有效電力 的英文怎麼說

中文拼音 [yǒuxiàodiànlì]
有效電力 英文
active power
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 有效 : effective; valid; efficacious
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  1. Vsp is both a pivotal tache in logistic distribution optimization and indispensable in electronic commerce. it can increase logistic economic benefit and realize logistic rationalization. the systemic study on the theory and method of vsp is the base on the growth of logistic intensivism, the establishment of modem chain of command, the development of its and ec. now, the problem is not only applied to the field of auto transportation, but also to ship avigation communication electricity industry management computer application etc. the algorithm has been applied into many combinatorial optimization problems such as the trainman ' s shift arrangement in avigation the optimization design of cargo arrangement in ship company

    對貨運車輛進行調度優化，可以提高物流經濟效益、實現物流科學化。對貨運車輛調度優化理論與方法進行系統研究是物流集約化發展、建立現代調度指揮系統、發展智能交通運輸系統和開展電子商務的基礎。目前，問題的形式已有很大發展，該問題以不僅僅局限於汽車運輸領域，在水運、航空、通訊、電力、工業管理、計算機應用等領域也有一定的應用，其演算法已用於航空乘務員輪班安排、輪船公司運送貨物經過港口與貨物安排的優化設計、交通車線路安排、生產系統中的計劃與控制等多種組合優化問題。
  2. Especially deserve to indication, wireless access system only needs lower incipient plough into enough implement cover with livelong area, can availably debase investment threshold, swell bank roll resist risk capability

    特別值得指出的是，無線接入系統只需較低的初期投入就可以實現整個區域的覆蓋，可有效地降低電信運營的投資門檻，增強資金的抗風險能力。
  3. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電子提單運作中的安全隱患的基礎上，歸納出其六大安全要素，即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析：第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規，第四章則介紹了電子提單的安全認證機構，第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制，第六章介紹了數字簽名的概念及原理，並以bolero為例介紹了數字簽名的技術方式，對有關法律問題作了論述；第七章首先論述了電子提單對有效性的法律需求，然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性；第八章通過對各國立法對電子證據的法律效力的規定，論述了對電子交易至關重要的數據電訊的不可抵賴性。
  4. Computer - aided manufacturing ( cam ) refers to how to use computer technology effectively through direct or indirect combining computer and material resources manpower resources of one enterprise, in such aspect as plan, management, cantonment, operation, etc. when cam is used in integrated circuit ( ic ) manufacturing, we call it ic - cam

    計算機輔助製造（ cam ）是指通過直接或者間接把計算機與企業的物力和人力資源聯系起來，在生產的計劃、管理、控制和操作等方面有效地應用計算機技術。計算機輔助製造應用在集成電路生產製造上就稱之為ic - cam 。
  5. These advantages have made the capacitive transducer a valuable device for measurement of engine cylinder pressures.

    這些優點已使得電容式傳感器成為測量發動機汽缸壓力的有效的裝置。
  6. Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit

    電力負荷預測是供電部門的重要工作之一，準確的負荷預測，可以經濟合理地安排電網內部發電機的啟停，保持電網運行的安全穩定性，減少不必要的旋轉儲備容量，合理安排機組檢修計劃，保證社會的正常生產和生活，有效地降低發電成本，提高經濟效益和社會效益。
  7. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手，分析了長徑比、氣隙長度對有效材料峰值功率的影響，並確定了它們的最佳尺寸。
  8. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  9. In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress

    本文結合實際工程，對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗，確定了該壩粉煤灰的靜動力學指標；然後根據比奧（ biot ）固結有效應力原理，採用鄧肯（ duncan ）非線性應力應變模型，對該灰壩的二維靜力應力和變形狀態進行了分析；最後利用本文提出的地震超靜孔壓指數函數模型，採用等價粘彈性動力有限元方法，對該灰壩在地震作用下的動力穩定性進行了分析評述。
  10. By providing a standard way of representing power system resources as object classes and attributes, along with their relationships, the cim facilitates the integration of energy management system ( ems ) applications developed independently by different vendors, between entire ems systems developed independently, or between an ems system and other systems concerned with different aspects of power system operations, such as generation or distribution management

    4 .設計並編程實現了在現有ems的基礎上實現cim的改造方案。公共信息模型在ems中的應用，保護了現有的電力應用資源、提高了電力應用軟體的開發效率、保障了ems與其它電力系統間的相互通信。
  11. This article is match the exigent demand of improving the automation level of electric power. the new system is based on the old one and aimed to the standardization. the new system is wanted to get breakthrough in these aspects : improving the system performance, aggrandizing system function, improving the automation level of the system, replacing the handwork operation, reducing the working intensity, improving the productivity, offering intelligent data service

