零阻抗 的英文怎麼說

中文拼音 [língkàng]
零阻抗 英文
zero-impedance
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • 阻抗 : [電學] impedance
  1. If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential

    如果被保護的節點的電位是(或接近)電位,採用地線保護環最為合適;如果節點電位是其他值,那麼可以用高輸入放大器組成緩沖器,輸入端連接該節點,輸出端連接保護環。
  2. The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer

    本文介紹了在ptcad2000平臺下短路電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接線圖轉成等值可計算網路、序網的生成、考慮序互感線路時電網導納矩陣和矩陣的生成,以及故障點短路電流計算的計算機實現。
  3. For multi - infeed hvdc systems, when the minimum eigenvalue of the system becomes zero, the voltage stability graph can be plotted effective short circuit ratio as function of coupling impedance

    對于多饋入hvdc系統,在最小特徵值為的情況下,可以根據這種關系作出有效短路比?連接圖,即電壓穩定圖。
  4. When mixed with the lubricating oil, the nanometer particles can improve lubricating oil ' s abilities of extreme pressure, anti - wear and reduce frictional resistance

    將納米粒子加入到潤滑油中,可以提高其極壓性能和磨性能,減少摩擦力,延長機器部件的使用壽命。
  5. As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material

    新型縱流殼程換熱設備作為一種新一代節能降耗設備,具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動力小、結垢能力強、重量輕等優點,是鄭州大學「熱能工程研究中心」專利產品,為了加快該設備的推廣, 「中心」研發了hecad軟體系統,實現了新型換熱設備工藝設計、機械設計、部件,圖及總裝圖繪制一體的cad軟體化。
  6. The research job includes bringing a project about fault calculation, using node impedance matrix as maths model of network to derive the arithmetic based on the fundamental of modifying impedance matrix by adding the branch, building the whole database with micosoft access. the whole project is realized with visual c + + 6. 0. it is applied to au hui electric network, and is proved correct

    本文首先根據系統的要求,綜合考慮各種運行方式變化,提出合理的序電流,分支系數的計算方案;然後採用節點矩陣作為系統的數學模型,推導出基於支路追加法的矩陣快速補償優化演算法,從而實現計算方案;最後以micosoftaccess為工具設計出完整的故障計算數據庫。
  7. This paper mainly analysis the function of dc power supply distribution chest and introduce the design of overall project, at the same time analysis the design of electric properties insulation properties 、 di - electric strength as well as the design of primary part

    摘要本文主要分析了直流配電箱的功能,介紹了總體設計,同時對導電性能、絕緣電電強度和其中主要件結構設計等進行了分析。
  8. Owing to weak output signals integrated amplifier is designed, which is characteristics of shorter wires, higher input impedance, higher common mode rejection ratio and series mode rejection ratio, smaller zero shift and temperature shift

    由於輸出信號微弱,採用短線路傳輸,高輸入,共模抑制比和串模抑制比高,溫漂和漂小的集成運放電路。
  9. This paper presents a novel method for short - circuit current calculation, using zero impedance branch to simulate electrical equipment ( such as circuit breaker )

    提出了將電氣設備(如斷路器等)用一條零阻抗支路模擬的短路電流計算方法。
  10. The preamplifier will drive a low impedance load without alteration in the signal, in fact it can be used as a current source driving a 0 impedance mixer junction without any distortion

    這個前級放大器能夠驅動一個低的負載而不會引起信號的變化,實際上它可以用作一個驅動零阻抗混合節點,而又不產生任何失真的電流源。
  11. It utilizes zero impedance branch characteristic, combining structure - transform and structure - static short - circuit current calculation method to calculate the short - circuit current directly through the electrical equipment when short - circuit fault takes place at the two sides of the electrical equipment, and settles the problems that the traditional method cannot directly figure out the short - circuit current

    該方法利用零阻抗支路特點,結合定結構和變結構短路電流計算方法,能夠直接求出在電氣設備兩側分別發生短路時,通過電氣設備(如斷路器)的短路電流,從而合理地解決了傳統的故障分析方法不能直接求出流過設備的短路電流的問題。
  12. Then, based on the estimation algorithm decomposing the measurement of voltage scope and power scope, the problems of the location of transformation tap settings and the tide current estimation of zero - impedance branches in state estimation are solved ; and detection and identification of bad data in state estimation are deduced and stimulated, also a hybrid method of detection and identification is brought forward

    隨后,在基於分解電壓測量量和功率測量量的估計演算法的基礎上,對狀態估計中經常出現的變壓器抽頭位置問題和零阻抗支路潮流估計問題進行了分析和處理;對狀態估計的不良數據檢測與識別方法進行了推導和模擬,並提出了一種混合檢測方法。
  13. A circuit with at least one capacitor and one inductor is in resonance when the imaginary part of its admittance ( or impedance ) is equal to zero

    含有至少一個電容和一個電感的電路,當其導納(或)的虛部為時,電路發生諧振。
  14. Negative sequence impedance

  15. Zero sequence impedance

  16. According to zero sequence voltage distribution from system zero sequence impedance to shunt reactor zero sequence in zero sequence circuit, the zero sequence voltage at the terminal of shunt reactor and the zero sequence compensating voltage at neutral are compared in the scheme

    即根據序網路中序電壓在系統和電上的分佈情況,通過直接比較電器首端序電壓與補償到電器末端中性點的序補償電壓的幅值大小,來判別電器匝間故障。
  17. How to improve the accuracy of flux observer is very important in high - performance motor system, especially at low - speed or zero - speed situation. high - frequency signal injection is believed the efficient method to solve these difficuilties

    高頻信號注入來實現極低速甚至速情況下磁鏈位置的觀測是目前該領域的熱點研究內容,本文採用的是d - q軸差異法。
  18. The products are widely used in bopp film, pe film, pe slice, pp slice, pp packing barrel ( box ), nylon shuttle, polypropylene fibre, artificial coated fibre, hips, abs crust of household appliances, car parts, etc. hdc series can greatly reduce the surface resistance of plastic products to 10

    產品已廣泛應用於bopp薄膜、 pe薄膜、 pe片材、 pp片材、 pp包裝桶(箱) 、 pp雙帶(布) 、尼龍梭子、丙綸纖維、人造塗布、 hips 、 abs家電外殼、汽車部件等多種防靜電製品。 hdc系列產品能顯著降低塑料製品的表面電,使其達到10
  19. But due to the existence of the fault resistance, the branch current, the zero sequence mutual coupling and so on, the apparent impedances and protection scope of distance protection will change, thereby affecting the performance of distance protection and the safety operation of power system

    然而,由於過渡電、分支電流和序互感等因素的影響,會改變距離保護測量的大小,造成距離保護動作范圍的擴大與縮小,從而影響距離保護的性能,威脅電力系統的安全運行。
  20. Having lower and unified positive ( negative ) and zero sequence impedance, which benefits to improve the power supply quality

    具有較低而有均勻的正(逆)充和,它有利於改善供電品質。
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