波型變換器 的英文怎麼說

中文拼音 [xíngbiànhuàn]
波型變換器 英文
mode changer
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 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
  1. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆技術的應用前景及發展現狀。基於正激forward的雙向電壓源高頻環節逆電路結構,由輸入周、高頻、輸出周、以及輸入、輸出濾構成;雙向電壓源高頻環節逆電路拓撲族,包括推挽全式、推挽橋式、半橋全式、半橋橋式、全橋全式、全橋橋式六種電路。
  2. The main works are as follows : 1. the paper systematically describes basic concepts and theories that form the foundation for design of general microwave filters. the topics will cover filter transfer function, lowpass prototype filters, frequency transformations, immittance inverters and the passband insertion loss under the influence of the dissipation of filter elements 2

    現總結如下: 1 .對微的設計理論進行系統的分析,闡述了微的傳輸函數、低通原、頻率、倒置以及元件損耗對帶內插損的影響等方面。
  3. Three parallel - parallel type cttfcs is studied and compared in this paper. the performance of the cttfc with coupled inductor is similar to that with sharing freewheeling diode while coupling coefficient is one, and similar to that with sharing output capcitor while coupling coefficient is less than one and the converter working ccm

    揭示了耦合電感並?並雙管正激組合與其餘兩種並?並組合的關系:耦合系數為1時,具有與共用續流管組合相類似的特性;耦合系數小於1且耦合線圈電流連續時,具有與共用輸出濾容組合相一致的特性。
  4. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小,對勵磁涌流和內部故障電流進行小分析,並設計微機保護基本配置,在以往間斷角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流間斷角的方法,直接對信號小后的形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小的小判據演算法程序。
  5. In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis

    本文分析了交錯並聯雙管正激的工作原理,研究了在不同占空比條件下開關管的漏源電壓和勵磁電流形,建立了模擬模,模擬結果證明理論分析的正確性。
  6. Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced

    由於箝位電容的加入,相對于其他類的反激式電路,該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管,實現了開關管的有源箝位,抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率,減小了輸入及輸出濾體積。
  7. 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,以優化高頻的磁芯損耗和繞組損耗為目標,以單端反激式為例建立了高頻的總損耗計算模,在該損耗計算模的基礎上結合從系統角度設計dc - dc的方法和考慮電感電流形對設計的影響,採用一種基於遺傳演算法的高頻dc - dc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數的最優取值。
  8. 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全橋在高輸出電壓應用場合,其輸出濾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。
  9. The twelve kinds of modes and equivalent circuits within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, the output characteristic curve and design criterion of key circuit parameters such as output voltage, filtering inductance, common conduction time, uni - polarity spwm waveform ' s duty cycle etc are given

    詳細分析了這類在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空間平均法建立了平均模,獲得了輸出電壓、濾電感電流、共同導通時間、單極性spwm占空比等關鍵電路參數的設計準則和的外特性曲線。
  10. The validity and superiority of all these are proved by use the parallel converter of novel upfc to implement reactive current compensation, zero sequence and negative sequence currents compensation, harmonic currents compensation and the mixed compensation of them. this thesis also studies that use novel upfc to implement two phases operating in high - voltage transmission lines by theory analyze and simulation testify

    提出了基於多電平的廣義大功率有害電流補償的概念,提出了適合於它的多環定時滯環控制方案,通過用新upfc的並聯實現無功補償、零序和負序補償、諧補償及它們的綜合補償來驗證了其有效性和優越性。
  11. In this paper phase shift full bridge sreies - parallel resonant converter is expatiated witch is good project for design of high - voltage high - power power at present. besides those we discussed basic process and practical rc load model of sreies - parallel resonant converter

    論文闡述了移相控制的全橋串並聯諧振,目前它是滿足高效、高功率密度、高壓大功率直流電源設計的一種很好技術方案;本文闡述了運用基分析方法建立的串並聯諧振的等效電路模
  12. Isolated boost converter has advantages of high frequency electrical isolation, multi - output solutions, lower input ripple current and high reliability for the short circuit of load, etc. it is attractive in applications such as high voltage multiple outputs with isolation requirement, single stage power factor correction and bi - directional dc / dc converters

