調零移相器 的英文怎麼說

中文拼音 [diàolíngxiāng]
調零移相器 英文
zero setting phase shifter
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 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. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,全橋具有超前橋臂電壓開通,滯后橋臂或者電壓開通( _ 0 )或者電流關斷( _ 0 )的軟開關特性,而低頻逆變的各個開關均實現電壓條件下的開通與關斷。
  2. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、、潮流控制、阻尼振蕩等功能,在發生單永久性接地或單斷路故障時,由傳統的三跳閘改為單跳閘,用upfc的並補來濾除兩端系統的序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩長期運行,那麼輸電系統的穩定性、可靠性將大大提高。
  3. 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三三線制輸入電源,利用單級偽電壓電流開關脈寬調制( pps - zvzcs - pwm )全橋變換完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換開關管在電壓或電流下通斷,顯著的減小了emi 。
  4. 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,控制電壓開關脈寬調制dc / dc全橋變換在大容量領域很有競爭力,但它具有實現電壓開關負載范圍小,循環能量大等限制,帶飽和電感的控制電壓開關全橋變換利用飽和電感的臨界飽和電流特性及儲能,來擴大電壓開關( 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。
  5. Finally, the operation principle of three - level shift phase pwm control with zero voltage is validated by the simulation analyze and the debugging experiment of 230v / 10a sample device

    最後,通過模擬分析以及對230v / 10a樣機的調試實驗,驗證了電壓三電平控制pwm三電平直流變換的工作原理。
  6. These years more and more emphasize have been focused soft - switching control in phase - shifted zvs pwm full - bridge dc / dc converter and more research need to be made. the principles of phase - shifted zvs pwm full - bridge converter are described and analyzed

    基於控制的電壓脈寬調制dc - dc全橋變換是軟開關控制的一個研究熱點,還有許多理論問題需要研究。
  7. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時,直接穿過干涉儀,僅發生強度的衰減,在兩個探測平面上產生幅度基本一致的灰度信號,通過差分放大消為,從而抑制了背景干擾。當激光信號入射,穿過干涉儀時受到調制,在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀,兩路干涉條紋圖案出現位:在兩個探測平面對應的位置上,一路出現亮紋,另一路出現暗紋。
  8. Higher frequency, modular construction and digitalization is the main development tendency in the field of the switching power supply. high power density and high frequency converter is based on soft - switching techniques

    實現高頻化的主要途徑是軟開關技術,全橋電壓脈寬調制變換是軟開關pwm技術在全橋直-直變換中較成功的應用例子,並具有較好的工程實現價值。
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