直流線路 的英文怎麼說

中文拼音 [zhíliúxiànlù]
直流線路 英文
dc line
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 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...
  • 線 : 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...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 直流 : direct current （dc）; constant current; steady current; continuous current; zero frequency curre...
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  2. If an induction resolver is used then some electronic circuitry will be required to convert the resolver outputs to d. c. signals.

    假如採用感應式分解器，那麼就需要採用某種電子線路來把分解器的輸出轉換成直流信號。
  3. The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory

    以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。
  4. This simplification principle is the foundation of the following analysis. using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed

    （ 3 ）對一個僅含有直流輸電線路的系統，採用復轉矩系數- - - -測試信號法，對其次同步振蕩特性進行了分析。
  5. The explanation of field theory takes two independent equations in integral form derived from maxwell equations as basic law of circuit theory. beginning with two independent equations, ftn analyzed the linear dc and ac networks, nonlinear networks and many kinds of circuit analyzing methods and so on

    場論說的電路理論是以從麥克斯韋方程組導出的積分形式的兩組獨立方程組為基本定律，從此基本定律出發，推理演繹電路理論的基本內容，分析了線性直流和交流網路、非線性網路以及各種電路分析方法等。
  6. The maturity of stream media and cdn technologies will surely give a revolutionary impetus to broadband content and even to the entire broadband industry. they will provide end users with internet - based information services such as multimedia news release, on - line direct broadcast, network - based advertisement, e - commerce, vod, distance education, remote medicine, internet - based radio station and videoconferencing, and yield a comfortable profit to the value chain of the broadband industry, including operators, icps and isps. 2

    流媒體技術的發展和內容分發平臺的成熟，必將為寬帶內容提供革命性的推動力，必將喚醒整個寬帶產業，為最終用戶帶來網際網路多媒體新聞發布、在線直播、網路廣告、電子商務、視頻點播、遠程教育、遠程醫療、網路電臺、實時視頻會議等網際網路的信息服務，給運營商、內容提供商、服務提供商等整個寬帶產業價值鏈帶來豐厚的利潤。
  7. Guide for planning dc links terminating at ac locations having low short - circuit capacities

    端接在低短路能力交流場所的直流線路的設計指南
  8. Aiming at the problem that existence in the monitoring of simulate disk in local power grid, to enhance the level and efficiency of the electricity dispatch, to improve operation procedures, to change the troublesome work about 6kv line simulation disk, 35kv transformer substation and 6kv substation host cording diagram revision and maintenance from man - power, manual promotion to direct - viewing, real - time and work flow high automation level

    針對地方電網「模擬盤」監視中存在的問題，為提高電力調度工作水平和效率，完善操作規程，把煩瑣的6kv線路模擬盤、 35kv變電所和6kv配電所主結線圖的修改和維護工作從人工、手動提升到直觀、實時和工作流程高度自動化水平，實現電力調度日報、月報及日常管理實現規范化、自動化。
  9. Study and applications on the type of high - voltage direct - current transformation system

    高壓直流輸電系統中線路結構的研究與實現
  10. A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits

    通過分析6kv電纜絕緣監視保護的特點，提出了在高壓電纜監視線與接地線之間附加直流電源並利用v / f轉換實現監視保護的新方法，設計了相應的電路。
  11. Upon existent theoretical and experimental results and based on a great of laboratory investigations carried out in chongqing university, for the first time this paper studies systematically the insulators dc discharge performance and flashover mechanism of iced insulators in the complex atmospheric environment, which will contribute to the understanding of flashover phenomena observed on ice surface at low air pressure and provide the test and theoretical reference for hv and ehv transmission lines design and safety service

    為此，在國內外現有工作的基礎上，通過大量的試驗研究，本文主要研究了復雜環境中絕緣子的直流閃絡特性及閃絡機理。其結果有助於進一步了解低氣壓下覆冰絕緣子的閃絡現象，並可為輸電線路的設計和安全運行提供理論依據。
  12. Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper

    針對大擾動情形，提出了一種用於改善多機交直流混合電力系統（有多條直流線路落點于其中）暫態穩定性的非線性調制策略。
  13. 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

    偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流，兩者產生的偏置磁場在控制線圈產生感應信號，檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號，該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號，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電路產生控制電流，實現閉環控制。
  14. Moreover, an improved method is proposed for the phase current reconfiguration on the basis of the direct current circuit

    提出了一種改進的基於直流迴路母線電流的相電流、相電壓重構方法。
  15. But high - voltage lines are already approaching the million - volt limit on insulators and the operating limits of semiconductor devices that control dc lines

    不過，高壓線路的絕緣體已經逐漸接近百萬伏特的限制，而控制直流線路的半導體裝置，也即將達到運作極限。
  16. Salt density measurement method for natural polluted insulator string used on dc transmission line

    直流線路絕緣子串自然污穢鹽密測量方法
  17. In order to display the results of transmission pricing and complex power tracing in an apparent way, this paper uses graphs and animations to describe the procession and results of transmission pricing

    為了直觀地表示計算結果，本文研究了潮流、線路使用率、供電路徑的演示方法。
  18. Apparatus for connection to private circuits run by certain public telecommunication operators - specification for apparatus for connection to direct current circuits

    英國通信網家用線路連接設備.第3部分:直流電路連接裝置規范
  19. In chapter 5, considering an ac / dc system that includes two dc lines. based on feedback linearization in the nonlinear systems and linear quadratic optimization control theory in the linear system, two new nonlinear additional controllers are designed in the same time

    第五章針對包含兩條直流傳輸線路的交直流互聯系統，採用狀態反饋精確線性化方法與線性系統的二次最優控制相結合的方法，同時設計了兩條直流線路的非線性附加控制器。
  20. In case of complicated dc circuit, any type of symmetrical ac system fault. dc line fault and dc line ' s recovery after fault can be more accurately simulated, and the dc line ' s dynamic response can be better represented. all the above is very important when doing the research on dc power support to ac system under emergency conditions, and has laid a solid foundation for the interaction study which will be met in a hybrid ac / dc power systems

    該模型能夠在對交流網路進行機電暫態計算的同時，對直流網路進行電磁暫態的計算，因而能較精確地考察暫態過程中直流線路的動態行為，並可對任意對稱的交流系統故障、直流線路故障以及故障后直流輸電系統的恢復等過程進行模擬，且模擬時間較短，為在復雜系統中研究直流輸電系統與交流輸電系統間的相互作用奠定了基礎。
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