繞組系數 的英文怎麼說

中文拼音 [ràoshǔ]
繞組系數 英文
breadth coefficient
  • : 繞名詞1. [書面語] (彎曲) bend2. (姓氏) a surname
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation

    利用建立的rogowski線圈的學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與線圈骨架和線圈熱膨脹之間的關;從兩個方向上分析了干擾磁場對線圈精度的影響;分析了溫度對積分器的影響等。
  2. In the next place, the paper analyses systematically high frequency coaxial winding transformer applied to the load of series resonance converter, puts up its mathematical model, and presents a optimum design

    其次,文中對串聯諧振逆變器的負載高頻同軸變壓器進行了統分析,給出了學模型,並提出了優化設計方案。
  3. In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper

    ( 3 )利用牽引變壓器磁鏈平衡方程,建立了基於統辨識理論的雙單相接線牽引變壓器、阻抗匹配平衡牽引變壓器及scott (斯科特)接線牽引變壓器的「灰箱」模型,該模型考慮了牽引變壓器鐵芯非線性和磁滯效應,但又不直接反映在模型中,並且無需鐵芯的b - h曲線據。
  4. The main research work include ( 1 ) introduces the gemal method and steps of asteroidal magneto design, especially the method and steps of electromagnetism compute, follow these steps, the design parameters such as relative structure dimensions, coil and magnetic circuit parameters can be obtained. this method is easy to use. this thesis also provides a series of experiential coef ficients for the mode

    本文主要工作如下: ( 1 )本文指出了星形磁電機設計的一般步驟和方法,重點討論了電磁計算的方法步驟,據此可以得出有關機械結構尺寸、及磁路參等設計參;本文提出的磁路計算方法,簡單適用;本文還提出了一列關鍵參規范化設計模型的經驗
  5. This paper proves that the changes of pre - compression on the windings have effects on their natural frequencies and derives their relation, which provides the experimental and theories foundation for fault diagnosis of large - scale electric transformers

    通過對大型變壓器進行振動實驗和根據建立的變壓器軸向振動學模型的理論推導,闡明了變壓器預緊力的變化與其固有頻率變化之間的關,這為大型變壓器的故障診斷提供了理論與實踐依據。
  6. The dissertation is organized as follow : first, the characteristics of srm and its control system ' s development are introduced. previously major methods used to implement non - position sensor detection and the significance of making search for this direction is generated. and the configuration and fundamental operating principle of srm are analyzed ; some study of linear model and nonlinear model with phase coil as fundamental parameter are presented and sr ' s linear model and nonlinear model are set up

    本文就以上兩個問題進行了深入研究,首先介紹了sr電機及其控制統的發展歷程,研究無位置傳感器srd的意義和總結已有的無位置傳感器檢測方法,並且通過分析sr電機的結構和運行原理,研究sr電機的線性電感模型和非線性電感模型,建立了電機的線性和非線性學模型,重點研究sr電機的非線性模型,為sr電機運行與控制特性的研究和模擬研究奠定了理論基礎。
  7. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發電機中四個y的中點電位不等,電機內部沒有公共參考點,從而在判斷整流元件導通時,不能象三相同步發電機整流統那樣認為陽極電位最高或陰極電位最低的整流元件導通,本文採用了以線電壓代替相電壓建立十二相整流發電機的學模型,從而解決了十二相發電機無公共參考點的問題。
  8. In chapter 2, the mathematical model of two - phase hybrid stepper motor as a generator is established. then according to the model, the functional relationship is obtained between the terminal voltage of stator winding and continuous rotor position

    第二章,建立了二相混合式步進電機的發電模型,並進一步簡化得到定子端電壓與轉子轉角之間的函式,為步進電機實現連續角位移測量的研究奠定理論基礎。
  9. Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt

    論文以開關磁阻電動機的理想線性學模型為理論基礎,對其原理特性進行了說明,對開關磁阻電動機的控制特性(轉速、轉矩) 、可控參(導通角、關斷角、相電流、端電壓)與控制策略(電流斬波、電壓斬波、角度位置控制等)及它們之間的關進行了研究和分析。
  10. The system takes both advantages, the former is fast and convenient characteristics of dasylab in building a control and measure system, and the latter is the powerful program function and abundant control button of labwindows / cvi. it can acquire, analysis and save the real - time data in the experiments of the lim and electromagnet meanwhile, it can control the start / stop of the lim. electromagnet and dc motor, as well as it can control the change of the voltage and frequency of the lim. the exciting windings voltage and rotor windings voltage of the dc motor

