限流分路器 的英文怎麼說

中文拼音 [xiànliúfēn]
限流分路器 英文
limiter shunt
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了制寬帶放大頻帶寬度的因素,通過析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;析了不同電組態對放大頻率特性的影響、節點電壓對電壓模電、電模電頻率特性的不同影響,根據應用於雙極晶體管電的跨導線性原理,提出了採用mosfet構成的電模放大電、電傳輸電、輸出電以及由它們所組成的寬帶放大,獲得了良好的頻率響應。
  2. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線板結構緊湊,電源部採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的件; ( 4 )按照軟體工程的要求進行系統析,規劃系統框圖、析、模塊劃,減小了不同模塊的相關性,從而最大度避免了錯誤的發生。
  3. This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection

    本文對四邊形和方向圓特性阻抗繼電躲線最大潮的能力進行了詳細析,提出了距離保護負荷制電阻的整定原則和整定方法。
  4. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有元法進行了模擬析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝程和關鍵工藝技術;對敏感晶元內部的c - v介面電進行了原理設計與析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  5. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細析了與rwa相關的光網關鍵技術,包括傳輸、交換、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細析,選擇恰當的件參數進行了數值模擬,並提出了抑制措施(如雙重濾波、優化判決門、選擇恰當的復用波長數) ; 3 .研究了光網的r認叭的基本原理、與r認叭的幾個相關問題(光網類型、業務類型、量類型、光網生存性) 、 r認人演算法的類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光的概念,對網資源進行狀態類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光可為部新到的連接請求快速建立連接,從而提高網性能;研究了以多光纖網連接阻塞率為優化目標的r認城演算法,提出了以節點度數、每個波長層的空閑光纖數以及由策略決定的幾種鏈權重函數,利用基於波長層圖模型的并行r場人演算法模擬,利用新的鏈權重函數使得演算法具有更優的性能,使網具有更低的連接阻塞率。
  6. This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time

    本文針對plc無功調度曲線控制,結合整個研製過程,在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述,並給出了部程序程簡圖(由於梯形圖網數太多,受篇幅制沒有給出) 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識,在設計過程中,我們查閱了大量相關的資料,在充調查、析、研究的基礎上,結合桓仁發電廠實際情況,首次提出並研製出了plc無功調度曲線控制
  7. It ' s well known that the project documentations " storage and management have an very important effect on the development of all kinds of project, and as the information age is coming, network technology has been applied to this procedure gradually. this article mainly introduces the study and realization of a internet - based project documentation storage and management system which application programming frame is built with delphi6. 0 and sql server2000. based on the tcp / ip protocol, the system try to establish a c / s model with connection - oriented, dependable stream sockets and multithread technology to complete some especial data communications by networks, such as the files of project, directory of user, all self - defined commands or messages and their parameters, and so on

    本文所研究的《基於internet的項目文檔存儲管理系統》通過delphi6 . 0和visualc + + 6 . 0相結合的開發平臺,結合sqlserver2000 ,將client server模式的數據庫技術和windowssocket網通信技術進行集成,遵循tcp ip協議,同樣採用c s結構運行於internet ,通過服務將處于各個不同物理位置的客戶機連接起來,形成一個交平臺;其中,引入了目前國際上行的先進的安全管理控制方法? ?角色控制理論對用戶進行權配,使擁有相應角色的人具有相應權;然後系統自動根據組織部門或用戶的設立在服務端生成相應的網「虛擬文件櫃」 ,使擁有相應權的人可以對相應文件櫃中的文檔進行整理;再通過多線程技術和windows套接字通信機制在tcp ip協議上實現了單個文件及目錄的傳輸。
  8. High - voltage fuses. part 3 : determination of short - circuit power factor for testing current - limiting fuses and expulsion and similar fuses

    高壓熔斷.第3部:試驗熔斷和排氣式及類似型式熔斷的短功率因數的測定
  9. After that, the author discusses a novel solid states limiting technology and provides a single - phase solid states bridge current limiter and a main circuit topology of three - phase fault current limiter. it can be found that the new type of three - phase solid states bridge current limiter can handle the fault conditions more flexibly. it can not only remove the fault circuit, but also control the value of stable fault current to cooperate with the existing line three - segment relay

    繼而,介紹了一種新型固態技術,給出了單相、三相的主電拓撲,析了其基本工作原理和控制方式,指出以全控橋結構為基礎的變壓耦合橋式能夠更加靈活地處理電力系統的各種短故障,及時地制短,並與現有的線三段保護相配合,還可根據需要實現及時切除故障電,在故障恢復時軟重合閘。
  10. This function will help user to complete the whole carrier gas system test with a vial and get a high reliability

