模式變換器 的英文怎麼說

中文拼音 [shìbiànhuàn]
模式變換器 英文
mode converter
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 模式 : model; mode; pattern; type; schema
  1. Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )

    本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化組合? ?有源鉗位正激、同步整流技術、磁放大
  2. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論分析、擬分析和實驗驗證,得出這兩種旋轉都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激旋轉最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋旋轉能傳輸較大的功率,可用於電機的新型無刷勵磁方案中。
  3. The temperature range is - 30 ~ 80. the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis. then based on the conventional pfm control scheme, a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established

    然後在傳統的脈沖頻率調制方的基礎上,分析了一種離散脈沖頻率調制方,並建立了這種調制方下升壓型dc / dc在電流連續( ccm )工作和電流斷續( dcm )工作的狀態空間平均型。
  4. The thesis discussed a parameter extraction program for the mosfet level1 model. in the analysis and design of circuit, at first, the thesis described the system function of the new dc - dc switching converter. then several sub - circuits of converter ic such as oscillator, over - temperature shutdown circuit, auto - restart counter circuit and control circuit were completely discussed

    在電路設計中,本文首先分析了開關電源電路的基本拓撲結構和psm調制,接著對開關電源進行了系統的原理分析並設計了總體框圖,然後詳細設計了振蕩電路,熱保護電路,自動重啟計數電路和主控門邏輯等子電路並進行了功能擬。
  5. Ogy method is applied to control the chaos exhibited by current - mode controlled boost dc - dc converter, as its chaotic regime has been established in this paper

    本文還使用參數微擾方法控制電流控制boost在連續電流下產生的混沌行為。
  6. The control strategy and the way of filter design are discussed. this two - stage converter keeps the advantages of the single - stage ppfc scheme and improves its several disadvantages. the simulation and experimental results verify the superiority of the two - stage converter scheme and prove out that it is suitable for the fuel cell power generation system

    該兩級保留了上述單級ppfc方案的基本優點,同時改善了其存在的幾點不足之處,具有相當的優越性,適用於本文所研究的燃料電池發電系統,文章最後通過擬和實驗進行了原理驗證。
  7. Switch states of mc are obtained when the output voltage error function is minimized, thus the optimum combination of switch states is derived for the closed - loop control of mc

    根據最小誤差函數確定矩陣開關,實現了系統閉環控制時開關狀態的優化組合。
  8. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了參數、結構的pid調節;調速的機械液壓隨動系統具有步進電機電液轉元件,採用五相反應步進電機,根據其驅動特性設計了頻調壓驅動,實現plc與步進電機驅動之間數字介面。
  9. The author of the dissertation pay a lot efforts to focus on designing the dual - loop control circuit based on optimized psm, include : 1 ). researched the relationship of input and output voltage and output valtage ripple, when psm operate in continuous current mode and discontinuous current mode respectively. what we have done will direct psm apply to converter

    本文在psm調制理論的基礎上,設計基於優化psm調制的雙環控制電路,主要包括以下幾個方面內容: 1 )對psm調制分別在連續和斷續工作下的輸入輸出電壓關系以及輸出電壓紋波進行研究,以期指導psm調制中的應用。
  10. Chaos in three typical topology power electronic converters with a close loop controller is studied. the discrete iterative model is established and analyzed for the chaos in close loop boost converter working in discontinuous conduct mode. the tracking control method is used to control chaos of this converter, simulation results show its effectiveness

    研究了三種典型拓撲結構的電力電子閉環工作時的混沌現象,針對工作在電流斷續( dcm )下的boost中的混沌現象,分析了其數學型,並採用軌跡跟蹤控制方法進行了控制,擬結果表明了該方法的有效性。
  11. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關、推挽、半橋、全橋電路,以全橋電路為例分析研究了這類工作、穩態原理與電壓瞬時值反饋控制策略,給出了的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  12. The result shows that, when the full - bridge power converter is joined with boost / buck dc chopper in parallel, it can serve a dc voltage of over 340v and a power of 800w, meanwhile, as output voltage of the fuel cells changes due to loadings, the sliding - mode controller can cause more rapid responses and robustness to the dc bus voltage source

