直流線 的英文怎麼說

中文拼音 [zhíliúxiàn]
直流線 英文
straight streamline
  • 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...
  • 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
  1. Palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer

    美國加利福尼亞，棕櫚谷， 1977年，布魯斯?戴爾，光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。
  2. Bruce dale, palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer

    美國加利福尼亞，棕櫚谷， 1977年，布魯斯?戴爾，光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。
  3. Nibco iron body check valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position

    尼伯科鑄鐵閥體止回閥可以安裝在水平管線或流向朝上的垂直管線中的任何位置上。
  4. 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。
  5. 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。
  6. Realizing method of magnetization curve on dc electromotor

    直流電動機磁化曲線的實現方法
  7. After analyzing several kinds of protection for feeder line in subway dc traction power supply system, it is pointed out in the paper that the phenomena of refusing action and error action can not be avoided with existing protection which can not protect the whole feeder line

    摘要分析了地鐵直流牽引供電系統中幾種常用的饋線保護類型，發現現有的保護方法很難避免跳閘保護拒動或誤動現象的發生，並且不能保護饋線的全長。
  8. This paper selects dc double - arm bridge, uses the four - port connection to remove the contact and connection resistances and reduce the electromagnetism interfere. grounding grid conductors fault levels are established during a lot of emulational computations, simulative experiments

    使用直流雙臂電橋，採用四端鈕連接法，可大大降低現場中電磁干擾及引線電阻和接觸電阻的誤差影響。
  9. Ssr - dd series of dc solid relay is vastly applied to output joggle of computer and external equipments, it is also applied to control or switch dc load : dc relay 、 contactor 、 dc electrical motor 、 kinds of electric - heating apparatus 、 dc electromagnetic valve 、 electromagnetic iron 、 solenoid 、 filament lamp 、 indication lamp 、 plc logical electrical appliance and dc solid relay

    Dd系列直流固態繼電器廣泛應用於計算機與外部設備的輸出介面，適用與控制或開關直流負載：直流繼電，接觸器、直流電動機、各類電熱器具；直流電磁閥，電磁鐵、螺線管、白熾燈、指示燈； plc邏輯電器。
  10. The ultrahigh - voltage direct current ( uhvdc ) link comprises two substations and a power transmission system using breakthrough technology to transmit electricity at ultrahigh voltage ( 800 kilovolts ), which will minimize the amount of power lost in transmission

    該超高壓直流輸電（ uhvdc ）線包括兩個變電站以及一個採用了突破性超高壓（ 800千伏）電力傳輸技術的電力傳輸系統，這將減少傳輸過程中的電力損失。
  11. Hvdc is an abb innovation that transports large power loads over long distances with low losses and minimal environmental impact, requiring just two 500 kilovolt ( kv ) dc power lines to carry the same power load as five alternating current ( ac ) lines

    Hvdc技術是abb的一項創新，在長距離的傳輸中，它傳送大量的電量，而損失很低，而且對環境的影響也達到最小化，只需要兩條500千伏的直流電線就可以運載相當於五條交流電線輸送的電量。
  12. 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。
  13. 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
  14. Based on practical application conditions, half - cell potential method, concrete resistance measurement, linear polarization resistance method and etc. 3

    根據現場的實際應用情況，最常用的方法有半電池電位法、混凝土電阻率檢測法、直流線性極化電阻法、交流阻抗法以及地質雷達法等。
  15. 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。
  16. 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。
  17. 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
  18. Linear power supply

    可程式直流線性供電器
  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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