超電壓電阻 的英文怎麼說

中文拼音 [chāodiànyādiànzǔ]
超電壓電阻 英文
overpotential resistance
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 電 : 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...
  • 壓 : 壓構詞成分。
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 電壓 : voltage; electric tension; electric voltage
  • 電阻 : （物質阻礙電流通過的性質） resistance; electric resistance （電路中兩點間在一定壓力下決定電流強度...
  1. In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis

    論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。
  2. 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諧振型恆頻移相單相高頻鏈逆變電路拓撲，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，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  3. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  4. Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. equipment for testing, measuring or monitoring of protective measures - resistance of earth connection and equipotential bonding

    不超過交流1000v和直流1500v的低壓配電系統電氣安全性.防護測試測量或監測設備.接地和等勢屏蔽接地阻抗
  5. So choose parameter of damping device with reduce energy storage to improve cvt become and respond effective way of characteristic wink rational, this increases the capacity of sending for raising the dynamic stability of the supervoltage power transmission and transformation system, guarantee power system safe and reliable to run and have important technology economic meanings

    因此，合理地選擇阻尼器的參數以降低儲能是改善cvt瞬變響應特性的有效途徑，這對于提高超高壓輸變電系統的動態穩定性，增大輸送容量，保證電力系統安全可靠運行具有重要的技術經濟意義。
  6. For the requirement of more negative differential resistance ( ndr ) routes, three split quantized energies are formed in the four - period inp / ingaas superlattice structure with relatively thin ingaas quantum wells under ideal flat - band condition, and high - field domain in the superlattice is formed under sufficiently large operation bias

    為獲得?多軌跡的負微分電阻，本研究組件使用?相當薄之砷化銦鎵?子井，可使四周期磷化銦/砷化銦鎵超晶格結構在平帶情況下形成三個分?的?子化能階，且於足夠大的操作偏壓下在該超晶格結構中形成?高場區域。
  7. The cmr materials have complex physical properties. some phenomena of the lacamno3 films are discussed, such as the effects of mismatch between the substrates and the films, the variation of the resistance of films under different bias currents. and the effects and improvements are discussed with details after the films are annealed in high temperature and high oxygen pressure

    超巨磁電阻材料有著復雜的物理性質，我們對lacamno _ 3薄膜材料所表現出來的一些現象進行了討論，如應力變化對薄膜性質的影響、不同偏置電流與薄膜電阻變化的關系等，還特別討論了薄膜在高溫、高氧壓環境中退火所帶來的影響以及薄膜性質的改善。
  8. However, when the applied bias voltage is located within negative slope regions of u - i curve, the superlattice will undergo a very fast dynamic process, changing from one stable state to another stable state. the superlattice exhibits temporal current oscillations in the negative differential conductivity region at fixed d. c

    當外加電壓使電流處于正微分電導區變動時，超晶格的高低電場疇之間的疇邊界不發生移動，只是相應的電場強度作些調整；當外加電壓使電流處于負阻區域時，超晶格將經歷一個穩態到另外一個穩態的動力學轉變。
  9. The simulation results show the existence of both limits and optima for the studied parameters, related to the stable operation and the maximum efficiency, respectively. underlying the conditions that the longitudinal guiding magnetic field is 1. 8t, diode voltage is 250 kv, the impedance is 150, we got a peak power as high as 100 mw for the tm01 mode at 38ghz

    經優化設計，本文給出了一個相對論亞納秒毫米波返波振蕩器的物理模型，在引導磁場為1 . 8t 、二極體電壓為250kv 、阻抗為150的情況下得到了超輻射狀態下輸出微波峰值功率為100mw 、中心頻率為38ghz 、模式為tm _ （ 01 ）模的微波輻射。
  10. The impedance matching design of the ultrasonic motor has been completed. the measuring pzt have been adhered to either side of the stator, measuring voltage changes of it making use of piezoelectric effect when the ultrasonic motor works

    為增大馬達的輸出能力，定子採用雙面粘貼壓電陶瓷驅動。建立了超聲波馬達的等效電學模型，完成了超聲波馬達阻抗匹配的設計。
  11. Petroleum and natural gas industries. non - destructive testing methods of steel tubers for pressure purposes. ultrasonic testing of the weld seam of elcctric resistance and induction welded steel tubes for the detection of longitudinal imperfections

    石油天然氣工業.承壓鋼管無損檢測方法.電阻焊和感應焊鋼管焊縫縱向缺欠的超聲波檢測
  12. Two chinese invention patents, which titled " manganin thin film ultra - high pressure sensors " and " preparation method of manganin thin films with low temperature coefficient of resistance ", have been applied based on the above original work of this thesis

    以上第l 3創新點及第5創新點已經分別申請了兩項中國發明專利： 「薄膜式錳銅超高壓力傳感器」和「低電阻溫度系數錳銅薄膜的制備方法」 。
  13. Calibration of a single range dc insulation resistance tester for one output voltage ( normally not exceeding 5 test points )

    按一輸出電壓，校正一臺單量程的直流絕緣阻值測試表（通常不會超過五個測試點） 。
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