    使析質量更為可靠。如圖所示,用戶選定泄漏測試,儀將進入全泄漏測試(包括樣品瓶在內的) ,最大度地保證儀可靠性。
  11. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為,超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而,隨著最近幾年來實用高溫超導材料的研製取得重大的進展,高溫超導電力技術的應用已經成為現實,預期將在2010年左右出現大規模的應用,並將帶來電力工業的革命.因此,下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快,電能需求量增加十迅速,對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要,超導電力技術是實現我國電力發展目標的必由之.文章有代表性地介紹了超導電纜、超導、超導磁儲能系統、超導變壓和超導旋轉電機等的基本工作原理及研究發展歷史,並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  12. In non - selfsustained discharge the excitation and ionization processes can be controlled separately, which is useful to optimize the e / p value of the discharge. the ballast resistance can be leaved out and the maximal electro - optical efficiency reaches 19 %

    非自持放電使激光的激發和電離過程開,有利於使二者別處于各自的最佳e p值附近,放電的正阻抗特性使放電電可以省去電阻,極大地提高激光的實際效率。
  13. 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/大電輸出的小功率dc / dc變換,圍繞著變換的效率問題,析了同步整的原理和特點,重點闡述了自驅動同步整在低功率場合的優勢,在析比較了多種與自驅動同步整相結合使用的電拓撲后,指出常規的自驅動同步整方案制了與之結合使用的電拓撲的范圍這一局性,從而給出了一種新穎的單繞組自驅動同步整方案。
  14. Vacuum circuit breaker, drop - out fuse, current limiting fuse, hv fuse, lightning arrester, load switch, power cable distribution box, ring - type net switch station, intelligent power distribution automation system, box transformer substation, hv switchgear cabinet set, lv switchgear cabinet set, isolating switch, hv synthetic rubber insulator, etc. high technology is the source of sunrise development " continuous improvement, keep learning to succeed " is our concept. the group has established a long - tem cooperation with uk birmingham university. electric power research institute of china

    主要生產126kv以下輸變電設備,主要有真空斷跌落式熔斷熔斷高壓熔絲避雷負荷開關電纜接箱環網開關站智能配電自動化系統箱式變電站高壓成套開關櫃低壓成套開關櫃隔離開關高壓合成膠絕緣子等14大系列800多種規格。
  15. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢,針對成都乘風閥門有責任公司閥門設計現狀,本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統,主要完成的工作和成果如下:根據公司提供的幾種不同結構閥門的二維工程圖紙,利用mdt三維設計平臺建立了三維參數化基本圖形庫,其中包括所有零部件和總裝配模型圖及二維工程圖;依照閥門設計的一般步驟設計了參數編輯,用來對閥門尺寸參數進行編輯、輸入、輸出等,具有參數雙向同步顯示功能,使用十靈活方便;根據用戶的需求,為了使設計達到精確、可靠、實用的要求,設計開發了輔助計算,能自動完成閥門設計過程中所需的各種結構計算,並可以輸出閥門設計計算說明書;為了使設計人員更具有競爭力,本系統利用internet intranet技術設計開發了虛擬設計中心子模塊,虛擬設計中心集成了網會議、終端服務、超級鏈接等功能,可以讓設計師直接使用服務上的應用程序,與intranet internet上的其他設計專家進行交、共享軟體資源,實現遠程協同設計。
  16. Overvoltage protection of vacuum circuit breaker

    真空斷過電壓的析及其制措施
  17. ( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability

    ( 3 )關于中科院大氣物理研究所第三代海洋環模式的高效并行計算? )基於對有離散的析,提出了一個面向顯式時間積并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型,指出了網速度與處理速度間的落差使得採用冗餘計算取代部通信成為一種具有相對優勢的實用技術。
  18. An improved finite volume technique and total variation diminish scheme has been presented for solving the numerical problem with complex flow gas and space time processing synchronously, based on analysis of some numerical method for increasing the convergence, precise and strong capture capacity of shock wave

    針對高壓sf _ 6斷場求解的復雜性和特殊性,在對常用氣場數值求解方法應用特點析的基礎上,本文採用改進的有體積tvd格式進行斷場數值求解,提高了解的收斂性、準確性和激波的捕捉能力。
  19. Magnetic circuit finite element analysis and optimum design method of a mr damper

    變液阻尼的磁析與優化設計方法
  20. One kind of analysis method that is fit for a more complex system, is also proposed

    對故障在系統發生短故障瞬間的電壓跌落問題進行了析。
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