    實驗結果顯示,本論文之全橋功率轉與升壓/降壓直流截波並聯供電時,輸出電壓可達340v以上,輸出功率約為800w ,同時,當燃料電池之輸出電壓因負載而改時,本論文所提出之滑動控制能使直流鏈電壓具有較快速的響應及強健性。
  13. The first successful industrial application of absorption heat transformer ( aht ) has been put into practice in yanshan petrochemical corporation in china. on the background of this engineering, the thesis sets up the methods of absorber ' s enhanced heat and mass transfer, process simulation and finite time thermodynamics analysis. the main research work is followed as : 1

    本論文以北京燕山石化公司上的國內第一套吸收( aht )系統為工程背景和研究對象,建立了包括吸收強化傳熱傳質、過程擬和有限時間熱力學在內的分析手段,並在此基礎上開發出了擬優化軟體ass ,最後利用工廠的實測數據對軟體的計算結果進行了測試和對比,具體工作: 1
  14. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流控制的有源功率因數校正技術的基礎上,設計了一種控制電路基於數字信號處理( dsp ) 、主電路採用boost拓撲結構的全數字單相功率因數校正,用數字電路代替傳統的擬電路來實現對整個迴路的控制,最終使得校正具有輸入功率因數接近於1 、低電流諧波以及高轉效率的特性。
  15. Two single - stage pfc converters with the negative feedback of engergy - storage capacotor voltage by transformer windings are analyzed. the two converters have similar performances, and they can be translated each other, which verified the translation rule. the analysis and simulation show that with the negative feedback of energy - storage capacitor voltage by transformer winding have good performances

    通過對兩種採用繞組實現負反饋的單級pfc研究,結果顯示出它們的相近性,驗證了兩端和三端的轉規則,同時也說明採用繞組實現負反饋的方對抑制電容電壓有很好的效果,並對其進行了優化設計。
  16. Besides these, it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion, the conversion relations of the matrix converter were deeply investigated. the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling, sin ~ iu1ation and experiment of a three - phase matrix converter were implemented

    本文從等效交一直一交的空間矢量調制方法出發,深入分析了矩陣關系,推導出了交一交直接控制規律和雙空間矢量pwm調制技術,實現了交一交直接控制方下矩陣的建和運行分析,並進行了計算機擬和實驗研究。
  17. Numerical calculation of vlasov - type mode convertor

    伏拉索夫模式變換器數值計算
  18. Combinations of igbts controlled by four - step current commutation algorithm, was implemented by the cpld, which was also forecasted and validated by the simulation and experiment

    為進行對矩陣系統的實驗研究,採用cpld (復雜可編程邏輯件)實現了igbt組合雙向開關的四步流邏輯控制,並通過擬和實驗進行了預測和驗證。
  19. Serial - parallel combined two - transistor forward converter is presented for high input voltage and high power application, and the operation principle of the topology is analyzed in this paper. all switches are turned off with zero voltage switching, and the two switches of them are turned on with zero current and zero voltage switching. the difference of input capacitances, conducting voltage drop of switches, duty cycle and windings of the transformer of the combined converter influences the voltage balance of the input capacitors

    本文介紹了雙管正激的兩種穩定工作狀態,詳細分析了帶lcd無損箝位網路的並?並組合雙管正激的工作原理,該組合中的開關管實現了零電壓關斷,並介紹了該電路拓撲的特點和lcd網路參數設計,採用pspice軟體進行了擬和分析,最後,研製出一臺2 . 3kw樣機。
  20. Combined with the advantages of matrix converter, ac - excited generation technique and vector control scheme, the stator flux - oriented vector control model of the variable - speed constant - frequency ( vs cf ) ac - excited generator fed by a matrix converter was developed. simulation studies of the proposed power generation system were carried out

    本文還結合了矩陣、交流勵磁發電技術和矢量控制的優點,建立了矩陣供電的速恆頻交流勵磁風力發電機定子磁場定向的矢量控制系統型,對矩陣在交流勵磁發電系統中應用進行了擬研究。
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