空氣隙磁場 的英文怎麼說
中文拼音 [kōngqìxìcíchǎng]
空氣隙磁場
英文
air gap field- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 隙 : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 場 : 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] (...
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
- 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
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Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。With the development of modern permanent magnet ( pm ) machine to high speed, high efficiency, high power density and micromation, the limitation of traditional rare earth pm machine is exhibited, such as higher ripple - free torque, higher losses, lower open - circuit magnetic field, etc. halbach motor, a new type permanent magnet motor, first proposed by american scholar klause halbach, has been studied very widely. halbach motor has higher magnetic field, usually as 1. 4 times as that of traditional rare earth permanent magnet machine, which attributes to higher power density
Halbach永磁電機是由美國學者klausehalbach提出后一直被廣泛研究的一種新型永磁電機,和普通永磁電機相比其優越性有:氣隙磁密比一般永磁電機可增大40 ,從而可有效提高電機的功率密度;固有的正弦分佈磁場,可為電機設計和加工帶來便利,降低成本;自屏蔽效應,轉子可不再需要為磁路提供閉合迴路,這為轉子的選材提供了較大的空間。The results show that transformation of transmission mechanism and much higher birefringence can be achieved after nlc - filling. farther, we firstly demonstrate the realization of modulating pbg and modes of pbg - pcfs by changing refractive index filled of filled nlc by virtue of temperature or electric field, and finally tunable
在此研究的基礎上,首次提出並設計出通過用溫度或者電磁場來調節空氣孔中液晶的折射率來連續調節這種高雙折射光子帶隙光纖中的傳輸帶隙和傳導模式,最終實現的高雙折射可調的光子帶隙光纖。According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated
本文根據電磁場理論,從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場,採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波,進而計算出氣隙磁場波形特徵系數。This model not only reckons in the effects of the space distribution and the connection pattern of the windings, the position of the short circuit point and the space harmonics of the gap magnetic field, but also takes into account the pole geometry, slot effects, saturation and eddy current in the rotor
該模型不僅能考慮繞組的分佈與聯接方式、故障的空間位置、氣隙磁場的空間諧波,還能細致地考慮磁極形狀、鐵芯的飽和和渦流等因素。In this paper, firstly we analyse the distribution of the magnetic field in the permanent magnet canned motor pump which rate power is 15kw, and calculate the reactive electromotive force, armature reactance parameters of this motor pump with no loads and loads
本論文運用有限元方法分析了一臺15kw稀土永磁同步屏蔽電泵內部磁場的分佈情況,得到了在空載、負載等不同情況下,電泵的氣隙磁密分佈磁場,計算了反電動勢和電樞反應電抗等參數。分享友人