backup protection 中文意思是什麼

backup protection 解釋
備用保護裝置
  • backup : n. 后補物，替代物，備用物；支持；阻塞；【計算機】備份。2. adj. 后補的，副（手）的，替代的，備用的；支持性的；伴奏的（a back pilot 副領航員，助航員）。
  • protection : n 1 保護，保衛，防禦，掩護，包庇，照顧 （from; against）。2 保護者，防護物 （against）; 〈美俚〉...
  1. This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection

    本文對四邊形和方向圓特性阻抗繼電器躲線路最大潮流的能力進行了詳細分析，提出了距離保護負荷限制電阻的整定原則和整定方法。
  2. Remove any recently installed software, including backup utilities or disk - intensive applications, such as defragmenting, virus protection, and backup utilities

    刪除所有最新安裝的軟體，包括備份實用程序或與磁盤相關的應用程序，例如磁盤碎片整理程序、病毒防護和備份實用程序。
  3. Here, both electric current protection and distance protection neither be able to satisfaction require, whereas none but pilot protection could realize complete line rapid trip off, the stability and bump feeding power, reduce fault bring about " spoil degree, improvement cooperateing performance with backup protection

    此時，電流保護和距離保護都不能滿足要求，而只有縱聯保護可以實現全線速動，因此它可保證電力系統並列運行的穩定性和提高輸送功率、縮小故障造成的損壞程度、改善與后備保護的配合性能。
  4. Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended

    文摘:用蓄電池做后備電源的系統（或設備） ，常因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變化的規律，利用電壓比較器和電壓基準源設計製作了電池放電保護電路，當電池放電量接近容量的50 %時，啟動預警信號；當電池放電量達到容量的80 %時，電路自動切斷負載，防止電池過度放電，延長電池壽命，保證系統（或設備）在供電恢復正常后能正常運行
  5. Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways

    重慶高速公路聯網收費數據通信網的結構是根據高速公路的物理結構構築了2環8射的網狀結構，建立了以sdhstm - 4 （可升級到stm - 16 ）的傳輸主幹層，以sdhonu / oltstm - 1 （可升級到stm - 4 ）組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip路由交換網，形成了結算中心-路段管理公司-收費站之間的3級計算機網路結構。為從通信網路上保證收費數據的原始性和可靠性，每個收費站和結算中心、路段管理公司之間建立了2m迂迴鏈路，同時在收費站和結算中心之間建立了pstn的撥號備份鏈路。
  6. This provides weak protection for a particular backup set

    它對特定的備份集提供較弱的保護。
  7. Agent protection can prevent the maloperation and accelerate the backup protection. the maloperation of this protection is not a common phenomenon

    大型電站agent保護對于保護整體性能的提高主要體現在防止保護的不正確動作和加快后備保護的動作速度。
  8. One defines break points based on node degree with comparing the amount of all backup protections in a mutiloop network. it is testified by practice to have legitimacy and feasibility with simple theory and improve efficiency a lot of protection coordination setting

    其一，運用網路節點度的概念，通過比較環網中所有保護的后備保護的數量的大小來確定斷點，理論上簡單合理，實踐證明正確可行，極大的提高了保護整定配合的效率。
  9. Based on functional dependence of relation algebra, the paper available expresses the coordination relation between primary and backup prection and it is fds which can generate directed basic loops and form optimal coordination sequences of protection setting, and accordingly achieve the optimal coordination of prections in the whole network.

    本文充分運用關系代數中函數依賴的概念，有效地表達主后備保護配合關系? ?保護函數依賴集（ fds ，即functionaldependencyset ，並用其自動生成網路有向基本迴路，形成保護整定最優配合順序，從而達到全網的保護最優配合。
  10. Secondly, the integer solution of government network security, which is classified as physical security, access controlling, communication secret, data protection, security audition, virus protection, security backup and security management, etc are analyzed. lastly, an integer solution of a unit ’ s network security sichuan through the analysis of risk and acquirement as an applying instance are briefly designed in the paper. the integer solution of government network security, which is analyzed in the paper, is essentiality to the aspect of security, integrality, usability, controlling, auditing of network system, also can be used to help building e - government in other cities

