瞬間開關 的英文怎麼說

中文拼音 [shùnjiānkāiguān]
瞬間開關 英文
snaswitch
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 關 : 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...
  • 瞬間 : moment; instant; minute; wink; in the twinkling of an eye瞬間點焊 shot weld（ing）; 瞬間高壓試驗 ...
  1. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  2. Rational control of the pump ' s work and rest time is the key to solve the problem of void pumping. this essay gives theoretical analysis and cost comparison of every detective method, considers power detection as the most effective method, and puts forward several ways of power consumption and effectiveness power consumption at the same time. the designed electricity saving controller integrate all the above four methods, and it can work with different methods by switch between automatic and manual to broaden its accommodation

    解決油井空抽現象的關鍵是合理控制開機時間與停機時間長度，本文對各種檢測方法進行了理論分析及成本比較，認為功率檢測最行之有效，同時提出了功率檢測的幾種實現方法，即瞬時功率法、人工電耗法、設定功耗法及效益功耗法，所設計的節電控制器集以上四種方法於一身，可通過自動手動切換採取不同的功率檢測方法，使其適應范圍增寬。
  3. Electronic pressure switches trigger changes in switching state with the aid of electronic semiconductor switches, which process the minutest sensor signals

    電子壓力開關是在可以處理瞬間傳感器信號的電子半導體開關的協助下改變開關狀態。
  4. 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。
  5. In the throes of a broken heart, it does indeed seem like the end of the world

    中學開始迷上影像的風間志織，擅長在瞬間時空捕捉飄渺微妙的感情關系。
  6. Under the effect of instantaneous blasting shock wave, the reliability of lining is affected. the influence on existing tunnel relates to amount of dynamite, tunnel space, area of vvok face and rigidity of round rock

    在爆破沖擊波的瞬間作用下，既有隧道襯砌安全性將受到影響，裝藥量、隧道間距、開挖面面積、圍巖軟硬程度都與爆破沖擊對既有隧道的影響有關。
  7. This thesis is about the torque ripple minimization of switched reluctance motors ( srm ) under the base speed. based on the instant torque control strategy, aiming to minimize the torque ripple of srm during commuting and to obtain excellent dynamic and steady state performances

    本文主要研究開關磁阻電動機（簡稱sr電機）在基速范圍以下轉矩脈動的抑制問題，研究時以瞬時轉矩控制為基礎，旨在減小換相期間sr電機的轉矩脈動。
  8. Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock

    本文用數值分析的手段，對既有隧道的安全性進行了彈塑性靜力分析、瞬態動力學分析和結構力學分析，如下： （ 1 ） 、新建隧道的開挖對既有隧道造成偏壓影響，使得既有隧道發生偏轉和變形，從而對隧道襯砌產生不良後果，其影響程度與隧道間距、施工方法、地形和圍巖狀況有關。
  9. The typical performance characteristics include : load transient response, efficiency, output voltage ripple, output voltage vs. load current, switching waveform, and soft - start time. the simulation results indicate that the ic has achieved the expectation, both function target and electrical characteristics. although there are unavoidable disadvantages of the project, it is a worthwhile and valuable experience

    在完成系統原理分析、總體架構設計及子電路設計的基礎之上，還應用hspice對各個子電路和整體電路進行了模擬驗證，其中，整體模擬指標包括:軟啟動時間、瞬態響應時間、轉換效率、輸出電壓與負載的關系、輸出電壓紋波、開關波形。
  10. Madam president, it has been one year since china s accession to wto and the remaining four years will pass " in the wink of an eye ". this period of transition will be a crucial moment for economic integration between hong kong and the prd as well as a great opportunity for hong kong to explore the new and enormous market on the mainland. we should capitalize on our advantages, ride on the crest of the wave, and form a close partnership with the people of the guangdong province to build the third miracle of hong kong s economic development

    主席女士，中國內地加入世貿已經一年了，而剩下來四年的過渡期相信亦會瞬間即過，可以預計在未來的數年內，是香港與珠三角經濟融合的關鍵時刻，也是香港在開拓中國這個龐大新興市場的有利時機，我們一定要加緊步伐乘勢而上，與粵省人民走在一道，才能創造出香港第三次的經濟發展奇跡！
  11. Three kinds of the usual methods of rotor flux estimation are compared and analyzed, and the method of rotor flux estimation based on the voltage model is studied in detail. and the output phase voltage is reconstructed by means of the dc - bus voltage and the switching states of the inverter, the effect of the dead time and saturating voltage - drop of the switches on flux estimation is discussed. and the method of synchronizing instant speed identification is also studied deeply

    本文對三種常用的轉子磁鏈觀測方法進行了對比分析，在此基礎上著重研究了基於電壓模型磁鏈觀測方法，分析了利用直流母線電壓和逆變器三相開關管的狀態進行輸出電壓重構方法，討論了死區時間和開關管飽和壓降對磁鏈觀測結果的影響，深入研究了同步瞬時轉速辨識方法。
  12. A device having one output channel and one or more input channels, such that the output channel state is completely determined by the input channel states, except during switching transients

    具有一個輸出通道和一個或多個輸入通道的一種器件，除開關瞬間外，其輸出通道的狀態完全由輸入通道的狀態決定。
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