磁場損耗 的英文怎麼說

中文拼音 [chǎngsǔnhào]
磁場損耗 英文
loss of field
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
  • 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. Superconductivity - ac loss measurements - total ac loss measurement of cu nb - ti composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method

    超導性.交流電測量.用拾波線圈法測量暴露于橫向交流的cu nb - ti合成超導導線的交流電總
  2. Superconductivity - part 8 : ac loss measurements ; total ac loss measurement of cu nb - ti composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method

    超導性.第8部分:交流電測量.用拾波線圈法測量爆露于橫向交流中合成超導導線的交流電總
  3. Superconductivity - part 8 : ac loss measurements - total ac loss measurement of cu nb to composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method

    超導性.第8部分:交流電測量.用拾波線圈法測量暴露于橫向交流的銅鈮復合超導導線的交流電總
  4. Based on the maxwell ' s equations, the one - dimensional foil conductor ' s current density distribution equals the sum of the independent skin effect and the proximity effect current density distributions, and the one - dimensional foil conductor ' s loss equals the sum of the independent skin effect and the proximity effect losses

    本文從maxwell電方程出發對一層薄銅箔的趨膚和鄰近進行了研究,得出銅箔的總是趨膚和鄰近效應單獨起作用產生的的和。
  5. Based on the magnetic field data, this paper presents a double - frequency method to separate eddy current lossand hysteresis loss from iron loss, then different methods are used to calculate the two losses separately

    計算所得數據的基礎上,本文提出了採用雙頻法分離出sr電機鐵中的渦流,並分別採用不同的方法計算出這兩種
  6. The air - gap harmonic magnetic field and its effect on the iron losses are analyzed ; then the design rules to reduce the harmonics and the iron losses are presented ; at last, the sine or approximate sine air - gap magnetic field is constructed with non - homogenous air - gap, and the non - homogeneous air - gap function is presented

    第三部分對永同步電動機的氣隙進行了理論分析和電數值計算,分析了永同步電動機氣隙諧波的特點和不同轉子結構尺寸對氣隙諧波的影響,提出了削弱氣隙諧波減小的措施。
  7. 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電機分析很復雜,復雜的通密度波形導致電機特別是鐵的計算非常困難。電機的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。
  8. This movie demonstrates the phase difference and the amplitude decay of the e and h field in a very lossy medium

    本片演示高介質中電和的相位差及振幅衰減情形。
  9. The main research aspects are as follows : the method of ac transport losses measurement in ac applied magnetic field was investigated. upon the analysis of ac loss measurement, a method to measure ac transport losses in ac applied field was proposed by use of double " 8 " shape coils. a programme controlled system was set up to measure ac losses of hts tapes and coils, which can ensure the experiment data needed by theoretical analysis and verification

    主要包括:在實驗方面,探討了交流背景下高溫超導帶材的交流傳輸的測量問題,通過對交流測量的理論分析,提出了採用雙「 8 」字形電勢引線測量交流背景下高溫超導帶材交流傳輸的方法;建立了超導帶材短樣及線圈交流的電測量系統;從而為交流的研究提供實驗數據與理論檢驗標準。
  10. Some formulas are deduced and used to calculate the wastage of eddy current, and analyse factors about magnetic field and wastage of eddy current, at last measures for minishing the wastage of eddy current and the influence of magnetic field are put forward

    本文推導了隔離套中渦流公式,分析了對和渦流的影響因素,提出了減小隔離套渦流及對影響的措施。
  11. Insulation shell in a new induction shaft coupling is a main element to solve leakiness of magnet pump, it often works in changing magnetic field so that eddy current is produced, and eddy current results in wastage and decreasing the efficiency

    摘要力聯軸器中內外轉子間的隔離套是力泵實現無泄漏的主要零件,由於力聯軸器工作時,隔離套便處在變化的中,則其內部將產生渦流,導致渦流和傳遞效率降低。
  12. The effect of the primary and secondary winding widths on the power loss and energy storage are analyzed for the pcb winding pattern by using 2d - fem, it is demonstrated that when the primary and secondary have the same winding width, the transformer has the lowest ac - resistance and leakage, this suggests ways the designer can modify the winding arrangement to minimize the loss of transformer

