power system reliability 中文意思是什麼

power system reliability 解釋
電力系統可靠性分析
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  • reliability : n. 可靠性，安全性，確實（性）。
  1. According to the experience of land power system research and the individual character of warship power system, the content and the direction of the research of warship power system reliability are discussed

    根據陸地電力系統可靠性研究的經驗和內容，在分析艦船電力系統的區別和特殊需求后，探討了艦船電力系統可靠性的研究內容以及研究思路和步驟。
  2. The result of reliability analysis and the result of proof indicates that the system has met the demands of the preplan target and fulfil the request of aircraft power system

    可靠性分析與試驗結果表明系統達到了設計指標，滿足飛機電源系統要求。
  3. By analyzing the topology of an interconnected power system, chapter 3 of this thesis derives the spanning tree, and builds the corresponding minimal cut set. by combining the results from the graph theory with the reliability indices of the individual reparable components, the reliability indices at the load point can be obtained, and the reliability indices for the whole system are deduced

    本文的第三章從單個可修復元件的可靠性指標出發，在分析電網路的拓撲結構的基礎上，利用一定的演算法求出其對應的生成樹，根據生成樹和最小割集之間的對應關系，得到整個電網路的最小割集。
  4. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息，減輕人工巡線的負擔，同時加快線路的恢復供電，減少因停電造成的綜合經濟損失，為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法，根據測距的原理將其分為阻抗法和行波法兩大類，對各種演算法的優缺點及適用范圍進行了分析，在此基礎上提出了一種組合的測距方案，並對演算法進行了模擬分析。
  5. In the brief introduction to geographical information system ( gis ), this dissertation proves that by combining reliable management with gis technology, presents a method which built the power structure model and math calculation model by using spatial data in a good interface between computer and user. this dissertation makes a number of target for calculating the distribution system, mainly aimed at circumstances which have an effect on power station repair, switch breaker, type of t connection, and double lines supply via the usage of system reliability calculation. at the same time, it provides the projected estimatio n when power station or transmission line will be added into the power system, and furnishes the theoretical information that the professional needs for power structure programming, design and equipment management

    通過建立輸變電設施管理信息系統（ mis ） ，真實地反映出油田電網輸變電設施的運行管理現狀，為網路可靠性計算提供可靠的計算依據；在簡述地理信息系統（ gis ）技術的基礎上，論證了可靠性管理與電力gis技術結合的可能性，創立了在簡潔的人機圖形界面下利用空間數據建立網路結構模型及可靠性計算模型的方法；通過建立網路可靠性計算系統，進行了計及變電所檢修影響、切換開關、 t接點及雙回線供電情況下的可靠性指標計算分析，對油田電網及變電所（線路）的改（擴）建方案、增強性措施及接入系統的可靠性給予了工程評估，為電網規劃、設計及日常的設備管理提供分析決策依據。
  6. 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。
  7. 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。
  8. Digitalization, intelligentization, and monitoring, which are tendency, are very important for improving the reliability of power system

    電源系統的數字化、智能化以及可監控性對提高電源系統的可靠性有著非常重要的意義，是其發展的必然趨勢。
  9. At the same time with the development and deepening of the management of electric power company, the operation of electric power law and the promises system of electric service, the reliability of electric supply plays a more and more important part in the processing and management of power system

    同時，隨著電力企業管理工作的發展和深化及《電力法》的實施和電力服務承諾制的開展，供電可靠性在生產管理工作中所佔的位置也越來越重要。
  10. With the development of urban economy and reconstruction of power system network, distribution system is required to be layout scientifically and rationally. at the same time with the development and deepening of the management of electric power company, the operation of electric power law and the promises system of electric service, the reliability of electric supply plays a more and more important part in the processing and management of power system

    城市經濟的迅速發展和城網改造的開展，迫切要求對配電網進行科學、合理的規劃，同時隨著電力企業管理工作的開展和深化，以及《電力法》的實施和電力服務承諾制的開展，供電可靠性在生產和管理工作中所佔的位置也越來越重要。
  11. Modulization is one of the directions in power electronics. multi - module redundant parallel operation is a good solution to realize high reliability and large capacity of power system

    模塊化被公認為當今電源變換技術發展的重要趨勢之一，多模塊冗餘並聯運行方式是實現高可靠性、大功率電源系統的優選方案。
  12. Ancillary services ( as ), such as automatic generation control ( agc ) and operation reserves, play an important role in maintaining power system reliability and security while economically efficient transactions are accommodated in an open electricity market

    輔助服務在維持電力系統的安全可靠性、提高系統運行質量、緩解高峰負荷電價等方面具有舉足輕重的作用。
  13. This thesis discussed the affection of all kinds of components contingency and the components " position in the line and other factors on the evaluation of load point reliability index. this thesis adopts a integrative method to deal with simple or complex distribution network with the system ' s practical operation characteristics and the results of the example reveal that it is feasible. the key to study the economics of power system reliability is outage costs

    在定量評估負荷點或系統可靠性指標的研究中，本文較全面地分析了各元件故障和元件在線路中的位置以及計劃檢修、臨時停電、天氣因素、負荷轉移等因素對估算負荷點可靠性指標的影響；研究了現有的可靠性評估模型，結合城市電網的實際運行特點，採用一種綜合的方法估算輻射型電網的可靠性指標，算例結果表明它是有效可行的。
  14. The outage costs can be regarded as an index to image the unreliability extent and there is the relation between outage costs and reliability index. how to establish the reliability index and how to evaluate it are the basis of the study on the economics of power system reliability

    停電損失反映了供電不可靠的程度，它與可靠性指標有關系，而制定可靠性指標並對其進行定量評估是開展可靠性經濟性研究的基礎。
  15. Power system reliability analysis

    電力系統可靠性分析
  16. How to meet their growing demands is of significant concern for the professionals in the power - engineering realm. this thesis briefly introduces the fundamentals on the power system reliability analysis in its preamble

    本文在討論了電力系統可靠性基本概念和主要指標之後，介紹了電力系統可靠性的研究和應用情況，指出了電力系統可靠性研究的任務和意義。
  17. Simulation and research of fault amp; amp; repair in low - voltage power system reliability

    淺談當前山東電力營銷的對策
  18. Power system reliability

    電力系統可靠性
  19. In the paper, the necessity of the research of warship power system reliability and the process of the research in the world are discussed firstly

    摘要討論了艦船電力系統可靠性研究的需求和必要性，以及國內外的研究現狀。
  20. It also covers current development in the power system reliability research and application, detailing the purpose of the reliability analysis

    結合模擬分析來研究電力系統可靠性是現代微電子技術和計算機技術飛速發展和不斷更新的必然結果。
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