電機極對 的英文怎麼說
中文拼音 [diànjījíduì]
電機極對
英文
port- 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...
- 機 : machineengine
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
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A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )
在yj ?緊裝式六面頂壓機上,對原有的礦物、巖石電性測量系統進行了進一步的改進:建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器,使用mo電極和mo盾來控制樣品氧逸度的測量系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖對。In this paper, in order to study the influence of electrolyte to the lithium - ion battery performance, we assembled the lithium - ion battery using the different electrode material ( limn _ 2o _ 4, licoo _ 2 and natural graphite ) and the electrolytes which were mainly composed of lipf _ 6 as the electrolyte lithium salt and the different solvents ( including additives ) which were mixed according to the certain proportion
本論文主要以lipf _ 6為電解質鋰鹽,採用不同溶劑(添加劑)按一定比例混合,對有機電解液進行優化,與不同的電極材料( limn _ 2o _ 4 、 licoo _ 2或天然石墨)組裝成電池,研究電解液對鋰離子電池性能的影響。We put forward the compressed electret micromotor model by improving the structure of classical electret motor. compared with classical electret motor, compressed electret micromotor has some particular superiorities
通過對經典駐極體電動機進行結構改造,提出了扁平駐極體微電機的模型,它具有經典駐極體微電機無法比擬的優點。The author explains the selection of frequency converter, motor and their ancillaries, as well as related verifying formulae in the scheme
對方案中如變頻器、電動機極其輔件的選用以及有關驗算公式做了說明。The analysis of fluorocarbon resin content in fluorocarbon lacquer by using oxygen bomb burning method with fluorin ion electrode are discussed in detail
摘要採用氧彈燃燒法配合氟離子電極對有機濃劑型和水溶性氟碳漆中氟碳樹脂含量的分析方法進行了研究。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 influence of separating magnetic flux method of rotor with u ' s and tangential permanent magnet to the pole - to - pole leakage factor is analyzed by finite element method ( fem ), and given the rule of design
通過對pmsm進行電磁場求解,分析了u型結構和切向結構轉子磁路結構的隔磁措施對電機極間漏磁系數的影響,提出了設計準則。Third, this thesis analyzes the angle - control theory based on half bridge converter, and proposes a new way to find the optimized angle. simulation is performed to verify the results. then, this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor, which mainly discusses the speed and current loops and angle optimization control
再次,本文介紹了角度控制與電機轉向的關系,並對基於半橋變換器的電勵磁雙凸極電動機換相角與相電流及輸出轉矩的關系進行了理論分析和模擬驗證,提出了優化電勵磁雙凸極電機換相角的方法。So the study of faults diagnose system and test technology of large - scale hydropower units is very impendency and important
所以,對大型水電機組故障診斷系統及測試技術的研究是十分迫切而又極為重要。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。Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system
文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上,提出了一種基於sspd (自掃描光電二極體列陣)與8098單片微處理器自動調焦的整體技術方案,給出了基於圖像高頻成分統計的聚焦判識演算法,在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦,同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。Based on the nickel electrodeposition process, the nickel electrodeposition mechanism, the electrochemical nucleation of nickel on vitreous carbon, the redox process of black nickel formed on anode, the nitrogen evolution on anode and electrocatalytic activity for nitrogen evolution of ti based iro2 anodes were investigated systematically
本文在前期工藝研究的基礎上著重對氨絡合物體系電積金屬鎳的反應機理、鎳在玻璃碳上的電化學成核機理、陽極黑鎳的形成機理、陽極析氮過程及ti基iro _ 2塗層陽極對析氮的電催化活性進行了系統研究。Electrocatalytic oxidation of small organic molecules on pt - sn electrode
電極對有機小分子的電催化氧化By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system
摘要通過注入特定的高頻電壓信號,利用電機的各向異性以確定轉子的凸極位置,在同步電機無傳感器矢量控制中,對包括零速度在內的所有速度下都能獲得精確的轉子位置信息。With the development of electric power, the problem of vibration on turbogenerator shafts stands out. a deep research on vibration mechanism is carried out. and valid method for preventing and diagnosing fault is explored
隨著電力工業的發展,汽輪發電機組振動問題越來越突出,人們對相應的振動機理開展了深入的研究,並積極探尋有效的故障預防和診斷方法。The resistance and leakage inductance of ten slots are calculated according to the calculation result of non - linear electromagnetic field of the induction machine with compound cage rotor
根據復合籠條轉子感應電動機一對極下的非線性時變場的求解結果,計算了10個槽的電阻和漏感。Henceforth, we calculate the saliency ratio of improved motor by the way of " electromotive oprce method ", and simulate the start processions of original motor and the improved motor with matlab language. from the result of simulation, we can find that the improved motor have better pefformance than the original motor
此後本論文運用「電勢法」計算出轉子結構改進后永磁同步電動機的凸極比,並利用matlab語言對改進前後電機的起動過程進行計算機模擬,模擬結果表明改進后永磁同步電動機能獲得更好的起動性能。The influence on the electromagnetic parameters, by the change of air ply, permanment magnet length and the magnetic pole arc coefficient, are calculated by the ansys software. the optimum parameter of the magnetic pole is obtained by solving the magnetic field
運用有限元分析軟體ansys分析了通過改變電機極弧系數、磁鋼厚度和氣隙厚度對電機磁場的影響,以電機性能和磁鋼利用率為目標對這些參數進行了優化。Change pole motor
變極電動機極對數可變The structure and starting / generating integral working principle of dsem is firstly explained in this thesis. starting control mode and generating reason of starter / generator were introduced, and the back electromotive force ( emf ) of starting state and generating state was also analyzed
本文首先闡述了電勵磁雙凸極電機的結構與起動/發電一體化工作原理,介紹了起動/發電機的起動控制模式和發電機理,對起動/發電機起動狀態和發電狀態的反電勢進行了分析。分享友人