特大電網 的英文怎麼說

中文拼音 [tèdàdiànwǎng]
特大電網 英文
supergrid
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
  • 特大 : especially [exceptionally] big; the most
  • 電網 : electrified wire netting; live wire entanglement; power grid電網電源 electric network source; 電...
  1. The canada television network attentively shot video footage at our booth, and radio canada, one of the largest radio stations in montreal, interviewed us about the quan yin method

    當天，加拿大ctv電視網來到我們攤位做錄影報導，此外，加拿大電臺蒙特利爾最大的廣播電臺之一，也針對觀音法門的主題采訪我們。
  2. Under this circumstance, how to evolute china s telecom network, especially for thoses network operators who own the huge fixed telephone network, and to which strategies of network evolution be adopted, is the purpose of this article

    在這種情況下，我國的電信網路如何演進，特別是擁有龐大電話網的固定網路運營商，如何決定網路的演進策略，本文的目的即提出一些針對性策略，進行一些探討。
  3. But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs

    針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。
  4. Following the increasing capability of wind power, the distribution networks will be under disturbances by reason of the randomness and intermittence of the power resources

    由於風能具有隨機性和間歇性的特點，隨著風電規模的不斷擴大，電網將持續受到風電場波動功率源的干擾。
  5. The alteration of city and country power system will bring the power supply ability to a new level. especially, the widely use of power cable cause the capacitance to earth doubled, and a cutoff of some lateral line has comparatively larger effect

    隨之而來的是電網對地電容的增大，特別是城網改造中電力電纜的廣泛應用，使電網的對地電容成倍增加，切除某一支路對整個電網的對地電容影響比較大。
  6. A design adding a dc chopper after the triphase rectification was given to reduce the peak of the pulse of voltage, aiming at the characteristics that the magnitude of the rated voltage of permanent magnet synchronous motor ( pmsm ) is far below that of the power supply, also the electric parameters of the devices were given

    針對專用永磁同步電機額定電壓大大低於電網電壓這一特點，為降低電機上承受的峰值脈沖電壓，設計了在三相整流之後增加一級直流斬波器並給出了相應的電氣參數。
  7. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  8. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。
  9. In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor

    水輪機調速器是水輪發電機組一個很重要的自動化調節設備，它由調節器和電液隨動系統組成，在調速器安裝或者大修后都要對其性能和特性進行全面測試，為了方便對水輪機調速器的測試，特開發水力機組調速系統實時動態模擬儀，該模擬儀具有三種功能：對調速器調節對象（有壓引水系統、水輪機、發電機和電網）進行模擬、對調速器電液隨動系統與調節對象進行模擬和作為實時測試系統監測調速器的工作是否正常。
  10. The inner - plant economical operation of lijiaxia hydropower station is studied based on the disadvantageous operating mode area of the units determined by school of civil engineering of tianjin university and the actual operating experience of the lijiaxia hydropower station in the last a few years

    摘要以天津大學建築工程學院確定的李家峽水電站機組的不利工況區為依據，以近幾年來該水電站的實際運行經驗為參考，在綜合考慮機組初始運行狀態、機組振動特性、機組出力、下泄流量、水庫蓄水量和電網負荷平衡等因素的基礎上對李家峽水電站的廠內經濟運行進行了研究。
  11. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。
  12. This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost

    文章不僅全面地介紹了電力線載波通訊技術的特點、應用及其發展狀況，還對目前的電力線載波通訊晶元進行了比較；並通過對低壓電網通道特性的分析和研究，抽象出其載波通道模型，在此基礎上，提出了將擴頻調制和通道編碼相結合的傳輸技術用於低壓電力線載波通信，這可以在很大程度上解決電力線的干擾問題，且不必付出高昂的代價。
  13. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題，本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法，即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分，將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分，對前一部分採用特徵線法求解，對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解，這兩部分的求解過程交替進行，最終即可得到水電系統大擾動過程的模擬結果。
  14. For the case of the north china power grid ( as follower omitted " ncpg " ), discusses these focus question as " ncpg fund dispatching ", " ncpg e - bank ", provides conflict settlement to fund budget and center control by new financial method, computer and internet high - tech skill. the thesis suggests do fund control in all directions, link invest - collect flow with financial fund management together, all fund affairs relatively included in " ncpg fund dispatching ". as a goal, thesis hopes to make fund flow, mass flow and information flow as a line, control fund real time, and realize the enterprise resource planning