    首先對電子政務系統網路的安全進行了分析，其中包括網路的安全風險分析、安全需求分析、安全目標分析，以及電子政務的安全策略分析;然後，從物理安全、訪問控制、通信加密、數據保護、安全審計、病毒防護、安全備份和安全管理等方面對電子政務網路安全解決方案進行了分類研究;最後，作為一個研究應用工程實例，通過對綿陽市電子政務信息網路的風險分析及安全需求分析，對其網路安全的整體解決方案進行了詳細設計。
  11. The adaptive protective relays categorically sets up the math model and realized theory of adaptive relay protective settings calculation. the calculation of complex faults solves the computation of all kinds of faults involved in power network. the coordination of directional protective relays in multiloop networks solves the calculation of break points set and the coordination of main protection with backup protection

    其中自適應定值計算和管理問題分類建立不同元件（線路）自適應繼電保護定值計算的數學模型及其實現的理論；復故障計算問題解決了計算電網中各種故障（包括短路、斷線）的計算問題;復雜環網的保護配合問題解決了大規模復雜環網斷點的求取以及主/后備保護整定配合的問題。
  12. Circuit local backup protection

    自端入力后備保護
  13. At last, according to a actual power system relay values calculation case, which is realized on the basis of our theory, the validity and practicability of adaptive calculation and management are proved in practical production and operation of power. index terms : adaptive technology, protective relay setting calculation and management, complex fault, mutiloop network, the coordination of main protection with backup protection

    最後，我們結合我們利用本文所介紹的理論實現的一個具體電力系統的定值整定計算和管理的實際例子，驗證了利用自適應技術建立的繼電保護定值計算和管理在實際電力生產和運行中的有效性和實用性。
  14. It also analyzes the chief methods of earnings management among listed companies, which consists of accounting methods, non - accounting methods and the backup and protection of local government. moreover it takes american eron company as an example to illustrate the above - mentioned methods

    然後分析了上市公司盈餘管理的主要手段，手段主要包括會計手段和非會計手段以及地方政府的支持和保護，並且以美國安然公司為案例，簡要分析了其中的盈餘管理的手段。
  15. Based on this, this paper provides a security strategy related on network, and gives the security measures for the network in pangang automation company, they are management measure, organization vlan, data backup, limiting authority of access, the self - protection of legal user, prevention and cure of virus, and the emergency process plan

    在此基礎上，本文提出了計算機網路的安全策略，提出了攀鋼自動化公司計算機網路的安全措施，即管理措施、組建vlan 、數據備份、訪問權限控制、合法用戶自我防範、病毒防治以及制定應急處理方案，取得了較好的實際效果。
  16. Results testifiedthat the device has high measuring precision, high correct action, high reliability etc. now, the application of backup protection device for transformer based on dsp isvery wide from its researching

    通過對變壓器后備保護裝置進行較全面的動模實驗，驗證了保護裝置的各項性能指標，同時實驗結果表明該裝置具有測量精度高、動作準確率高、可靠性高等特點。
  17. Now, the real time, precision of calculation and the velocity of runningdatum are required to improve on backup protection device for transformer. single - chip system can ’ t satisfy user ’ s requirements in many situations

    目前，對變壓器保護裝置的實時性、計算精度和大量數據運算速度的要求不斷提高，單片機系統在很多場合下已經不能很好的滿足用戶要求。
  18. Dep - 535 is used as backup protection for transformers of 110kv or below voltage levels

    Dep 535微機主變后備保護裝置適用於110kv及以下電壓等級變壓器的后備保護。
  19. Agent protection can also improve the action speed of the backup protection ; this paper puts forward the cooperation scheme of the backup protection of the generator and transformer ; at the same time, the validity of this method is proved in the matlab

    Agent保護的另一個主要功能是提高后備保護的動作速度，本文提出了發變組后備保護的協調方案並用matlab驗證了方案的有效性。
  20. Backup protection backup protection consists of protective devices, which are intended to operate only after other protective devices have failed to operate or detect a fault

    后備保護裝置后備保護裝置是在其他保護裝置動作失敗或發生故障時動作的保護裝置。
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