    利用ansoft電模擬軟體和本人開發的一維平面變壓器的繞組計算程序對pcb繞組的並聯繞組的設計問題和pcb板繞組原副邊寬度相等問題進行了研究,提出了減少pcb板繞組的高頻的設計方法。
  13. A new terahertz source of folded waveguide traveling - wave - tube which based on vacuum electronics is introduced, which may answer the question for scarcity of small, economical terahertz source with continuous wave of high average power. secondly, transmission characteristics of terahertz wave in the periodic slow wave circuit of folded waveguide traveling - wave - tube have been researched combined with development of micro - fabrication technology. dispersion relation and interaction impedance of the slow wave circuit are deduced by the way of equivalent circuit, and results accounted by theory are close to those simulated by software

    其次,結合計算機模擬技術對這種新型太赫茲輻射源的折疊波導慢波線路傳輸特性進行研究:用等效電路法從理論上推導了慢波電路、色散關系及線路耦合阻抗,電模擬軟體計算得出的慢波電路色散曲線與理論計算所得結果基本上一致,表明這種尺寸的慢波電路在太赫茲頻段有著色散曲線較平坦以及寬帶、低的良好傳輸特性。
  14. By replacing the copper rotor winding of a conventional motor with hts windings, higher magnetic fields will be produced with virtually no rotor losses and significantly reduced losses in the armature

    用高溫超導線圈代替傳統電動機的銅轉子繞組之後,幾乎無轉子並可以大大降低電樞的,同時,電動機也產生了高能
  15. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態模型與高溫超導體的有效質量理論,建立了高溫超導帶材及並聯堆疊帶材的交流與臨界電流的各向異性理論模型;給出了高溫超導帶材的交流及臨界電流隨(交、直流)背景與超導帶面夾角變化規律的理論公式;依據所建立的高溫超導短樣帶材的各向異性理論公式,給出了高溫超導線圈交流的數值計算模型;並利用該模型,計算了高溫超導雙餅線圈的交流;並與實驗測量結果進行了比較分析。
  16. 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

    在對分析的基礎上,建立了考慮鐵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最小的方法,並且結合矢量變換提出了基於快速轉子定向的矢量控制。
  17. Abstract : one of the unsolved problems of the high power application of high temperature superconductors is how to lower the energy dissipation induced by flux motion. due to the extremely high anisotropy, small coherence length and weak pinning potential, the mixed state phase diagram which is tightly related to the flux dynamics becomes very complicated. a brief account is given of the field induced crossover of criticalities of energy dissipation, which has been observed in our recent sensitive electromagnetic measurement

    文摘:高溫超導體在強電方面應用的關鍵問題是如何克服通運動所造成的能量.由於存在極強的各向異性、短的相干長度和小的通釘扎勢,因此與通運動緊密相關的混合態相圖變得很復雜.文章綜述了根據一系列靈敏的電測量所觀察到的誘導的能量散行為的轉變
  18. Through analyzing the air gap magnetic field, stray loss on the surface of rotor can be worked out and moreover temperature field distribution in rotor can be obtained

    通過對氣隙的分析可以計算出轉子表面,進而計算出轉子的溫度分佈。在的計算中,討論了轉子匝間絕緣對電及溫度的影響。
  19. With summarizing and describing systematically the fundamental principles and research developments of electromagnetic field in the motor, finite element analyses ( fea ) of electromagnetic field of engineering, the switched reluctance motor ( srm ), and iron losses of motor cores, taking the common four - phase, 8 / 6 - pole srm as the object of study, this paper analyses, calculates, and then simulates the electromagnetic field in the srm using 2d finite element method, and obtains the - i - characteristics as the magnetization curve of the srm with the data derived from the results of fea

    本文在系統地總結和描述電機內的電、工程電有限元分析、開關阻電機(簡稱sr電機)以及電機鐵心基本理論和研究進展動態的基礎上,以常見的四相8 6極電機作為分析對象,進行sr電機二維有限元分析與計算,對電機內進行了模擬,並通過有限元計算所得有關數據獲得- i -形式的sr電機化曲線。
  20. Finally, after calculating iron loss and copper loss with the magnetic field analysis, use it as a heat source, and conduct a non - stationary analysis independently with the three dimensional thermal analysis which concentrates on the effect of the heat transfer coefficient on the temperature rise. in this paper, a bipolar switched reluctance machine system model is also established with an h bridge converter as its power circuit topology

    另外,本文還建立了雙極型sr電機系統模型,採用了h橋式功率主電路,詳細分析了其工作原理,並在等方面與採用不對稱半橋變換器的傳統單極型sr電機系統進行了對比。
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