    文章針對電網的特徵和區域電力公司財務管理體制特點，對電網經營企業的投資管理和籌資管理作了較為詳細的回顧和分析，並結合當前資金管理中的「現金調度」 、 「網上銀行」等熱點話題，以華北電力集團公司為例進行了案例分析，對電網經營企業強化現金調度管理，積極穩妥地開展「網上銀行」業務，提出了思路和建議，初步解決了實際工作中電網經營企業資金集中管理的矛盾；同時，還大力倡導以金融手段創新推動和促進企業資金管理創新，提出了運用計算機、網路等高科技手段，開展資金管理的橫向和縱向調度，把投資、籌資等與資金管理相關的業務環節，納入到資金的綜合調度中來，逐步達到資金流、物流、信息流三流合一，實現資金的實時管理，從而使企業內部資源共享，實現企業資源優化。
  15. Especially when lots of inductive fecilities are applied, the supply capability of electric net will be sharply declined

    相對于發達國家，我國大部分城鄉電網的功率因數一直都偏低，特別是大量感性負載的應用使得電網供電能力大幅下降。
  16. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段，因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路；放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機，對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖；而後將能量分佈特徵數據作為神經網路的輸入值，這樣，好蛋和破損蛋的模型就建立起來。
  17. This thesis discusses some effective algorithms that appear recently in distribution power flow calculation at length, for instance, back / forward sweep method, zbus method, newton zbus method with modified method, loop - impendence equation method and so on. it gives basic calculation theories, calculation steps and some particular regarding issues of every algorithm, according to many examples validate the effect of algorithms and finally obtain the characters, rang of use, virtue and shortcoming of every algorithm

    本論文詳細討論了近來出現的配電網路潮流計算的各種有效演算法，如前推回代法、 zbus法、牛頓zbus法及其改進、迴路阻抗法等，給出了各種演算法的計算基本原理，步驟以及應該注意的問題，並通過大量的算例進行驗證，從而通過比較得出各種演算法的特性、應用場合和優缺點。
  18. In order to facilitate the overall simulation of power system, effectively strengthen the stability and security, to avoid large - scale power system failure, it is necessary to help the planners and dispatchers to manage the operation and control of power system with the state - of - art high performance computing that is suitable for power system application

    為了通過對大規模互聯電網的整體模擬，有效加強電網的安全穩定運行，防止出現大規模停電事件，必須採用針對電力系統特點的高性能計算來幫助規劃部門和調度部門進行電網運行的管理和控制。
  19. Other educational and training bodies on the campus include sichuan telecom training center, sichuan enterprise informationization network specialists ' training base, huawei technologies corporation customers ' training center, sichuan college of network education school of beijing university of posts and telecommunications, sichuan branch of correspondence school of chongqing university of post and telecom and a professional and technical appraisal office of communications industry ( the 188th office of posts and telecommunications industry )

    目前學院設有四川電信培訓中心、通信行業特有工種職業技能鑒定站（郵電188站） 、北京郵電大學網路學院四川分院、重慶郵電學院四川函授總站、四川省企業信息化網路人才培訓基地、華為通信公司用戶培訓中心等非學歷教育機構。
  20. Research on the fundamental theories and key technologies on ultra - high voltage transmission, large scale power grid planning and risk analysis

    特高壓、大電網規劃與風險分析的基礎理論與關鍵技術研究。
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