繞組比 的英文怎麼說
中文拼音 [ràozǔbǐ]
繞組比
英文
ratio of winding-
Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。However, the result of the simulation, in which all the parameters are kept constant except the primary and secondary inductance, is that 3 % higher conversion efficiency can be achieved in ccm than in dcm
但對輸出功率和繞組電阻相同時逆變電路模擬結果表明， ccm的效率比dcm提高了三個百分點；試驗結果說明盡管ccm的繞組電阻比dcm的大，變換器效率仍提高了1 . 5 。Fos + / th + / gfap + and fos + / vp + / gfap + triple labeled n - asc could be found in the mvz, pvn and son respectively ; ( 2 ) under electronic microscope, the astrocytic processes connected closely with the dendrites or axons of the neurons, where the bilateral membranes became thick. we call transiently it electron - dense areas ( edas ). the number of edas increased remarkably following hyperosmotic stimulation ; ( 3 ) when trace retrogradely, wga - hrp was microinjected into the unilateral son, pvn or nucleus of solitary tract ( nts ) respectively using the stereotaxic method, the n - ascs formed by the neurons triple - labeled with hrp / fos / th ( or vp ) and astrocytes labeled with gfap could be found in the mvz, son and pvn respectively ; ( 4 ) after being treated with heperosmotic nacl solution, intracellular calcium concentration in cultured hypothamic neurons and astrocytes increased and then decreased
腦內gfap陽性結構也明顯增多，其分佈與fos陽性細胞分佈基本一致，表現為胞體肥大、突起粗長； ast緊密包繞在神經元周圍形成神經元- ast復合體（ n - asc ） ；在mvz 、 pvn和son三重免疫組化染色切片上可見到fos + th + gfap +第四軍醫大學博士學位論文和fos vp gfap三重標記asc ； （ 2 ）免疫電鏡下son內星型膠質細胞突起與神經元樹突或軸突之間接觸部位出現增厚的膜結構一電于緻密區（ edas ） ，高滲刺激后數量明顯增多： （ 3 ）將們個mp注入大鼠一側n卜、卜卜或孤束核（ ws ） ，分別在延髓內臟帶（ mvz ） 、 so和pvn內出現fos hrp th 、 fos hrp八p三重標記神經元和gfap陽性標記ast形成的n asc ； （ 4 ）高滲刺激使培養神經元和ast內鈣水平先升高后降低，最後維持在比高滲刺激前稍高的靜息鈣水平上。Although the accuracy in meterological forecast of tropical cyclones has been distinctly improved, it is still a difficult problem confronting masters and anti - typhoon team leaders of the companies how to steer clear of typhoon reasonably and safely in case that the actual resistance to typhoon is strong enough, the sea area wide enough, and the time permitting ; to avoid unreasonable deviation, anchoring for shelter, blindly rushing onto her path, being involved in storm area, even into the the center of typhoon ; under the limitation of the condition of the sea area and time. how to take correct meassures to escape, such as navigating with wind or windward in bias angle, slowing down, anchoring, berthing alongside the warf, mooring to buoy, etc. as early as possible
盡管氣象部門對熱帶氣旋監測預報的準確率已經比過去有了明顯的提高，然而船舶在海上如何避離臺風，如何做到在本船實際抗風能力允許、海域條件允許、時間也充裕的前提下合理避臺，安全避臺，避免不合理的繞航、 「扎風」 ，避免盲目冒進「搶風頭」 ，更避免被捲入強風區甚至臺風中心；在海域條件受限、時間尷尬的情況下又如何正確採取偏順航、偏頂航、滯航、錨泊、系岸、系浮等抗臺措施和技術，盡快擺脫臺風的影響，仍然是擺在船長和公司防抗臺領導小組面前的一個實實在在的難題。In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the
本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。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 work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating
本文闡述了定子雙繞組發電機的基本工作原理，基於matlab軟體建立了定子雙繞組感應電機發電系統的模型，並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等，從而摸清了該系統的特性，尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性，從而為該系統的工程實現奠定了重要的理論基礎。The standard system of the university performance audit must be established on economy, efficiency and effectiveness and constituted by the standard of economy and efficiency, the standard of effectiveness and the good system standard, in which the standard of economy and efficiency is reflected through funding structure, fund balance ratio, the resource use efficiency indicator and the fund use structure indicator ; the standard of effectiveness is reflected through educational standard, research capabilities, student training quality and social well - known and recognized degree ; the good system standard is reflected through school running thoughts, school target positioning, school regulation building, school
