選線 的英文怎麼說

中文拼音 [xuǎnxiàn]
選線 英文
route selection
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. An integrative device of single - phase grounding line selection and grounding current compensation in distribution network

    配電網單相接地選線和接地電流補償一體化裝置
  2. Study on grounding method and wire selection of monophase grounding for coal mine high - voltage power system

    煤礦高壓供電系統接地方式及單相接地選線研究
  3. Wavelet analysis theory and its application in power system have been introduced briefly. this paper gives a general overview of various neutral grounding modes. some existing theories schemes on the fault line selection have been summarized systematically

    文中簡要介紹了小波分析的理論基礎及其在電力系統中的應用現狀,概述了配電網中性點各種接地方式的優劣,系統歸納了現有的各種選線原理和方案的特點,提出了尚需解決的問題,並給出了分析的結論。
  4. In this paper, the meaning of research and development status of the small current grounded line detection devices. the current measurement principles, the relevant structures and reasons for their success or failure of the devices in lining power network are analyzed. then, the principles of wavelet analysis, resonance wavelet analysis and energy analysis are detailedly introduced

    本文簡述了小電流接地選線研究的重要意義,介紹了小電流接地系統單相接地故障選線的發展狀況,及濟寧電網現有選線裝置的測量原理和結構,分析了各種選線模式成功與失敗的原因。
  5. The devices for detecting phase - to - ground fault in ineffectively grounded systems are seldom functionary at present. based on thousands of experiments in high - voltage laboratory in north china electric power university, the reasons for misjudgment and the effective measures to avoid it are presented in this paper : to change pt connection form to prevent from ill - effects of ferro - resonant overvoltage ; to increase soft measures to resist against interference ; to adopt neural network method to obtain the virtual value of the detect way

    依據上千次實驗,我們找到了一些導致選線誤判的影響因素,並提出幾點防止誤判的措施,包括改變pt接方式,避免鐵磁諧振對選線的影響;通過對故障檢測方式的處理和使用連續判斷技術增強裝置的軟體抗干擾能力;嘗試採用神經網路演算法設定選線方法的有效域等。
  6. The paper gives the evidences for making use of auto - reclose technology in ineffectively grounded systems from its importance, feasibility and validity. to develop the single - chip microcomputer of the device, the paper does a lot of work of design hardware and software include using soft timer with task - plan solving the whole arrangement of the process

    選線裝置的實現方式上,本文提出了基於單片機方式的硬體電路的開發方案和軟體系統設計方案,嘗試了使用80c196kb的三個軟體定時器中斷結合任務型設計方法解決程序流程的問題。
  7. Scale choosing based on spectrum analysis in a novel wavelet principle for fault line selection

    小波故障選線新原理中基於頻譜分析的尺度
  8. Application of signal injection method for fault line selection and fault point location in resonance grounding system

    選線定位原理在諧振接地電網中的應用
  9. The result from field test shows that the effect of compensation and the faulted line selection is very good

    現場試運行結果表明,該裝置電容電流測量準確,補償效果好,選線準確。
  10. The fault line selection matter in such system is one of the problems, which have not solved successfully for many years

    小電流接地系統單相接地故障選線是多年來一直未能很好解決的一個難題。
  11. Then the idea of integral control of automatic resonance and single - phase earth faulted line selection was put forward

    並在此基礎上給出了補償電網中消弧圈自動調諧與單相接地故障選線一體化的綜合控制思路。
  12. The reasearch about both function device of compensate and line selection about single - phase grounding capacitire current for small current grounding system

    小電流接地系統單相接地電容電流補償與選線雙功能裝置的研究
  13. 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。
  14. Based all above, the digital railway plan system is developed. the system can do some operations including alternant planning the railway in the 3d terrain landscape, 3d modeling, budgeting the count of evolution, querying the information of the railway, outputting of avi

    該系統實現了在三維地形景觀中進行互動式的鐵路選線設計,並能對設計出的鐵路進行三維建模、挖方量預算、信息查詢以及三維場景的avi動畫文件輸出。
  15. Small earthing neutral grouding power system

    小電流接地電網單相接地故障選線的新方法
  16. Ground fault of 6kv electric - network and realization of ground protection

    電網接地故障與接地選線保護的實現
  17. 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路最小故障區段。
  18. Maglev, regarded as a " green " means of transportation of 21st century, has many remarkable advantages such as comfortable riding, high speed, good environmental adaptability, flexibility and nonpolluting, etc. compared with traditional railway train, maglev is running above the track

    磁浮列車以乘坐舒適、速度快、對地形適應性強、選線較靈活、無污染等特點,被稱為21世紀的綠色交通工具。和傳統輪軌列車相比,磁浮列車是脫離軌道運行的。
  19. Abstract : compared the accuracy of the digital terain models enlarged form the air photographs kept in stock, pointed out the reliability and frugality of the computerizing optimum choosing route in surveying and designing the expressway, and proved the feasibility of choosing the optimum route by taking two steps and the effect it has on the investment of the expressway construction and the policy - making as well

    文摘:比較了利用現成航攝像片"以小放大"數字化成圖的精度,並指出了其在高速公路勘測設計中計算機優化選線的可靠性及經濟性;同時也論證了兩步擇最優化路的可行性及其對高速公路建設投資的影響和決策。
  20. This paper is focused on the operation of single - phase earthprotection for little earth current system. based on the analyses for several kinds of ground protections, one ground protection with the functions of line selection and ground positioning is proposed for the complex automatic and mordern management for the electric substation. by this means, the economic, reliability, safty and stable operation for the grid can be achieved

    針對小接地電流系統單相接地保護的運行進行了論述,並分析比較了幾種目前採用的小接地電流系統單相接地保護的功能及優缺點,建議採用一種既能選線又能定位的小接地電流系統單相接地保護裝置,以適應綜合自動化和現代化管理的需要,確保系統經濟、可靠、安全、穩定運行。
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