電子功率供應 的英文怎麼說
中文拼音 [diànzigōnglǜgōngyīng]
電子功率供應
英文
electronic power supply- 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 功 : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
- 率 : 率名詞(比值) rate; ratio; proportion
- 供 : 供Ⅰ名詞1 (供品) offerings 2 (口供; 供詞) confession; deposition Ⅱ動詞1 (供奉) lay (offerin...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 電子 : [物理學] [電學] electron
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Analog integrated circuits for telecommunications and power electronics applications ; power management integrated circuits and systems
供電信及功率電子應用的模擬集成電路;功率集成電路及系統The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply
交流勵磁發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵磁繞組,由變頻器提供對稱交流電勵磁,且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速,使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption
本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢;採用輸出頻率可調的正弦波電流作為勵磁電流達到消除50hz頻干擾和減少正交干擾的目的;利用單片機等高端現代電子產品實現了電磁流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls旋轉流量計。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。Based on all kinds of professional components of gis can be seen in the market, which are mapobjects and arcobjects of esri, mapx of mapinfo, geomedia of intergraph, mapgis of wuhan, supermap of peking, etc. the functions and background of the electronic map system, arcgis, which is an object - oriented program language, is integrated the latest computer technologies and gis technologies. ao is object oriented language, supported by the functions of arranging, analysis, display of spatial data and enhances the application efficiency, most users, which are not familiars with the knowledge of complicated concept and operation of gis, can use it freely. so the author selects vb and ao to develop application system of gis
分析市場上可以看到各種各樣的gis專業組件,例如esri的mapobjects和arcobjects 、 mapinfo的mapx 、 intergraph的geomedia 、武漢的mapgis 、北京的supermap等,從人口電子地圖系統的產生背景和功能要求出發,根據arcgis將目前前沿的一些計算機技術、 gis技術很好地融合起來,並且由於ao是使用面向對象技術的開發語言,且又提供完備的空間數據的分析、處理、顯示等功能,可以有效地提高應用系統的開發效率,且具有良好的外觀和完善的功能,使用戶不再需要復雜的gis概念和操作就可使用,所以,本系統的研製選擇了vb和ao相結合的開發方式。We combined the cvd technique with the pecvd technique by adding a dc or rf electric field to the reacting region of cvd device, and improved the inputting method of reaction gases, then had executed a diamond film growth system. the advantages of our system are : ( 1 ) reaction power, which can enhance the density of the plasma in the reacting region, is supplied with the heat filament and the dc electric field, or with the heat filament and the rf electric field both of them can be controlled precisely and they are complementary to each other
將熱絲cvd技術與pecvd技術相結合,在薄膜的成核和生長階段分別給反應區再施加一個直流和射頻電場,同時改進反應氣體的進氣方式,製成具有下列兩大特點的金剛石薄膜生長系統: ( 1 )反應功率由熱絲和直流電場或熱絲和射頻電場共同提供,兩者互相補充,可精確控制,大大提高了反應區的等離子體密度; ( 2 )能精確控制反應氣體的分佈、流量及流速。The rectifier scheme that direct current supplying with power electronic equipment is obtained by alternating current being rectified is widely applied in power electronics field. however, the rectifying circuits result in input current distortion, input power factor greatly decrease
從電網獲取交流電經整流后為設備提供直流電是電力電子技術中應用極為廣泛的一種整流方案,然而由這種整流方案設計的電路使輸入電流產生嚴重的畸變,其諧波電流嚴重污染了電網,輸入端功率因數大大下降。分享友人