高校績效審計標準體系必須圍繞經濟性、效率性和效果性來建立，由經濟性效率性標準、效果性標準、良好制度標準三部分組成。其中經濟性、效率性標準通過經費來源結構、經費結余比率、資源利用效率指標、經費使用結構指標四方面來反映;效果性標準通過辦學水平、科研能力、學生培養質量、社會知名和認可程度等指標來反映;良好制度標準通過學校辦學思路、學校目標定位、學校規章制度建設、學校教學質量監控及測評系統等方面來體現。Evaporative cooling has been regarded as a new cooling technology on hydro - generator, and it not only could increase the ratio of material utilization and reduce the difficulties of making large - scale hydro - generators, the running difference in temperature, the stress of the generator ' s stator and the possibilities of the incidental occurrences, but also has better performance than internal water cooling
蒸發冷卻作為水輪發電機的一種新型冷卻技術，不僅可以提高材料利用率，減小特大型發電機製造難度，降低發電機定子繞組運行溫差和發電機定子的應力，減少事故隱患，更重要的是蒸發冷卻比水內冷具有更好的優越性。The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches
本文針對低壓/大電流輸出的小功率dc / dc變換器，圍繞著變換器的效率問題，分析了同步整流的原理和特點，重點闡述了自驅動同步整流在低功率場合的優勢，在分析比較了多種與自驅動同步整流相結合使用的電路拓撲后，指出常規的自驅動同步整流方案限制了與之結合使用的電路拓撲的范圍這一局限性，從而給出了一種新穎的單繞組自驅動同步整流方案。Based on the consulting and analyzing of many correlation literatures, the visit of the correlation institutions and experts and the survey of many fields, the dissertation is instructed by the theories of economics, international trade, and industrial organization from the point of macroscopic view. meanwhile, the paper makes a systematic research on the outlook and cooperative mode of china - korea farm produce trade under the frame of wto, by using the methods of system analysis, comparison and induction, cause and effect analysis, index evaluation in five aspects such as the economic communication actuality, agricultural comparable advantage, influence on china - korea farm produce trade caused by china ' s entering into wto and cooperative schemes of farm produce trade about the agricultural cooperative issue
本文在大量查閱分析國內外相關文獻、走訪有關機構和專家、到實地調研考察的基礎上，從宏觀的角度，以經濟學、國際貿易、產業組織等理論為指導，組合運用系統分析、比較歸納、因果分析、競爭力指標評價等方法，圍繞中韓兩國的農業合作問題，從中韓經濟交流現狀、中韓農業的優勢比較、中國加入wto對中韓農產品貿易的影響、中韓農產品貿易合作方案等五個方面，對wto框架下中韓農產品貿易前景與合作模式進行了較深入系統的研究。The no - loading emf of prototype and the no - loading emf of conventional generator are contrasted and analyzed, in the condition of considering the influence of damping winding and core saturation
並在考慮鐵心飽和、考慮阻尼繞組影響情況下，將傳統發電機的空載電勢與電力發生器樣機的空載電勢進行了比較、分析。According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too
由求得的樣機空載電勢波形畸變率可知，該樣機滿足國家設計標準和工程實用要求，更重要的是，實現了產生高壓的目的；考慮鐵心飽和、考慮阻尼繞組影響情況時，電力發生器與具有相同尺寸（除定子槽形）的傳統發電機相比，空載齒諧波電勢對電力發生器的影響較小，前者的空載波形畸變率較小。Firstly, the experimental phase current and input power data obtained from load test are employed to estimate the parameters in ii rated condition. then, the phase current and input power data in locked rotor condition are used to track the variation of the parameters of the secondary coil with slip frequency. the classical method and the direct modification method are also used to estimate the parameters of the induction machine in comparison with this technique
首先利用了負載試驗的定子電流和輸入功率數據來識別額定工況下的電機參數，然後又使用了堵轉時的定子電流、輸入功率數據來識別電機二次繞組參數隨轉差頻率的變化，並與傳統參數測試方法和直接修正參數法進行了比較。Using two pole - pair slot - number phase graph to design two - layer pole - changing windings with far pole ratio
