電流反向 的英文怎麼說

中文拼音 [diànliúfǎnxiàng]
電流反向 英文
current reversal
  • 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...
  • 流 : 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...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer.

    位移電流的機理只對反向偏壓或要維持空間電荷層所需要的非常弱的正向偏壓條件下的電容器才有用。
  2. This condition, known as reverse bias, is not conducive to current flow through the junction.

    這種叫做反向偏置的狀態不利於電流穿越結。
  3. The presence of a large density of contaminant causes anomalous increases in the diode current with increasing reverse bias.

    大量沾污也會使二級管電流隨反向偏壓的增加而呈現反常的增大。
  4. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。
  5. Measurements of the electrical properties of transmitting tubes - measuring methods of reverse grids current

    發射管電性能測試方法柵極反向電流的測試方法
  6. Compared with existing modulating method, torque ripple is greatly reduced by uniform modulating in one monocycle, increasing current slope of upcoming conducting phase instantaneously suppresses the torque ripple by 30 ’ during low speed with obviously lower initiating noise

    採用單周期內各功率管均衡調制的方式，不僅消除了反向電流，而且與其他調制方式相比，可使轉矩脈動較小。
  7. At normal operating voltage, the tvs diode is inactive, like an open circuit

    雪崩崩潰二極體是以反向電流的方式，連接在線路上。
  8. However, the h - bridge maglev chopper has serious switching losses, so as to have snubber circuit ; there is high emi with the chopper

    然而， h -橋斬波器開關損耗大，需要添加緩沖網路，電磁干擾十分嚴重;對供電電源有反向電流沖擊，容易造成供電電源和濾波電容的損壞。
  9. Superior frequency characteristics shortest recovery time, realize the switching of the circuit, complete functions such as open and close, clip wave, wave detector, high - frequency rectifier, logic control, which fit for all kinds of digital circuits and analog circuits

    具有良好的高頻開關特性反向恢復時間短，可實現對電路開和關的控制功能，可完成開關限幅檢波高頻整流邏輯控制等功能，適用於各類數位電路類比電路。
  10. On the other side, measuring errors of grounding resistance and solution of current voltage electrodes reversing has been compared with horizontal two layers and vertical delaminating ( three layers soil )

    比較分析了電流電壓極反向布置、在水平雙層和垂直分層或三層土壤結構中接地電阻測量的誤差和解決辦法。
  11. The researching results indicate the reverse recovery characteristics of the device are much improved : the reverse recovery time is remarkably shorted, the peak reverse current is notably reduced and the soft factor s is also increased in various degrees but not notable changed in forward drop when introducing the two kinds of novel structure

    結果表明，採用新結構后，反向恢復特性大大改善，恢復時間明顯縮短，軟度因子s顯著提高，反向峰值電流也有不同程度的降低，其綜合性能遠遠高於si同類型結構及常規p ~ + （ sige ） - n ~ - - n ~ +二極體。
  12. Conventional hard switching technology has several flaws below : on and off loss, inductive off, capacitive on and diode recover problems. comparing with it, the loss of on and off decreases markedly, as the switches are on and off in zero voltage or zero current cases. and also the size of converter becomes smaller because of the higher of switching frequency

    傳統硬開關技術由於存在開通關斷損耗大、感性關斷、容性開通、二極體反向恢復等問題，與之相比，軟開關技術在零電壓或零電流條件下導通，開關損耗明顯降低，加上開關頻率的提高使得變換器的體積得以減小，這也是軟開關技術受到青睞的原因。
  13. Collector backward current

    集電極反向電流
  14. Inverse - time characteristic equations for overcurrent relays

    過流繼電器反向時間特性方程式
  15. It is shown that under the action of the shock, the region current moves towards the midnight, accompanied by a successive occurrence of two fac structures : an anomalous fac pair of opposite direction to the region current and a new region current of the same direction

    模擬結果表明，在激波的作用下，電離層區電流系統向子夜方向運動，在向陽側相繼出現與原區電流反向的異常場向電流對和同向的新生區電流對。
  16. Lamp controlgear - part 2 - 10 : particular requirements for electronic invertors and convertors for high - frequency operation of cold start tubular discharge lamps neon tubes

    燈具控制裝置.第2 - 10部分:冷啟動管狀放電燈高頻操作用電子反向變流器和電子變流器的特殊要求
  17. It is composed of four parts : dc ( direct current ) power supply, resonance charging and polarity reverse unit, electric relay control unit and computer control unit

    它主要由四部分組成：三相整流直流電源，諧振充電及電壓反向單元，繼電器控制單元，計算機控制單元。
  18. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  19. A current that flows in an opposite direction to the flow of another current

    逆流，反向電流；逆電流與另一水流或電流的流向相反的水流或電流
  20. The direction of an induce current is such as to oppose the cause producing it.

    感生電流的方向是這樣的，使得感生電流反抗產生它自己的那個原因。
分享友人
分享到 Line

分享到臉書