移相開關 的英文怎麼說

中文拼音 [xiāngkāiguān]
移相開關 英文
phase switcher
  • : 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...
  • : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
  1. We design several combined photonic crystals models based on the destructive interference theory, which can transfer completely the energy of a signal from one channel to another, or can realize light switching

    本論文首次利用干涉消的原理,設計了滿足一定條件的復合型光子晶體能量轉模型和光子晶體光
  2. A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter

    本文在對近年來電力電子學科的發展高度綜述和對現代高頻軟功率變換技術理論基礎深入研究的基礎上,對傳統的控制zvspwmdc dc全橋變換器的工作原理、電路特性、存在的缺點進行了分析,在此基礎上提出了一種改進型的控制zvzcspwmdc dc全橋變換器。
  3. Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable

    配有與主機配套的接料牽引裝置和應的程序介面,既能與擠管主機聯線使用,又可以作單機使用;擴管時管材的動均採用平方式,動作平穩準確而且不易損傷管材;這種機型採用紅外線加熱方式且為雙加熱爐型,每個加熱爐都配有中心加熱爐芯;成型方式均採用擴管頭定型方式,管口成型尺寸準確;該機型在控制面板上設有擴溶劑型承介面(直口)和擴彈性密封圈型承介面( r口)的轉換,擴管方式選擇十分方便,工藝適應性強;主要的電器控制元件均採用進口元件,系統性能穩定可靠。
  4. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上,採用一種新型雙向dc dc變換器的拓撲結構,把軟技術和控制pwm技術以及雙向dc dc變換器技術有機結合在一起,有效地降低了電路的損耗和噪聲,為變換器裝置提高頻率、效率以及降低尺寸及重量提供了良好的條件。
  5. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度,選用多通道體制,採取位延時估計法從頻域來估算動天線方向圖系列的達到角,同時在具體的工程實現上對天線選取、信號的量化、去摸等進行優化,從而滿足指標要求。
  6. 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,全橋具有超前橋臂零電壓通,滯后橋臂或者零電壓通( _ 0 )或者零電流斷( _ 0 )的軟特性,而低頻逆變器的各個均實現零電壓條件下的通與斷。
  7. Phase - shifted zero - voltage - switching pwm full bridge converter can realize zvs for the power switches with the use of the leakage inductance of the transformer and the intrinsic capacitors of the power switches, so it is used widely for medium and high power applications

    控制零電壓pwm全橋變換器利用變壓器的漏感和管的結電容可以實現管的零電壓,在中大功率的場合應用廣泛。
  8. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟技術和控制pwm技術以及雙向dc - dc變換器技術有機結合在一起,有效地降低了電路的損耗和噪聲,為變換器裝置提高頻率、效率以及降低尺寸及重量提供了良好的條件;同時,能拓寬零電壓的范圍,使變換器在較寬的負載變化范圍內都能實現軟
  9. In this paper, research and manufacture work on high efficiency high power density high - voltage high - power dc power is undertaken on the basis of basic theories and past production. by inquisition the basic theory and project of sreies - parallel resonant converter witch is a soft - switch converter was selected to outspread research and design work

    本文是在吸收前人研究成果的基礎上,理論聯系實際,針對高效、高功率密度、高壓大功率直流電源展的研製工作。在經過大量的實際調研工作的基礎上,選擇了一種軟變換器(控制的串-並聯諧振變換器)的技術方案,並圍繞該方案展理論研究和實際的設計工作。
  10. We analyzed the dependence of equivalent circuit parameters of mesfet switch on material and device structure. for modeling, we designed and fabricated six set of mesfet switches with different gate width, then measured their performance and extracted switch model parameters. mesfet switch database corresponding to the mmic product line is then established, and using the dependence of switch model parameters on gate peripheral we can attain the mesfet switch performance with any gate width through parameters scaling

