態及其對應的磁勢矢量位置，並用磁勢矢量合成法、磁勢積分法及電磁場的有限元方法對電動自行車用三相六狀態外轉子無刷直流電動機的氣隙磁場及電樞反應進行了詳盡的分析，從而得到有益於該種電機設計的結論。Discussion on how to reduce the harmonic magnetic potential of three - phase a. c. motor
談如何降低三相交流電機的諧波磁勢Study on difficulties of direct current sensor based on magnetic potential self - balance and feedback compensation
磁勢自平衡回饋補償式直流傳感器難點研究The vector relation among voltage, current and magnetic potential in phase shift regulating auto - transformer are analyzed. the parameter algebraic relation and the winding magnetic potential relation are gained
摘要分析了自耦調壓移相變壓器的電壓、電流、磁勢相量的關系，得到了各參數間的代數關系及各繞組的磁勢平衡關系。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。Topics covered include : electric and magnetic field and potential ; introduction to special relativity ; maxwell ' s equations, in both differential and integral form ; and properties of dielectrics and magnetic materials
內容包括：電磁場和電磁勢；狹義相對論介紹；麥克斯韋方程組的微分形式和積分形式；電介質和磁性材料的性質。分享友人