electric transmission line 中文意思是什麼

electric transmission line 解釋
輸電線路
  • electric : adj. 1. 電的；帶電的；起電的，導電的，發電的，電動的。2. 令人激動的，緊張的，驚人的。3. 〈美口〉（樂曲的）用電吉他演奏的。n. 〈口語〉1. 帶電物體。2. 電動車輛。
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  • 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...
  1. Was established in 1996, grows fast as the development of the econnomy, we mainly research, develop and produce plastics, metal dustless coating macbine, transmission equipment, cprintedilk production line and all kinds of nonstandard industrial equipments, such as automatic constant temperature and constant humidity uv ray solidified production line, we also provide automatic electrostaric cleaning system and reciprocator, and piastic of coating cine mobile phone, camera, pda, dvd. stereos coating line, single or double core - strained powder - recycling system, full stainless steeled spraying. overflowing pre - treatmentsystem, gas or oil combustion machine, electric heat drying stove, workshop cleaing, air supplier cleaning equipment etc

    其中包括恆溫恆濕及全自動uv光固化生產線；全自動靜電除塵設備系統及往返系統；手面、相機、掌上電腦、 dvd 、多媒體音箱等塑膠外殼塗裝生產線『單、雙回收濾芯式粉體系統；全不銹鋼噴淋式、游浸式前外理；燃氣、燃油、電熱風烘乾爐；凈化車間、凈化供風設備等。
  2. This article through installs the reactor with air core in the transformer substation transmission, to control the thunder electric wave amplitude and steepness in the transformer substation ; through over voltage on - line monitoring device testing, inquire into lightning protection of the reactor with air core

    本文通過在變電站的輸電線路的出口處加裝空心電抗器，對通過輸電線路侵入變電站的雷電波的幅值和陡度進行抑制；並通過安裝過電壓在線監測裝置進行測試的方法，初步探討了空心電抗器防雷的作用。
  3. Abstract : a new type cold frame is intruduced. the deformation of unsymmetry section steel after cooling is mainly eliminated by reversely curring it on line, ensuring the achievement of automation of meticulous repair. at the same time the disposing principle of equilibrium weight on the driving axis of cold frame drived by eccentric wheel was improved. the torsional moment of transmission shaft and power of electric motor are reduced by the method

    文摘:介紹了一種新型冷床，通過在線對非對稱型鋼進行反向彎曲，基本上消除了非對稱型鋼冷卻后的變形，保證了精整工序自動化的實現.同時，提出了偏心輪驅動的冷床驅動軸上平衡重的配置原則.此方法可降低傳動軸上所受的扭矩，減少了電動機的功率
  4. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  5. In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity

    隨著電力工業建設的迅速發展，鋼材的用量急劇增長，為此，國家計委，原水電部和能源部一再強調在輸變電工程建設中，應從嚴掌握自立式鐵塔的建設。然而，一般的鋼筋混凝土電桿或與預應力混凝土電桿，較普遍地存在著縱向裂縫問題，嚴重影響了高壓輸電線路的安全運行及其使用壽命，已不能適應高壓輸電桿塔和變電構架的要求。
  6. The pollution of extremely low frequency field in great power plants and distribution of electric field in transmission line with different voltage grade

    電力設備及高壓架空線路周圍工頻磁場的探討
  7. Current sensors play a very important part in the on - line insulation monitoring of electric power transmission. generally they are used to measure leakage current of ground wire. at present, use current transformer as insulation monitoring current sensor mostly

    電流傳感器在電氣設備絕緣在線監測系統中佔有重要的位置，它一般通過檢測設備接地線電流來監測泄漏電流，目前多採用電流互感器作為絕緣監測用電流傳感器。
  8. But up to now, the study on dc transmission line " external insulation in the severe atmospheric environment could not meet the requirement of electric power industry development

    到目前為止，對復雜環境中直流輸電線路外絕緣特性的認識還遠遠不能滿足電力工業發展的要求。
  9. After analyzed the potential objects of straight power supply to big consumer in three gorges area, the paper put forward the ideas of three gorges electric power straight supply to big consumer by power grid and by special transmission line