    器電路採用gaasmesfet作為控制元件,研究了mesfet等效電路參數與材料和器件結構參數的系,設計製作了不同柵寬的六組mesfet,並進行參數測試和模型參數提取,建立了應于mmic工藝線的mesfet模型庫;根據模型參數隨柵寬的變化規律,可以實現任意柵寬mesfet的參數定標工作。
  11. B ) the design of the new valve : for the displacement of the actuator, hydraulic magnify is used, and the stracture that has comparatively motion beteen harness and body and comparatively stillness between harness and body is adopted. the static characteristic of the new valve and also its dynamic characteristic, the factors that affect the valve ' s characteristic are analyzed

    設計新型高速閥:對驅動器位採用了液壓式放大,並採用閥套與閥體之間有對運動,閥芯對閥體不動的結構。分析了新型高速閥靜動態特性以及影響其性能的主要因素。
  12. A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer

    論文提出一種新型全橋軟周波變流型三高頻鏈逆變器,電路的主要優點是:前級全橋的角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零電壓通,滯后橋臂零電流斷,並使周波變流器所有在零電壓期間重疊換,使整機最大程度地實現了軟,並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。
  13. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級全橋軟周波變流型三高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。
  14. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門位測量中,採用光柵位傳感器和光電軸角編碼器,分別將發動機進、排氣門位量和曲軸旋轉位量的變化信號通過采樣,輸入計算機,對三路信號加以比較找出氣門的系,從而為設計發人員、品質控制人員提供可靠的測量參數。
  15. 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電源正是採用三三線制輸入電源,利用單級偽零電壓零電流脈寬調制( 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,並且該變換器管在零電壓或零電流下通斷,顯著的減小了emi 。
  16. The main contributions of this dissertation are as follows : 1 ) forms a scheme of network maintance as well as realiztion of the problem testing software after a thorough analysis of the regular network problems and a pertinent comment on the merits and demerits of the network detection and maintainance methodology. 2 ) presents approaches to the realization of principles of network health testing, network resources list and connectivity testing in the network problem testing software, and gives a in - depth analysis of the key issues in design process with vivid flow charts and convincing testing results. 3 ) ponits out possible problems and offers feasible solutions in the migration and development of the embedded software from six aspects, touching upon byte order, semaphore, coding optimization, etc. 4 ) discusses the exception handling mechanisms and debugging process for the sake of improving software robustness

    本文的主要工作如下: 1 )研究了以太網常見故障並對網路探測維護方式的優缺點進行了詳盡分析,根據項目要求確定了本系統的網路維護方案,並對故障測試軟體的總體實現方案進行了設計; 2 )闡明了網路故障測試軟體中網路健康測試、網路資源列表、連通性測試的原理,提出了應的實現方案,分析了設計過程中的鍵問題,並給出軟體流程圖和測試結果; 3 )從位元組序、信號量、代碼優化等六個方面談論了嵌入式軟體在發中的注意事項; 4 )為提高軟體的健壯性,討論了本嵌入式系統軟體採用的異常處理機制以及軟體調試過程中的。
  17. Referring to a plentiful literature all over the world, it chooses a full - bridge shift phase converter circuit topology with a capacitance can insulate direct current and an saturation inductance in the origin side

    在參閱了大量國內外文獻的基礎上,選取了一種原邊加隔直電容和飽和電感器的單全橋變換器拓撲結構。
  18. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的分析,提出了一種從45始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器位漂提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了應的軟體流程圖。
  19. In the end we have made a 50v / 10a full - bridge pwm dc / dc converters based on an improved circuit topology of full bridge phase shift zvs pwm converter. it can achieve zvs from no load to full load in virtue of an assistant commutation inductor

    最後,構造了一個改進的全橋zvsdc dc變換器拓撲,在此基礎上研製了50v 10a通訊用全橋移相開關電源,該電源藉助于輔助換流電感,在空載到額定負載范圍內均可實現zvs 。
  20. The present thesis is devoted to studying the intensity distribution of the focused partially coherent beams, especially investigating the focal shift, the focal switch. the generation of partially coherent flat - top beams, partially coherent doughnut spots and partially coherent bottle beams has been investigated

    值得一提的是,我們詳細討論了焦、焦現象,以及部分干平頂光束、部分干麵包圈光束、部分干局域空心光束的產生過程。
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