line transient 中文意思是什麼

line transient 解釋
線路瞬變,線路瞬態
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • transient : adj 短暫的,一時的;過渡的;匆匆而過的;易逝的;虛幻的,無常的 (opp lasting permanent); 【物理...
  1. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線故障以後,線路中會出現負序電流的突變,可以作為故障啟動判斷的標志,並且通過分析得出了故障時負序基波電流的相位特點。在故障暫態過程中,故障電流中含有大量豐富的諧波成分,各次諧波在故障期間有突變,並且衰減很快。
  2. In order to realize the on - line prediction the baking temperature of ladle lining, and to study its temperature uniformity, a 3 - d transient mathematical model with multi - inlet and multi - outlet of ladle heating facility facilities was built

    摘要為了對鋼包的烘烤溫度進行在線預測,筆者耦合了流體流動、燃燒和換熱過程,建立了多入口、多出口的三維非穩態鋼包烘烤數學模型。
  3. At first, some advances in the research of dynamic response of cylindrical shells and conical shells are reviewed, and those approaches for studying such kind of problems are summarized here as well. the main objects studied in this paper are the transient response of cylindrical shells under longitudinal line - loading and that of conical shells under cosinoidal impulsive loading

    首先回顧總結了圓柱殼和圓錐殼動力響應的研究進展情況,並簡單歸納了該類問題研究的方法,確定了本文的研究對象主要是縱向線載荷作用下的圓柱殼瞬態響應和餘弦沖擊載荷作用下的圓錐殼瞬態響應。
  4. The dynamic response of cylindrical shells and conical shells under radial non - uniform impulsive loading has an important application in the filed of military and civil engineering. in this dissertation, the problem of transient response of the cylindrical shell under longitudinal line - loading and that of the conical shell under cosinoidal impulsive loading are studied, and some useful conclusions that have important significances in both theoretic studies and engineering applications are obtained

    圓柱殼和圓錐殼在側向沖擊載荷作用下的動力響應具有重要的軍事和民用工程背景,本文對縱向線載荷作用下的圓柱殼瞬態響應問題和餘弦沖擊載荷作用下的圓錐殼瞬態響應問題進行了研究,取得了一些具有重要理論意義和實用價值的研究成果。
  5. Transient characteristics during pulse operation of liquid feed line for the attitude control rocket engine

    姿控發動機脈沖工作的管路瞬變特性
  6. This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic

    本文針對小電流接地系統選線的問題,從軟體演算法的角度進行了研究,主要內容如下:對小電流接地系統故障前和故障后系統的運行特點進行了分析,並且對小電流接地系統發生單相接地故障后,故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析,找到了故障的規律以及其故障信號的表現形式,為對各種演算法的分析比較打下了基礎。
  7. The typical performance characteristics include : line and load transient response, efficiency, output voltage ripple, quiescent current, maximum load current, output voltage temperature characteristics and the short

    其中,整體模擬指標包括:晶元線性調整率和負載調整率、轉換效率、輸出電壓紋波、晶元靜態電流、最大負載電流、輸出電壓溫度特性及短路負載電流。
  8. Test method for thermal conductivity of plastics by means of a transient line - source technique

    利用瞬間線性源技術測量塑料熱傳導率的試驗方法
  9. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷,更將故障定位在故障線路最小故障區段。
  10. A new intelligent on - line method for obtaining the optimal reclosing time of transient faults is presented and verified and satisfies the need of real - time

    提出並驗證了瞬時性故障最佳重合時刻的智能式在線捕捉新方法,滿足實時需要。
  11. The thesis systematically and deeply studied in faults identifying of automatic reclosing and on - line obtaining the optimal reclosing time of transient faults based on wavelet transform and artificial neural network

    本文較深入系統的研究了單相自動重合閘的故障判別及其瞬時性故障最佳重合閘時刻的捕獲問題。
  12. For the severe limitation that the selectivity of transient current protection will lose when the fault with small resistance or without resistance takes place at the end of transmission line, the basic reason for the selectivity loss of transient current protection was investigated

    摘要針對保護出口處發生金屬性或小電阻短路故障時,暫態電流保護完全失去選擇性的嚴重缺陷,利用時域分析方法,進行了詳細的故障暫態分析和模擬研究。
  13. Transient response analysis of transmission line by a of numerical solutions

    傳輸線暫態響應的一種數值演算法
  14. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  15. Standard test method for thermal conductivity of plastics by means of a transient line - source technique

    用瞬變線源技術對塑料熱導性的標準試驗方法
  16. Love is a telephone which often has crossed lines. and this usually happens to you unexpectedly., your line will either cross or be crossed. both cases are referred to as " triangles ". fortunately, all such occurrences are transient

    愛情是一部電話,綜經常串線.而且串線常常是在你意想不到時發生.不是你的電話與別人的串線,就是別人的電話與你的串線.這兩種情況都被稱為"三角串" .幸運的是,所有這些串線都是瞬時現象
  17. In probabilistic dynamic security assessment, probabilistic transient stability " is mainly discussed. detailed models of transmission line, protection system and emergency control measures are added to step - by - step transient stability programs

    首先建立動態模擬中輸電線路和保護系統的詳細模型,建立了基於時域模擬的暫態穩定模型,以及各種緊急控制措施模型。
  18. In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc

    文中,比較分析了現有的多種離線手動調節流量平衡的方法,在水輪機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的葉片安放角,分別能對泵站前池水位和泵的輸出流量進行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在線自動調節動態模擬得以在微機上得以實現。
  19. Method of equivalent machine transient energy function for on - line transient stability assessment

    在線暫態穩定評估的等效機暫態能量函數法
  20. By comparison, implicit euler is better method as a kernel of transmission line simulation computing and programming to transmission line transient with different conditions of boundary and two line coupling or even more complicated internal switching or loading

    本文對傳輸線在不同邊界條件、傳輸線耦合、線路內部突然開路、短路、接內部接各種負載等情況下的暫態過程進行編程計算的到模擬波形。
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