    在全面分析了三峽電力營銷的有利條件、 「十五」計劃調整對三峽電力消納的影響的基礎上，提出了三峽電力消納應對「十五」計劃調整的對策。
  10. According to electric & magnetic and circuit analysis theory, monocable transmission characteristics is analysed. on this basis, the transmission characteristics of the monocable in use is analysed and caculated. monocable is thousands meter long, electrical signal transmission along monocable shows long line transmission characteristics. monocable characteristics analysis is helpful to monocable telemetry system design, such as data transmission rate selection, circuit design, etc

    生產測井中應用的單芯電纜是地面系統和井下數據採集傳輸系統間的數據傳輸通道。它長約幾千米，屬長線傳輸。對它的特性分析可以對傳輸系統的設計提供理論指導，如數據傳輸速率的選取、電路設計等。
  11. Its basic configuration is blocking many kinds of the functional circuitries which carry through communication with each other by the infrared light, and do remote - transmission by the line of electric powers and telephone

    其基本構架是，將各功能電路模塊化，由紅外光進行相互通訊，並通過電力線、電話線進行遠距離傳輸。
  12. Therefore, in order to protect large generating equipment against the switching overvoltage, the research on safety forecast theory and real - time monitoring technique for the surge overvoltage of large power stations has not only importance and benefit to safety operation of generators, but also has the great importance for the engineering of transferring electricity from the west to the east in china and the safety operation of large electric power network with great capacity and long - distance transmission line

    因此，針對廠站操作過電壓對大型發電設備的沖擊問題，重點開展廠站操作過電壓的安全預測理論與實時監測技術的研究，不僅直接對大機組安全運行有著重要的現實意義，而且對目前我國西電東送工程的實現和確保大容量遠距離輸電電網的安全穩定運行都具有十分重要的意義。
  13. Hunan electric power line equipment & materials factory was found at 1958, meanwhile belong to hunan electric power bureau, and now is a company of hunan electric power company. the staple are iron tower used under 500kv electric power transmission line and microwave communication, cement pole and electric fitting

    湖南電力線路器材廠成立於1958年，當時隸屬于湖南省機電工業局，幾經變遷現為湖南省電力公司全資子公司，主要產品為500kv及以下輸電線路和微波通訊鐵塔、水泥電桿、電力金具。
  14. Some problems of the reactive power of the electric transmission line

    關于輸電線路無功功率的幾個問題
  15. Influence of arrangement manner of lead to the electric characteristic for 500kv double circuit transmission line

    同塔雙回線路導線排列方式對電氣特性的影響
  16. Hunan huazhong electric power construction and development group co., ltd. ( hereinafter referred to as “ huazhong group ” ), with registered capital 58 million yuan, has a wide range of business scope including electric transmission line construction as its major business ; hot - galvanizing for electric facilities ; research and development of new materials with high technology ; information service and information network project construction

    湖南華中電力建設開發集團有限公司是一家以輸變電建設為龍頭，以電力器材熱鍍鋅加工製造、高新技術新材料研發生產以及信息服務和信息網路工程建設為依託的綜合性集團公司。
  17. Research on the countermeasure for the over limitation of the power frequency electric field caused by extra - high voltage transmission line

    超高壓線路工頻電場超限值對策的研究
  18. Design and realization of a communication system with electric power transmission line as carrier channel

    9901在基本鎖相環中的應用
  19. Polymeric housed metal oxide surge arresters with series gap for a. c. electric power transmission line

    交流輸電線路用復合外套有串聯間隙金屬氧化物避雷器
  20. With the increase of the electric power system capacity as well as the short lines, high currents will possibly occur in the transmission line when a fault happens at the end of the line. the iron core of the current transformer ( ct ) will become saturated easily because of the large current, or when the secondary load of the ct does n ' t match the 10 % error curve

    隨著電力系統容量增大以及短線的增加，在電力系統線路末端發生短路時，有可能出現很大的短路電流；在很大短路電流的作用下，或由於電流互感器二次側負載與10誤差曲線不匹配等原因，電流互感器鐵芯很容易飽和。
分享友人
分享到 Line

分享到臉書