電流磁化 的英文怎麼說

中文拼音 [diànliúcíhuà]
電流磁化 英文
electromagnetization
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. An ambient field aids the magnetization from the exciting current.

    背景場加強了激勵電流的磁化強度。
  2. So there is a lot of differences between them. biology magnetic field is small but is closely concerned with certain diseases as bioelectricity. take heart disease for example, abnormity come out both in the bioelectricity of the heart and magnetic field in the heart

    生物磁場的強度非常小，而外加磁場的場強比其大得多兩者有天壤之別，生物磁場雖然小，但也和生物電流一樣，與某些疾病的發生有關，如心臟疾病，不僅心臟的生物電流發生異常，心磁場也發生異常變化。
  3. Maximum rated circumferential magnetizing current

    額定周向磁化電流最大周向磁化電流
  4. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因，推導了波動電流、阻尼系數的計算公式，並通過實驗展示了被動式電磁阻尼器的阻尼效應。
  5. Realizing method of magnetization curve on dc electromotor

    直流電動機磁化曲線的實現方法
  6. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。
  7. 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。
  8. The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory

    以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。
  9. On the other hand, the harmonic and surge current in capacitor banks is restrained so that the capaci - tor is protected by reactor. since this type of reactor has a dry - type air - cored structure, no - core structure without ferromagnetic induc - tion effect, it is provided with the feature of good linearity and low noise, so that the product is convenient for maintenance and ope - ration in all weather

    該型電抗器採用乾式空心結構，維護簡單，運行安全，無鐵心，不存在鐵磁飽和，電感值不會隨電流變化而變化，線性度好，噪聲低，適合全天候條件下運行。
  10. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。
  11. 1. since this type of reactor has a dry - type air - cored structure, which will prevent leakage and burning so as to maintenance easily and operate reliably. no - core structure without ferromagnetic induction effect so that it is provided with the feature of good linearity and low noise

    1 .電抗器採用乾式空心結構，避免油浸式電抗器發生漏油易燃等缺點，維護簡單，運行安全，無鐵心，不存在鐵磁飽和，電感值不會隨電流變化而變化，線性度好，噪音低。
  12. Current magnetization method

    電流磁化法
  13. The suggested method can be used to describe excitation in wave guides of arbitrary types

    這種方法可描述任意類型波導管里的電流磁化。
  14. Robust pid control of chaos in permanent magnet synchronous motor

    永磁同步電機混沌運動的電流變化率反饋控制
  15. We adopted excitating voltage that its frequency is 0. 5hz to replace dc excitating voltage when measured the dc magnetization characteristic

    對于直流磁化特性的測量，本文採用了用0 . 5hz的激磁電壓宋代替直流電壓進行測量從而使測量方法更加簡單。
  16. Because the excitating voltage ' s frequency is 0. 5hz, the signal of induced voltage is very small, even though smaller than noise. so how to accurate pick the weak signal is the key of measuring dc magnetization characteristic

    由於激磁電壓為0 . 5hz ，因此其感應電壓非常小，甚至小於干擾信號，如何準確的採集到該弱信號是進行直流磁化特性測量的關鍵。
  17. Several problems are resolved in this paper : firstly, the control system for viscosity of the mr fluid is developed. the variation of current in the armature of mixed electromotor is monitored real time to calculate the variation of the viscosity of the mr fluid

    首先，研製了磁流變液的粘度控制系統，採用檢測攪拌電機電樞電流變化的方法實時檢測磁流變液粘度的變化。
  18. Abstract : it was studied by us that new technologies using strong pulsed magnetic field and electric current were applied to refine metal ' s solidified structure. these technologies improved remarkably the solidified structure of ly12 aluminum alloy and made the solidified grains more equiaxed and apparently finer compared with that of the normal sample, which is of more dendrite grains. the stronger the strength of the pulsed electromagnetic field, the better the improvement effect was. the refinement mechanisms of the new technologies were analyzed theoretically. new phenomena and problems occurred in our experiments were also pointed out in this paper

    文摘:提出了用強脈沖磁場和電流細化金屬凝固組織的新工藝.與未經磁場或電流處理的凝固樣品相比，強脈沖電磁場能夠顯著地改善ly12鋁合金的凝固組織，使晶粒明顯細化、球化，電磁場的強度愈強，這種改善效果愈明顯.對該新工藝的細化機理進行了理論分析，同時，指出了實驗中的新現象和新問題
  19. This test system can apply to two kinds of measurements. one is the automatic measurement of the core loss for the different core of the same type under the same amplitude of the magnetic flux density ; the other is the automatic measurement of the alternate magnetization curve and the core loss curve for the core

    本測試系統主要進行以下兩方面的測試，一是在同一個b _ m下對同一型號的不同電機鐵芯進行鐵損測試；二是對電機鐵芯的交流磁化曲線和鐵損曲線的自動測試。
  20. A device that makes use of the effects of low temperatures on conductive materials such that small magnetic field changes can control large current changes

    一種利用導體材料低溫效應的器件，這種低溫效應使得很小的磁場變化便能控制很大的電流變化。
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