磁式的 的英文怎麼說
中文拼音 [císhìde]
磁式的
英文
magneto type-
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。Most conventional permanent magnet motors can accept an armature current three or four times the rated current.
大多數普通的永磁式電動機能承受34倍額定值的電樞電流。Only applicable to floppy disk formatted e - cert
只適用於磁碟格式的電子證書。Track format for interchangeable magnetic six - disk pack
信息處理.可互換的個磁盤的磁帶盒的磁軌格式Every body radiates heat in the form of electromagnetic waves.
每一物體都以電磁波的形式輻射熱。An accelerated charged particle radiates energy in the form of an electromagnetic wave.
作加速運動的電荷會以電磁波的形式輻射能量。Radar, light, and other electromagnetic waves transfer momentum and energy through space.
雷達、光和其它形式的電磁波將其動量和能量通過空間輸送出去。All these forms of radiation together make up the electromagnetic spectrum
所有這些形式的輻射共同組成了電磁頻譜。Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively
高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設計密切相關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電源是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強激和低壓維持的功能,電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電磁閥的關閉速度;採用自舉吐路,降低了場效應管對驅動電壓的要求。Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。In this thesis, founding on the study of the feature of the communication system in maglev train, the design principia of the communication system in maglev train is brought forward. after understanding the feature of the communication system and the induction signal in maglev train, the advantage and disadvantage of several binary modulating and demodulating methods is studied. then, two communication system based on parallel cable and crossed induction coils is put forward
本文分析了磁浮列車通信系統的特點,提出了設計磁浮列車通信系統需要遵循的原則,針對磁浮列車通信系統和感應信號的特點,對比了多種二進制調制解調方式的特點和優點,提出了基於平行電纜和交叉回線的兩種無線感應通信系統。Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。Analysis of electromagnetic flow meter s multiform exciting mode
電磁流量計幾種激磁方式的分析Uncertainty of measurement evaluation for paramagnetic oxygen analyzer
順磁式氧分析器計量標準不確定度的評定The result shows that the quenching inductor with wimble magnet inlaid is adaptable for this technique, and the vertical quenching machine can be used in mass production
結果表明,帶錐角鑲嵌導磁體的圈式感應器,其有效圈高度、錐角和內徑的合理匹配可以滿足淬硬層形態的要求,採用立式淬火機床連續淬火可以大批量生產合格的半軸。This is the form of the fields set up by feeding electromagnetic energy into a resonator formed by two curved reflectors.
它是將電磁波輸入由兩個曲面反射鏡組成的諧振腔后所建立的電磁場的形式。The finer the grain is, the higher the magnetic properties are, such as the improvement of coercivity. according to the theory of remanence, the intensity of remanence is in direct proportion to the density of magnet and ms. the improvement of remanence resulted from the interaction of density of magnet and ms, but the ms took the more important role
究其原因:晶粒的細化可以提高磁體的矯頑力;而根據剩磁的理論公式,剩磁與磁體密度和飽和磁化強度成正比,剩磁的提高是磁體密度和飽和磁化強度的提高的綜合效果,但其中飽和磁化強度的提高佔主導地位。Referencing the existing laser lithography tools and according the structure principle of maglev - bearing and maglev - vehicle, two structure patterns of precision stage based on maglev technology and driven non - contactly by linear motor are designed and researched. the two maglev precision stages will be of freedom information property and adapt to develop and manufacture laser lithography tools by ourselves
在參考國內外光刻機現有定位平臺結構形式的基礎上,根據磁懸浮軸承和列車的結構原理,以磁懸浮技術為基礎、以直線電機無接觸驅動為動力,研究並設計了具有自主知識產權的兩種結構模式磁懸浮精密定位平臺,以適應我國自主研製開發新一代光刻機的需要。The releaser executes the function of breaker. the traditional releasers always are electromagnetic and it is not easy to control their trait
斷路器的保護功能是由脫扣器實現的,傳統的脫扣器多為電磁式的,其特性不易控制。分享友人