用雙極對槽號相位圖設計雙層遠極比變極繞組In the next, we discuss the system of the meg - 1 layer i. the paper centers on the two kernel sub - parts : filtering coding and psychoacoustic model, do some research work in sub - band coding ( cbc ) theory and the relate theory such as quadrature mirror filter ( qmf ) and analyse sub - band filter ; also do research work in psychoacoustic theory especially the part related to the mpeg - 1 layer i. in the third chapter, introduce the ti tms320c6000 series dsps and their characteristics, also about the software development flow and the ti dsp / bios operating system of it. the forth chapter is the most important, firstly, according the algorithm flow in protocol, using c language validate the algorithm ; then, transplant and optimize the coding in dsp. in the processing of optimize, acording the assembler program characteristic of ti dsp, the paper put forward the analyse sub - band filter dsp optimization algorithm base on the eight spot idct. the algorithm has been optimize have greatly improved the work efficiency. make use of the technology of the dsp / bios host channels, data io pipe, software interrupt, we implement the musicam algorithm base on dsp / bios
論文首先對當前語音編碼技術的發展、分類以及mpeg系列音頻標準作了介紹；接著在第二章，給出了layer的musicam （ masking - patternuniversalsubbandintegratedcodingandmultiplexing ）演算法的系統組成，圍繞分析子帶濾波器和心理聲學模型兩個核心模塊，深入研究了子帶編碼工作原理、比特分配及子帶編碼中用到的正交鏡像濾波器和分析子帶濾波器；探討了心理聲學基本原理和mpeg . 1layer所用到的心理聲學模型。第三章對titms320c6000系列dsp作了簡介，介紹了6000系列dsp結構特點、 c6000dsp軟體開發流程和tidsp / bios操作系統。第四章是本文的重點，首先根據協議給出的演算法用標準c語言編程實現並調試通過。Based on koch & laurent ' s viewpoint on three requirements for explaining the behavior of complexity system, this thesis focuses on the theoretical and empirical study of the following four research questions by comparison, integration and development of different disciplines and methods such as organization theory, innovation theory, the theory of the firm, complexity science, system theory, organizational learning and knowledge management, and psychics : ( 1 ) critical success factors ( csfs ) of organizational innovation of manufacturing enterprises in the it - based networked environment ; ( 2 ) the systematic behavior of organizational innovation and its complexity ; ( 3 ) the correlation among environmental turbulence, organizational innovation elements ( organizational culture innovation, it innovation, processes innovation and organizational structure innovation ), organizational innovation competence and organizational performance ; ( 4 ) the pattern of integrated organizational innovation ( ioi ) of manufacturing enter prises in the it - based networked environment
因此，本研究以問題為導向，從跨學科角度藉助組織理論、創新理論、企業理論、復雜性科學、系統論、組織學習、知識管理和心理學等不同學科理論與方法的比較、融合與發展，遵循koch & laurent （ 1999 ）所指出的解釋系統行為的三點要求，緊緊圍繞網路環境下製造企業集成組織創新機理與模式所包含的四個具體研究問題，從以下四個方面對網路環境下製造企業的集成組織創新進行了理論和實證研究： （ 1 ）網路環境下製造企業組織創新的關鍵成功因素； （ 2 ）網路環境下製造企業組織創新的系統行為及其復雜性； （ 3 ）網路環境下製造企業組織創新要素（信息技術創新、組織文化創新、流程創新和組織結構創新）和組織創新能力之間的互動關系及其對組織績效的作用機理； （ 4 ）網路環境下製造企業的集成組織創新模式。In order to improve the veracity of pttdm, it ' s necessary to correctly calculate the planar transformer ' s heat sources which include the winding and core losses
為了提高平面變壓器熱設計方法的準確性，必須比較準確的計算平面變壓器的熱源，即變壓器的繞組和鐵心損耗。The variety of voltage ratio reacts to not only the insulation status of transformer winding but also the fault of winding short
變壓比是變壓器的重要參數，變壓比的變化與變壓器繞組的變化有密切的關系。On the same winding, at most three taps can be made to form four transformer ratios, but the difference between maximum current and minimum current should not exceed one time ( for example : 150 - 200 - 250 - 300 / 5a )
在同一個繞組上最多可三次抽頭，組成四變比，但最大電流與最小電流相差不能超過一倍（如： 150 - 200 - 250 - 300 / 5a ） 。分享友人