    整個測控統利用了dasylab建採集分析統的簡單快捷和labwindows cvi豐富的控制項與強大的編程功能,將兩者的優點有機的結合起來,可以完成直線電機及電磁鐵試驗中的據採集、分析、存儲,並且可以控制試驗中直線電機、電磁鐵、直流電機的啟動與停止,對直線電機電壓、直線電機電壓頻率、直流電機勵磁電壓、直流電機電樞電壓、電磁鐵電壓的大小進行控制。
  11. In this thesis, the mathematical model of transitional process is built up during salient - pole synchronous motors ( asynchronous starting based on the state equations under d - q frame, simulation model about asynchronous starting using matlab software is set up. it proves the novel exciting winding control way through analyzing and studying the simulation curves, and provides the best exciting in towards polarity way using " stator - electricity " during salient - pole synchronous motors ( asynchronous starting through analyzing the fault of traditional way to exciting

    通過分析d q軸下的凸極同步電動機狀態方程,建立了凸極同步電動機異步起動過渡過程的學模型。利用matlab模擬軟體建立凸極同步電動機異步起動模擬模型,通過模擬曲線分析、研究,證明本文提出的新型勵磁控制方法的正確性,並通過分析傳統投勵方法的缺陷,提出了"定子電量法"實現凸極同步電動機最佳順極性投勵的方法。
  12. And power loss analysis of srs and the layout design related to srs are very important to the proper design. with a small signal mathematic model of half - bridge converter, the relationship between performance of power supply and frequency domain characteristics of the system is analyzed. based on the above study and some simulation the system design is completed

    文中在給出了結合單自驅動方案的對稱半橋變換器穩態原理分析、同步整流管損耗分析暨選擇原則、同步整流管相關電路的布局設計后,建立了對稱半橋變換器的小信號學模型,分析了電源統時域性能指標與頻域特性之間的聯,在此基礎上完成了統的設計。
  13. The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )

    論文在討論了直線直流步進電動機工作機理的基礎上,根據兩相混合式直線直流步進電動機( hdclsm )集中的通電特點和脈沖步進控制方法,採用單片機為核心控制單元,提出了兩種字控制方案,分別就每種控制統技術方案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。
  14. Under the conditions of high safe coefficient of insulated electrical strength of the stator winding of the generator, the selection of earthing resistance value should meet the needs of matching one - point earthing protection of the stator and limiting the fault current

    在發電機定子絕緣電氣強度有較高的安全的情況下,接地電阻值的選取應主要服從與定子一點接地保護的配合及限制接地故障電流的需要。
  15. This system is designed to measure motor ’ s three important parameters including stator coil inductance, stalling torque and back emf. all of these test results are used as basis for product detect

    設計這套測試統用來檢測電機定子電感、堵轉扭矩及反電動勢等三個重要電機參,把其結果作為檢驗產品質量的依據。
  16. We took the high frequency flyback converter design as an example and made a calculation model of the total loss of the high frequency flyback transformer. on basis of the caculation model combined with the systemic method of designing dc - dc converter, and the method which is base on the current shape, is presented to achieve the appropriate parameters of the flyback transformer, an optimized approach to design high frequency dc - dc converter is given in this paper. the appropriate parameters were achieved by genetic algorithm. through this method, a practical high frequency flyback

    2 .在理論分析的基礎上,以優化高頻變壓器的磁芯損耗和損耗為目標,以單端反激式變壓器為例建立了高頻變壓器的總損耗計算模型,在該損耗計算模型的基礎上結合從統角度設計dc - dc變換器的方法和考慮電感電流波形對變換器設計的影響,採用一種基於遺傳演算法的高頻dc - dc變換器的優化設計方法,該優化方法實現是通過遺傳演算法計算得到設計參的最優取值。
  17. According to the theory of electromagnetic fields and temperature fields, the distribution of electromagnetic fields and temperature fields of the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper

    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的大型水輪發電機的電磁場,並分析了電磁場和溫度場的耦合關,進而得出電機內的溫度分佈。
  18. The set of these eigenvalues can be regarded as the eigenvalues of primary system approximately. this method not only can control the scale of the block - decoupling subsystems, but also achieves the reduced - order eigenvalue calculation for multi - machine power system. so this method can avoid the dimension disaster in the qr and calculate all the eigenvalues of large power system with the effect of damping windings considered

    這一方法可以控制分塊解耦子統的規模,實現多機統特徵值的降階計算,避免特徵值qr演算法的「維災難」 ,同時為採用計及發電機阻尼作用的詳細模型計算大型電力統的全部特徵值、提高電力統小擾動穩定分析的準確性提供了一種方法。
  19. The researcher could use the ansys software to design and analyze the motors who did n ' t know the ansys software very well by the special purpose software packets. the influence of a centralization winding brushless dc motor structural design parameter and magnetic field were analyzed, and a way to achieve the fix position angular force was brought out

    利用上述軟體研討無刷直流電機的定位轉矩的求取方法;分析集中式的無刷直流電機各結構設計參對磁場的影響,嘗試求取、分析空載漏磁,討論如何削弱定位轉矩。
  20. We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences

    統中採用三個獨立通道分別檢測無刷電機三相的反電勢的各自過零點,同時在軟體中採用字濾波以消除其它噪聲干擾,使檢測電路檢測到的反電勢過零點更加準確可靠,實現了對五位置傳感器直流無刷電機的字控制。
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