步進磁鐵 的英文怎麼說
中文拼音 [bùjìncítiě]
步進磁鐵
英文
stepping magnet- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 進 : 進構詞成分。
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 鐵 : Ⅰ名詞1 (金屬元素) iron (fe) 2 (指刀槍等) arms; weapon 3 (姓氏) a surname Ⅱ形容詞1 (形容...
- 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
- 磁鐵 : [物理學] magnet; ferromagnet; magnetic-iron
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Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動;將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。By 2005, upon the completion of the 100 kilometers of expressways and 109 kilometers of subway, a magnetic levitation train system will also be in place to provide better access from our new airport to the city center
100公里的快速路和109公里的地鐵將於2005年竣工,磁懸浮鐵路系統還將進一步方便新機場與市中心的交通。The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right
通過對同步發電機各種運行曲線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響;求出了空載特性曲線和零功率負載特性曲線,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角特性曲線,與不計飽和時的功角特性曲線相比較,功角穩定極限小於90 ;求出無功調節曲線,與不計飽和時相比較, u型曲線向右偏移。Therefore, the stable operational region of generators is discussed along with the analysis on relationship between under - excitation operation and loss of excitation / synchronism, end temperature rise of stator - core, and automatic excitation regulators etc
針對這種情況,對發電機穩定運行區域進行了探討,並對進相運行與失磁失步、進相運行與定子鐵心端部過熱、進相運行與自動勵磁調節器等關系作了分析。The analysis and study on the dynamic efficiency of pmsm performing under the various loads. the influence of machine ' s parameters on dynamic efficiency and dynamic power factor is studied ; this has significant meaning for design of pmsm applied in the various load fields. the theoretical analysis and fem calculation fo air - gap magnetic field of pmsm is done
在建立永磁同步電動機dq軸數學模型時,考慮了電機的鐵耗和雜散損耗,提高了模擬計算的精度,根據實測的負載變化情況,對永磁同步電動機的動態性能進行模擬,並研究分析了電機各參量對其動態平均效率和動態平均功率因數的影響,總結出變化規律。As the rotor of the linear synchronous motor, the suspending electromagnetic irons are excited by rotor current and act with the long stator railway mutually. they have multiform functions such as suspending, advancing and generating electricity
懸浮電磁鐵作為直線同步電機的次級,在繞組電流的激勵下,與長定子軌道相互作用,同時具備懸浮、推進、發電等多項功能。Moreover, it is necessary to make a model that can simulate the operation of the valve because occasionally some factors are inaccessible. in this paper, the fundamentals of the valve been comprehended deeply, the model of the valve is brought forward, such factors as the spring, the material of the magnet core, etc are analyzed in detail using matlab simulink
第三,在深入解析電磁閥工作過程的基礎上,為了解決那些在現有條件下難以用試驗方法分析的某些因素對電磁閥性能的影響,建立了電磁閥的物理模型,採用matlabsimulink模擬技術對其進行了模擬研究,分析了諸如彈簧剛度、鐵芯材料等對電磁閥性能的影響,進一步揭示了電磁閥的工作機理。Meanwhile, in the experimental work, the scope of the equation that reveals the relation between the magnet force and the working distance is defined definitely. different materials of the magnet core are compared in terms of their influence to the valve. however, it is only initiatory, more work needs to be done in the future
同時,還採用試驗研究的手段深入分析了電磁閥工作間隙與電磁吸力之間的關系,明確了吸力公式的應用范圍,同時,在不同材料的對比試驗中,分析了磁性能較好的鐵氧體和鐵鉻合金以及工業純鐵對電磁閥工作性能的影響,對合理確定電磁閥鐵芯的製作材料進行了初步的探討。分享友人