    電氣隔離boost具有高頻電氣隔離,易於多路輸出,輸入電流紋小,負載短路時可靠性高等優點。它適用於有隔離要求的高壓多路輸出、雙向pwm直流和單級pfc等場合。
  13. This paper discusses the hardware system architecture of broadband software radio experiment platform, designs hardware circuit system, studies the basic theory of software radio deeply, establishes the mathematical model. the platform is made up of a / d ( ad6640 12bit 65 msps ), orthogonality transform, digital filtering and dsp, etc. the platform can demodulate pcm - am / fm / pm / ask / fsk / psk / qpsk, pcm - cdma - psk, pcm - qpsk signal

    本文論述了寬帶軟體無線電接收實驗平臺硬體系統的體系結構,設計了硬體電路系統,深入研究了軟體無線電的基本理論,建立了接收實驗平臺的數學模。該平臺由高速a d( ad664012位65msps ) 、正交、數字濾、 dsp等部分構成。實現了pcm - am fm pm ask fsk psk qpsk , pcm - cdma - psk qpsk調制方式的解調功能。
  14. The active - clamp network is used to clamp the voltage across power switches, and to achieve zero - voltage - turn - on of the power switchs, etc. detailed analysis and simulation of the converter are performed, from which some important results are obtained

    著重介紹了有源箝位zvs軟開關電路的特點及其在升壓直直中的應用,並給出了主要的模擬形。
  15. ( 3 ) the researches about the sparse distribution of wavelength converters, the contents include : the heuristic algorithm to decide the number and location of wavelength converters ; the performance comparison of the two different oxcs ( optical cross - connect ) : share - per - link oxc and share - per - node oxc

    ( 3 )基於稀疏節點的研究,具體內容包括: wdm網路中確定的位置與數量的啟發式演算法;鏈路共享節點共享的交叉連接設備的性能研究。
  16. The thesis analyses the effect of phase shift control and the utilization of the transformers primary sides saturable inductor to the transformers secondary sides voltage duty cycle, and basic on the buck converter s small signal ac model the converter s model is deserved, and infers control to output transfer function

    論文通過分析移相控制方式和高頻一次側的飽和電感對高頻二次側方電壓占空比的影響,在buck號模的基礎上建立了帶飽和電感的移相控制零電壓開關全橋的小信號模,推導出控制到輸出的小信號傳遞函數。
  17. With regard to the converter of srd system, the thesis firstly gives the study of the topology of converters that have the least main switches, and then lucubrates the single switch per phase converter with c - dump energy recovery circuit

    在功率的優化設計方面,本文在對于具有最少開關數的功率拓撲結構進行研究的基礎上,深入研究了其中帶存儲電容斬回收功率
  18. To reduce voltage stress of transformer secondly diodes, a novel parallel - parallel / serial type cttfc is presnt. it has many attractive characteristics, such as low current stress of power switches, small intput and output filter size, high reliability, and sharing output voltage

    提出了一種並?並串雙管正激組合,該組合具有副邊二極體電壓應力低、開關管電流應力小、輸出均壓、輸入輸出濾體積小等優點。
  19. This method can maintain the superiority of traditional wavelet transform to effectively remove temporal redundancy. in addition, owing to the feather of the integer form of wavelet lifting scheme, the computational complexity and memory requirement are reduced, which can enhance the performance of the wavelet video coding system

    該方法能夠保持傳統小的優勢,高效的去除時域冗餘信息,同時通過提升小的整能夠快速實現的特點,降低了計算復雜度,減小了內存需求,提高了小視頻編碼的性能。
  20. In order to decrease the harmonics in mc ' s input and output current, the svm method and sinusoidal hysteretic band method are introduced into the mc hysteretic control respectively. secondly, based on the predictive current control fundamental principle, the particular 27 vectors predictive current control strategy and current trend predictive control strategy are proposed. the simulation indicates that all of the current methods can improve the mc ' s output current quality and speed its dynastic response

    提出了矩陣的滯環電流控制策略,並針對滯環控制時輸入電流和輸出電流的諧,分別提出了輸入電流空間矢量合成滯環控制方法和正弦環寬滯環控制方法;引入了矩陣的預測電流控制新思路,在此基礎上,提出了矩陣獨特的27矢量預測電流控制方法和趨勢預測電流控制方法,模擬結果表明,各種電流控制方法提高了的輸出電流品質,加快了的動態響應性能。
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