輸入變換器 的英文怎麼說
中文拼音 [shūrùbiànhuànqì]
輸入變換器
英文
input translator- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 入 : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
- 換 : 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
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
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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逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構,由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族,包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。To the zvt - pwm soft - switching converter, not only the resonant parameters but the input and output voltage and the load can affect the converter efficiency. a detailed research of a typical zvt - pwm buck converter is done in this paper
對zvt - pwmbuck變換器而言,除了諧振參數對工作效率有很大的影響外,變換器輸入輸出電壓和所帶負載對工作效率都有影響。High - frequency link power converters are receiving increasing attention. when the input frequency of ac - ac converter is quite high, such as 20khz or above, in order to make sure the converter switching action is restricted to the zero crossing point of the link voltage, the switching cycle becomes discrete pulse spectrums, however, the conventional pwm converters are ruled out because they would fail either to the efficiency or the low - distortion criteria
當交-交變頻器的輸入頻率非常高,通常為20khz時,為了在零電壓條件下實現逆變器開關管的通斷,變換器的開關時刻必須選擇在高頻交流電壓脈沖為零時,這意味著變換器開關時刻在時間軸上成為不連續的點,而常規的硬開關pwm變換器是將開關時刻選擇在任意時刻。Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking
本文針對輸入功率為1 . 5kw ,最大輸出轉速,額定輸出轉速的無級變速器的設計要求,並考慮到傳動角及變速比等因素,在運動學模擬的基礎上,對運動學參數進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進行了強度校核計算;本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計;最後採用workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。A topological study of representative single - stage pfc converters are presented. in sigle - stage pfc approach, there are two important issues of concern. one issue is how to implement the input current shaper ( ics ). another one is how to control the energy - storage capacitor voltage below 450v
本文對現有的單級pfc變換器拓撲進行了詳細的分析,指出在單級pfc變換器中,必須解決兩個問題:如何實現輸入電流整形和控制電容電壓在450v以下。To reduce voltage stress of power switches, a series - parallel type cttfc is studied in this paper. voltage - sharing of input capacitors can be realized naturally in discontinuous conduction mode, andvoltage - sharing of input capacitors can also be realized naturally in continuous conduction mode. the voltage stress of power switches is only half of the input voltage, so power mosfet can be used in high input voltage applications
揭示了串?並型雙管組合變換器電流斷續工作方式時輸入電容電壓自然均壓的機理;對于電流連續工作方式,也能實現輸入電容自然均壓。輸出續流管串聯方式的串?串型雙管正激組合變換器,其輸入電容自然均壓特性與串?並型雙管正激組合變換器一致。A novel parallel - serial type cttfc ( combined two - transistor forward converter ) with coupled inductor is present in this paper, and the performance of three parallel - serial type cttfcs is studied and compared. the performance of cttfc with coupled inductor is similar to the other two cttfcs while coupling coefficient is less than one and the converter working ccm ( continuous current mode ), and input - to - output voltage gain increase one times while coupling coefficient is one
本文提出了一種耦合電感並?串型雙管正激組合變換器,並對三種並?串型組合變換器的特性作了比較:耦合系數小於1且耦合線圈電流連續時,三種並?串型組合變換器特性相類似:耦合系數為1時,組合變換器輸入輸出電壓增益增大一倍。The circuit structure of this kind of converters is constituted of input cycloconverter, high frequency transformer ( high frequency storage transformer ), output cycloconverter, input and output filter
這類變換器由輸入周波變換器、高頻變壓器(或高頻儲能式變壓器) 、輸出周波變換器、以及輸入、輸出濾波器構成。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調制模式的雙環控制電路,主要包括以下幾個方面內容: 1 )對psm調制模式分別在連續和斷續工作模式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調制模式在變換器中的應用。Proper selection of control algorithms and capacitor voltages helps synthesize controllable and waveforms almost sinusoidal three - phases ac voltage with minimum low - order harmonics at both sides of the converter
選擇適當的控制演算法和電容電壓,能在變換器的兩側合成低次諧波含量小且波形近似於正弦的可控輸入/輸出電壓。To reduce the inductor and the phase displacement between the input current and the input voltage simultaneously, multi - level ( ml ) converters are adopted as the pfc topologies in this thesis
為了同時減小電感和輸入電流與輸入電壓間的相位差,本文提出採用多電平變換器作為pfc變換器的拓撲。The characteristics of three - level ( tl ) converter and its effect to the zero - crossing distortion are analyzed, and extended it to ml converters, which are suitable for the high input frequency pfc application
文章詳細分析了三電平( three - level , tl )變換器的特點和對輸入電流過零畸變的改善作用,並推廣至多電平變換器。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
本文在平均電流模式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器( dsp ) 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器,用數字電路代替傳統的模擬電路來實現對整個迴路的控制,最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating
針對三相四線輸出的電源系統,對採用空間矢量控制的四橋臂逆變器進行了深入研究,對三維空間矢量調制方案進行了分析求解、模擬,並給出了適用於15kva變速恆頻電源變換器的解決方案,實現了變換器的三相四線輸出以及線性調壓。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,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably
在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上,提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略,提高了變換器的抗干擾性能;對空間矢量法的開關策略進行了研究,提出了新型5狀態開關策略,在保證其他性能不受影響的條件下,減少了變換器的換流次數和開關損耗;提出了一種矩陣變換器單電壓合成的新方法,它不僅使得變換器的控制簡單,計算量減少,而且使得開關損耗達到最少。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,相對于其他類型的反激式變換器電路,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波器體積。Power : 5v dc 220v ac input convert 5v dc
供電配220v交流輸入5v直流輸出變換器5vdcThe two - transistor forward converter has many advantages, especially its low voltage stress, each power switches need to block only input voltage, so it is widely used in high voltage input application
雙管正激變換器有很多優點,特別是在電壓應力方面,變換器中的兩個開關器件只需承受輸入電壓,因而在高壓輸入的場合得到了廣泛的應用。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,交錯並聯雙管正激變換器不存在橋臂直通的缺陷,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。分享友人