橋變 的英文怎麼說

中文拼音 [qiáobiàn]
橋變 英文
bridging
  • : 名詞1. (橋梁) bridge 2. (姓氏) a surname
  1. A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter

    本文在對近年來電力電子學科的發展高度綜述和對現代高頻軟開關功率換技術理論基礎深入研究的基礎上,對傳統的移相控制zvspwmdc dc全橋變換器的工作原理、電路特性、存在的缺點進行了分析,在此基礎上提出了一種改進型的移相控制zvzcspwmdc dc全橋變換器。
  2. The thesis includes two parties : research on 2kw multi - function ac excitation power and study on high voltage high power ( hh ) dc / dc full - bridge converter

    論文包括兩個部分: 2kw多功能交流勵磁電源研製和高壓大功率dc dc全橋變換器研究。
  3. Dc / dc full - bridge converters is widely used under the situation which needs middle and high power supplies, so the investigation into its soft - switching technologies is very significant

    Dc dc全橋變換器廣泛應用於中大功率場合,因此研究其軟開關技術具有十分重要的意義。
  4. Phase - shifted zero - voltage - switching pwm full bridge converter can realize zvs for the power switches with the use of the leakage inductance of the transformer and the intrinsic capacitors of the power switches, so it is used widely for medium and high power applications

    移相控制零電壓開關pwm全橋變換器利用壓器的漏感和開關管的結電容可以實現開關管的零電壓開關,在中大功率的場合應用廣泛。
  5. ( 3 ) modeling of the asymmetrical half bridge converter in the thesis, a small average circuit model of asymmetrical half bridge converter power stage is established by method of state space averaging. in term of it, a system model of total converter is founded. the characteristic of stabilization and dynamic is analysed and the compensator is designed basing of it

    ( 3 )不對稱半dc dc換器的建模分析採用狀態空間平均法建立了不對稱半橋變換器功率級的小信號平均電路模型,在此基礎上建立整個換器系統模型,對系統的動態特性和穩定性進行了分析並設計了補償器。
  6. 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。
  7. Attach much importance to develop advantageous parts and components assemblies as high - power engine, vehicle bridge, gearbox and etc

    重點發展大功率發動機、車速箱、等具有比較優勢的零部件總成。
  8. Henan nanyang shiqiao transformer factory

    河南南陽石橋變壓器廠
  9. As an example, the paper presents the design of static adjustable reactive compensation with step - down transformer for ying shuiqiao traction substation ( tsc ), the design of the over compensatuion of dynaminc state imbibe system during no travelling crane ( tsr ), it did synthesis optimize of the mostly equipments " technology parameter, at the same time did the analysis and evaluation in the base of colligate control strategy using computer emulate

    在對包蘭線的迎水橋變電所進行了模擬試驗的基礎上,制定了綜合控制策略,把裝置實際應用於該電所,裝置的實際運行情況表明:補償效果好,功率因數提高到0 . 94 。
  10. It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation

    本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。
  11. A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply

    本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。
  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繞組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數學模型,分析了電源系統時域性能指標與頻域特性之間的聯系,在此基礎上完成了系統的設計。
  13. Compared with full - bridge or half - bridge converter, a two - transistor forward converter has no risk of direct break - through in the two transistors of the same leg, it is suitable for high voltage input high power output application

    另外,和全橋變換器或是半橋變換器相比,交錯並聯雙管正激換器不存在臂直通的缺陷,因而比較可靠。因此,它適合於高壓輸入大功率輸出的應用場合。
  14. Finally, this paper shows a power module especially designed as the battery charger ( 220vdc / 10a ) for the power systems

    最後,本文簡要介紹了採用寬負載范圍zvs全橋變換器的220vdc 10a電力操作電源設計。
  15. A 3kw prototype converter is built to verify the effectiveness of the improved converter and the best scheme for the blocking capacitor, and the experimental results are also included in this paper

    本文將改進型零電壓全橋變換器應用於高壓直流二次電源dc dc換器中,研製出一臺3kw工程樣機,並給出實驗結果。
  16. Explicit description of main circuit topology, operation principle, characteristic of the circuit of the novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter as well as the simulation analysis with the pspice software is proposed

    對移相控制zvzcs下pwm的dc dc全橋變換器的拓撲結構、工作原理和電路特性作了深入的闡述,採用pspice軟體進行了計算機的模擬分析。
  17. In high output voltage applications, the output inductance of the buck fb converter will be sustain high voltage, resulting in complicated manufacture method. in multi - output applications, the buck fb converter has poor cross regulation

    Buck型全橋變換器在高輸出電壓應用場合,其輸出濾波電感需要承受較高的電壓,使得製造工藝復雜;在多路輸出時,交錯調節能力差。
  18. In this thesis, the tradition phase - shift full - bridge zvs dc / dc converter are analyzed, and then a new dc / dc full - bridge converter employing switches clamping in secondary side of transformer is proposed, and the converter employing saturable inductor clamping are studied, and zvs ( zero - voltage - switching ) can be easily achieve by experiment validate

    本文分析了一些傳統的移相全軟開關換器,提出了開關管箝位dc dc全橋變換器拓撲方案,並對飽和電感器箝位dc dc全橋變換器進行了研究,並進行實驗驗證,從而解決了開關管的零電壓開關問題。
  19. In the first chapter, the study background. direction and main content of this paper are presented. in the second chapter, the character and application of motorola dsp chip, the system design of this power supply and a small - signal model of fbps converter are introduced. in the third chapter, the operation of fbps converter is analyzed in detail and the design of hardware is given. in the fourth chapter particular software design and program flow are given. the result and analyse of experiment are given in this chapter too. in the last chapter, summarize of full paper and works followed are given

    本文第一章介紹了課題的研究背景、方向和主要內容;第二章簡單闡述了dsp晶元的特點及其在電力電子領域的應用,介紹了motoroladsp晶元dsp56f8323的性能特點;提出基於motoroladsp控制的移相全軟開關dc dc換器的硬軟體系統設計方案;最後建立移相全橋變換器的小信號模型進行系統分析。第三章分析了系統硬體部分即軟開關全橋變換器的工作原理和工作模式;給出了詳細的硬體設計。
  20. Among them, phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields. but it has some limitations such as smaller load range with zvs and larger circulation energy. the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy, to enlarge load range with zvs and improve output efficiency under light load

    其中,移相控制零電壓開關脈寬調制dc / dc全橋變換器在大容量領域很有競爭力,但它具有實現零電壓開關負載范圍小,循環能量大等限制,帶飽和電感的移相控制零電壓開關全橋變換器利用飽和電感的臨界飽和電流特性及儲能,來擴大零電壓開關( zvs )的負載范圍,提高輕載時的輸出效率,具有非常重要的研究價值。
分享友人