端電流 的英文怎麼說

中文拼音 [duāndiànliú]
端電流 英文
terminal current
  • : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
  • : 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. 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

    論文提出以輸線路本和對端電流壓、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輸線路實時參數計算;提出以三繞組自耦變壓器的壓、功率為輸入量,導出了自耦變壓器繞組的阻、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. In this paper, a kind of output current feed - forward circuit is added into the input of the current loop. by adding this compensatory circuit, the output character of the inverter is improved greatly

    本文還研究了一種提高逆變器輸出壓外特性的思路,通過將負載正反饋給逆變器的環輸入,從而達到提高輸出壓的外特性的目的。
  3. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外水站自動控制裝置的研究和發展狀況,尤其是國內小型水站的自動化現狀,針對現有力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水站內各種模擬參數和數字信號的實時監測功能,還對水輪發機組進行了調控,通過與上位機處理程序的配合,可以實現水站的自動發控制、機組順序啟停;在測量發機組機壓和參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。
  4. It is well established that facet damage is caused by the optical flux density at the laser facet and that it is not a function of the operating current.

    業已明確肯定,面損傷是由激光器面的光密度引起的,並且不是工作的函數。
  5. However, by the time a lightning strike has traveled through the distribution network, surge arrestors will have dissipated a proportion of the charge, network impedance will have shaped the impulse and the residual energy can be represented in terms of its waveshape, and its peak current which is what will be present at a service entrance

    然而,雷擊經過力網路進行傳送以後,避雷放器會將一部分能量泄放掉,網路的阻抗也會對涌進行修整,而殘余的能量將可以以它的波形來體現,其峰值也就是建築物進入將會出現的情況。
  6. Finite element method ( fem ) is used to quantificationally simulate the current density distribution of the whole cfrc sample, and to explain the mechanism and reason for precipitations " depositing in the crack tip

    利用有限元定量地模擬了整個試件的密度分佈狀況,闡述了沉積物在裂紋尖的沉積狀況及其原因。
  7. The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole

    其研究重心是定量計算橢圓孔對密度以及板內應力分佈在橢圓長軸點處的集中效應。
  8. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的差動保護無論對於何種形式的輸線路都是一種簡單、可靠、選擇性強的保護形式,力系統的發展使得差動保護應用於線路保護成為需要,而子、通信技術的發展使得差動保護應用於輸線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量差動保護易受正常負荷和故障過渡阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值差動保護在可靠性、靈敏度、抗互感器飽和方面明顯優于常規相量差動保護,對差動保護各的同步采樣方法和數據通信也進行了分析和評價。
  9. Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice

    空氣間隙的存在使覆冰絕緣子表面的場分佈發生了明顯畸變,間隙上承受了非常高的壓,這使得冰凌尖場變得相當強,一旦場達到了暈的起始場,局部放就在這一區域發生,進而產生局部弧並逐漸發展成整串的閃絡,泄漏迅速增大,同時伴隨著冰的融化。
  10. The end result is that the semiconductor and metal form two strips side by side, with all the electrical contacts ? two for sensing a voltage, two for passing a current in and out ? along the free edge of the semiconductor

    結果半導體與金屬變成相鄰的長條狀,所有性接點都接到半導體的露出:包括兩個用來測量壓的接點,以及兩個分別讓進與出的接點。
  11. An automatic fault location method is proposed based on ftu after the circuit analysis of single line - to - ground fault in distribution networks

    通過對配網發生單相接地故障后饋線的壓、變化規律的分析,論文提出了基於饋線現場監控終ftu的故障點智能定位方法。
  12. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試路向偏置線圈輸入偏置和小信號測試,兩者產生的偏置磁場在控制線圈產生感應信號,檢測路檢測控制線圈壓並提取含有轉子位移信息的壓信號,該信號經半波整路和低通濾波路后得到與轉子位移成正比例的直信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放路產生控制,實現閉環控制。
  13. This is the maximum output source or sink current that can flow safely into an output terminal of the device at voltages within the normal operating range

    持續輸出是指器件的輸出可以安全地注入或泵出的最大
  14. This type of combined transformer consists of two single - phase all - insulated voltage transformers and two current transformers, divided into two types ? oil - immersed type and dry type, its primary and secondary outlet terminals are led out respectively through insulating porcelain jacket, outside the transformer tank there is equipped with electric meter box, which can be installed integrally with the combined transformer or hung up separately

    本型組合互感器是由兩臺單相全絕緣的壓互感器和兩臺互感器組合而成,分油浸式和乾式兩種結構,其一、二次出線子分別通過絕緣瓷套引出,箱體外側配置表箱,可與組合互感器一體化安裝,也可獨立懸掛安裝。
  15. Aerospace series - elements of electrical and optical connection - test methods - part 218 : ageing of terminal lugs and in - line splices by temperature and current cycling

    航空航天系列.光連接件.試驗方法.第218部分:終插片和內連接件的溫度循環老化和循環老化
  16. Besides the simple control and relatively larger force by increasing the dimensions, one of the most important reasons for this is that the basic elements of the microactuators can be fabricated with ic - compatible micromachining technology, such as electroplating of ni - fe alloy, a soft magnetic material, and structuring of plane and three - dimensional coils by resist micromoulding and electroplating

    最後,最為關鍵的是磁驅動的基本材料與微機械加工技術是相兼容的,它們可以採用微機械加工方法進行加工。光開關的切換可以通過懸臂梁下磁鐵線圈中的進行控制。
  17. A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space

    通過使用換刷的組合作為一個機械整器以使得樞的壓為單方向的同時也使得由所產生的磁動勢在空間是固定的。
  18. Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines

    然後,本文提出了一種基於gps同步采樣的雙量故障測距演算法。該演算法僅利用輸線路兩的三相基波壓、分量來進行故障定位,不受線路兩系統阻抗、故障類型、過渡阻等因素的影響,對參數對稱線路和非對稱線路均適用。
  19. In the last part, the relationship of the field current with the operational factors of the turbo generator is difficult to express exactly, belonging to the complexity of building the generator model and the difficulty of identifying generator parameters, gp algorithm is presented, which is better than other method in symbol regress

    由於發機的建模與參數辨識困難,發機勵磁和機量之間的關系難以用精確的數學表達式來描述。利用gp演算法在符號回歸中的應用,得出發機勵磁和機量之間的關系表達式,用於故障診斷,並通過算例驗證了該方法是有效的。
  20. In the third chapter, a methodologies to realize second - order band - pass filter with which center frequency tuned in a wide range using mcdi ( multiple output current - mode differential integrator ), these two kinds of mcdi are composed of pmos and nmos input transistors respectively, lastly we compare these two integrators " merits and disadvantages

    第三章:提出了輸入級分別為pmos管、 nmos管的多輸出端電流模式全差分積分器,並由此構成了中心頻率連續可調的二階帶通濾波器,同時比較了二者的優缺點。
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