正向變換器 的英文怎麼說

中文拼音 [zhēngxiàngbiànhuànqì]
正向變換器 英文
forward converter
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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
  • 正向 : [電學] forward direction正向傳導 forward conduction
  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模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。
  2. 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。
  3. It is equipped with precise and reversing controller to ensure that inside of hank yarn could be averagely dyed by changing automation circulation direction of dying

    採用精確正反轉控制器，自動變換染液的循環方向，確保絞紗勻染。
  4. These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right

    這類逆變器由左右二個雙向boostdc / dc變換器構成，左右二邊是對稱的，所以整個電路構成了一個四象限變換器，我們可以恰當控制各功率管的開、關，使左邊的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波，使右邊的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形，這樣，負載zl上的電壓是左、右兩個dc / dc變換器電壓的差動輸出，正好可以消掉直流偏置，最終在負載r1上得到的就是正弦波。
  5. The characteristic of those topologies are analyzed in detail. a novel isolated interleaving two - transistor forward boost converter is proposed in this paper. this converter has less voltage stress of power switches, and no transformer magnetic deviation

    研究一種新穎的隔離boost變換器，它具有開關管電壓應力低，沒有變壓器單向磁飽和問題，可以實現交錯並聯雙管正激電路所有開關管零電壓開關。
  6. In this thesis the author developed a method for measuring the axial and radial deformation in triaxial test by analyzing the digital image from area ccd and correcting the errors. this method is more accurate and more convennient than traditioanal techniques, and can be used to deformation measurement for unsaturated soil specimn directely

    其基本原理是利用ccd圖像傳感器獲取土樣圖像信息，經圖像板採集、 a d轉換和預處理後送入計算機進行數字圖像處理，求出土樣在不同時間的徑向寬度和軸向高度數據，並經過系統誤差的修正，從而精確得出土樣的變形量。
  7. The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection

    設計目的是使電路作為電子鎮流器的前端變換器可以驅動耐壓為500v ，最大工作電流為1a的橫向功率mos ，對整流電路的直流輸出電壓進行穩壓，並實現過壓、欠壓保護，提高用電效率，經過理論分析使經校正後的功率因數達到0 . 95以上。
  8. Matrix converter ( mc ) is a power converter based on ac - ac direct conversion. more and more attention is paid to mc depending on its adventages, such as omitting the dc part, obtaining unit power factor, getting sinusoidal input currents and output voltages and easy to realize bidirectional flow of energy

    矩陣變換器作為交交直接變換的功率變換器，以其無中間直流環節、具有單位輸入功率因數和良好的正弦輸入電流、易於實現能量雙向流動等優點受到了國內外學者的廣泛關注。
  9. Move the reversing handle to the ahead side and to the astern side alternately. there is proper blowing from the line filter ( 51 - 2 ) corresponding to the operation

    移動換向手柄到正車側和倒車側交變地。有適當的氣從濾器51 - 2吹出相應對操作。
  10. Move the reversing handle to the ahead side and to the stop position alternately. there is proper blowing from the line filter ( 51 - 4 ) corresponding to the operation

    移動換向手柄到正車側和倒車側交變地。有適當的氣從濾器51 - 4吹出相應到操作。
  11. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明，這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  12. In order to increase the utilization of transformer core and reduce the number of transformers, the two - transisteor integrated - magnetics forward converter is studied in this paper. the phenomena about magnetic deviation due to asynchronism of duty cycle and other parameters is analyed, and the converter works normally although there is magnetic deviation. the working principle of circling current is analyed, and a improving circuit is present to decrease the circling current

    分析了雙管正激磁集成變換器的環流產生機理，提出了一種減小環流的方法；研究了占空比等參數不一致導致的磁芯偏磁問題，磁芯存在單向磁化現象，但不會出現單向磁飽和，變換器仍能穩定工作。
  13. To reduce voltage stress of power switch in the flyback - forward converter, a novel two - transister flyback - forward converter is present in this paper. by adjusting the turns ratio of forward and flyback transformer we can distribute the delivering power of forward and flyback transformer

    提出了一種雙管正?反激組合變換器，通過調整正、反激變壓器的匝比關系，可以任意改變正、反激變壓器向負載傳輸功率的分配比率。
  14. Compared with those converters that need an auxiliary switch to make the main switching device working in soft - switching condition, the converters this paper present, are simple, easily controlled and cost less, but still maintain the merits of soft - switching for the main switching devices

    這些變換器與那些需要輔助開關來實現主開關的軟開關工作的變換器相比，具有結構簡單、易於控制、成本較低的優點。所提出的新型功率因數校正軟開關變換器除具有以上優點外，還能有效解決二極體的反向恢復所帶來的問題。
分享友人
分享到 Line

分享到臉書