滯后電流 的英文怎麼說

中文拼音 [zhìhòudiànliú]
滯后電流 英文
lagging current
  • : Ⅰ動詞(使停滯; 使不流通) stagnate; block up Ⅱ形容詞(停滯; 不流通) sluggish; slow-moving; stagnant
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變器採用占空比擴展有源箝位正激式高頻脈沖直環節路拓撲,由占空比擴展有源箝位正激式高頻脈沖直環節路與dc ac逆變橋級聯而成,前級採用壓型pwm前饋控制技術,級採用三態dpm環控制技術。
  2. A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate

    本文利用新型陶瓷技術、集成路技術和厚膜平面安裝路技術,採用零力學的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙極,組成兩個容,當膜片承受壓力時發生位移,使容量產生變化,經後置處理路直接轉換為可輸出的直壓信號。
  3. 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 %

    從功率單向動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振壓脈沖列的幅值追蹤參考正弦壓信號,經過整、濾波、低頻逆變,從而獲得正弦度較好的輸出壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零壓開通,橋臂或者零壓開通( _ 0 )或者零關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零壓條件下的開通與關斷。
  4. Multiple functions available : start / crater arc current, increase / decrease time, base / crest value current, pulse frequency, pulse rate, post flow time, hf welding

    功能豐富:起始/收弧、上升/下降時間、基值、峰直、脈沖頻率、占空比、關氣時間分別可調,高頻引弧。
  5. Multiple funcyions available : start / crater arc current, increase / decrease time, base, crest value current, pulse frequency, pulse rate, post flow time, hf / friction welding, water / gas cooling

    功能豐富:起始/收弧、上升/下降時間、基值、峰值、脈沖頻率、占空比、關氣時間分別可調,高頻/接觸引弧、水冷/氣冷可供選用。
  6. The study shows that the output pulse value of resistance absorption equipment is related to the chopper switch conduction ration and the selection of lagging angle

    研究表明,地面阻吸收裝置的輸出脈動與斬波器的導通比、各支路斬波器的開關角有關。
  7. Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given

    主要對軟開關橋臂和超前橋臂的零壓開通、關斷過程,功率變壓器的工作波形及整過程進行了詳細的模擬分析,並重點討論了逆變器的諧振感、諧振容以及負載變化對軟開關過程的影響。
  8. In this paper, the major aim is that studying determination of control current, time - delay and simple simulation. the following work is done : 1

    本課題以解決磁變阻尼結構的瞬時選擇問題、時間問題,及簡化模擬分析為研究目的,主要完成了如下工作: 1
  9. From the origin, the main reason is that the developments of logistics are seriously lagging, and logistics systems do n ' t match the pace of electronic business

    究其根源最主要的原因就是我國的物發展嚴重,物配送系統跟不上子商務的節奏。
  10. At high frequencies the current at the collector lags by 90deg

    在高頻段,集90度。
  11. 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

    論文提出一種新型移相全橋軟開關周波變型三相高頻鏈逆變器,路的主要優點是:前級移相全橋的移相角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零壓開通,橋臂零關斷,並使周波變器所有開關在零壓期間重疊換相,使整機開關最大程度地實現了軟開關,並可靠解決了高頻變壓器漏感儲能引起的壓尖峰問題。
  12. Because the cascaded flow - thought delay time. daily power benefit has affected not only by previous day but by next day, daily power benefit is composed of " plant day " part and " effect day " part. based on the theory analysis, author developed a program what can well describes the cascaded reservoir short - term optimistic dispatch system model

    由於梯級水時的存在,日發效益既受前日影響,也影響次日,為考慮水帶來的影響,將日發效益視為兩部分組成: 「計劃日」部分和「影響日」部分。
  13. The clamping diodes conduct only once in a switching period, and the resonant inductance current is smaller in zero state, leading to a higher efficiency and reduced duty cycle loss. the operation principle of the improved converter and the comparison with the original converter are analyzed in this paper. the effect of the blocking capacitor in series with the transformer or resonant inductance is discussed, and a best scheme is determined

    本文將諧振感和變壓器交換位置,使變壓器與橋臂相連,這樣箝位二極體在一個開關周期中只導通一次,同時零狀態時諧振較小,有利於提高變換效率和減小占空比丟失,本文分析改進變換器的工作原理,並與改進前的變換器進行對比,討論隔直容在不同位置對變換器工作的影響,確定一種最佳工程方案。
  14. In industrial the temperature system is classed large nonlinear system. with associative memory neural network as identification and fuzzy neural network as control established model reference adaptive control system, succeeded realized single dealing control. model reference adaptive control system supplied new method for other lager nonlinear system such as flux, stress and fluid system

    溫度控制系統是典型的非線性大控制系統,根據本文提出的聯想記憶神經網路辨識器,與模糊神經網路控制器相結合,建立模型參考自適應控制方案,成功的實現了對單腔阻加熱爐的控制,模型參考自適應控制方案可以向其它大非線性特性的過程式控制制參量(如量、壓力、液位等)推廣。
  15. It can still decrease influence of the eddy current greatly while contace surface of coil type double - pole amf structure is not need to be slotted, so it can also decrease surplus axial magnetic field when the current is at zero and axial magnetic field hysteresis time

    線圈式兩極縱向磁場觸頭結構的觸頭表面不需開槽仍能大大降低了渦的影響,因此也減小了零點時的殘余縱向磁場和縱向磁場時間。
  16. In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors

    本文以永磁同步動機為研究對象,分別對同步動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究,研究中採用了環控制方法,可有效地限制過現象;此外採用磁鏈跟蹤法對位置開環和位置閉環的步進控制系統分別進行了探討與研究,研究表明,採用矢量細分,可有效地減小波動。
  17. Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers

    本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理,為解決橋臂不易實現零壓開關( zvs )的情況,討論了另外三種全橋移相zvsdc dc變換器的路拓撲,重點分析並解決了四個方面的問題:如何擴大zvs的負載范圍;減小變壓器原邊環,降低變換器系統通態損耗;減少變壓器次邊有效占空比丟失;消除輸出整二極體的寄生振蕩。
  18. The scheme of realizing soft - switching can be found, at the same tune, the concepts of the leading switches and the lagging switches are presented. two kinds of soft - switching methods, zero - voltage - switching ( zvs ) and zero - voltage and zero - current - switching ( zvzcs ), can be classified on the base of realizing soft - switching of the lagging switches

    在對其控制策略的研究中,找出了可以實現軟開關的方案;同時提出了超前管和管的概念,根據管實現軟開關的方式,將變換器的軟開關方式分為兩類:零壓開關方式和零壓零開關方式。
  19. 4 in the sinusoidal alternating circuit that only contains a capacitor, the voltage across the capacitor lags the current through it by 90, and they have the same frequency

    在只含有容的正弦交路中,滯后電流90 ,且它們具有相同的頻率。
  20. Secondly, the steady and transient characteristics of concentric cylinder er clutch and plane er valve are studied with the consideration of yield. it can be found that when the extra electric field is suddenly applied, non - yield region in the clutch dose not generate synchronously. there is a retardation time which becomes shorter while the extra electric field becomes stronger

    對圓桶型變離合器動力學特性的分析發現,在離合器關閉時突加場瞬間,場中並未瞬時產生未屈服區,而存在時間,且隨外加場強度的增大而減小;變液屈服應力方程中,參數以2 . 0為界,和時,離合器動力學特性具有顯著區別。
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