    本文針對電力系統對提高電力系統管理現代化水平的迫切需求，基於現有的電力管理系統，向著標準化方向發展，提高系統性能，拓展系統功能，提高系統的自動化水平，取代手工操作，降低人員勞動強度，提高生產效率，提供智能化的數據服務。
  12. Sy - kang shen, ching - yin lee and tsung - chih lin, " an equivalent external disturbance rejection method for robust brake control of a heavy - duty trunk, " 1999 automatic control conference, ( 1999 )

    李清吟，蔡岳璋，周文雄，邱啟智，王如慧， "電力代輸網路有效與無效電力之解離， "第十九屆電力工程研討會論文集，第927至931頁， （ 1998 ）
  13. The shunt active power filter which uses the i p ? iqmethod and the hysteresis - based current control strategy has been simulated, and analyze the inductor and the cut - off frequency which affect the performance of shunt active power filters

    Iq諧波電流檢測和電流滯環跟蹤控制技術的並聯型有源電力濾波器進行了模擬研究，重點分析了影響有源電力濾波器補償效果的濾波電感和采樣電路截止頻率。
  14. The compensation effects of the series active power filter adopting the two different control strategies, on the voltage type load are investigated by final experiments

    最後，通過實驗研究了串聯型有源電力濾波器採用這兩種不同控制策略時對電壓型負載的諧波補償效果。
  15. At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively

    結果表明，對單位容量的諧波源，採用與可變參數lc濾波器混合使用的並聯型有源電力濾波器系統，能夠有效地減少有源濾波器的容量，有效地檢測出高次諧波分量，並進行諧波補償，使系統的電流波形基本保持正弦。
  16. Combined active power filter and reactive power filter make up hybrid active power filter which not only reduce the cost but also have good harmonics compensation effect, so hybrid active power filter reaches a practical purpose. the paper introduces the concept of harmonics 、 its harm to power grid and limitation of harmonics voltage and current harmonics, and it also demonstrates the necessity of eliminate harmonics, and briefly introduces several methods to eliminate harmonics and research of both here and abroad

    將有源電力濾波器與無源電力濾波器相結合，構成混合有源濾波器，取兩者之長，補兩者之短，既可以降低諧波補償系統的成本，也可以有良好的諧波補償效果，從而達到混合有源濾波器實用的目的。
  17. In chapter four, the project techniques of harmonic filter and reactive power compensation for guixi smelter were firstly discussed ; based on the harmonic condition of guixi smelter, the key techniques of a new hybrid active power filter with high capacity for harmonic filter and reactive power compensation were proposed ; then the designs of main configuration, output filter, harmonic detection and analysis subsystem, and the controller based on dsp have been discussed. application results of the hybrid active power filter have confirmed the feasibility of the integrated compensation system

    第四章討論了貴冶電網諧波治理和無功補償的工程實現技術，介紹了貴冶電網諧波的現狀，分析了貴冶電網諧波超過國標的情況，提出了一種新型大功率混合型有源電力濾波器的應用方案，討論了系統主電路設計，輸出濾波器的設計，諧波檢測和分析子系統的設計，基於dsp數字晶元的控制器設計等關鍵技術，並給出了混合型有源電力濾波器投運后，改善電網諧波的情況，表明了論文中所給出的設計方案和工程實現技術獲得良好的工程應用效果。
  18. As the most effective means to eliminate current harmonics, active power filer ( apf ) can compensate dynamically harmonics whose frequencies and amplitudes vary ; moreover, its compensation characteristics is immune to the impedance variation of utility

    有源電力濾波器是抑制電網諧波的有效措施之一，這種濾波器對頻率和幅度都變化的諧波進行跟蹤補償，且補償特性不受電網阻抗的影響，因而受到了廣泛的重視。
  19. The pollution in power net is serious, the real - time harmonic compensation becomes more and more important. the active power filters is a new harmonic and reactive power compensation equipment which was brought forward in 1970 s, compared with the traditional l - c filters the active poewer filters have the merits in rapid reflect 、 better compensation and the ability in dynamic compensation

    有源電力濾波器是70年代提出的一種新型的諧波及無功動態補償裝置，與傳統的無源lc濾波器相比較，具有響應快、補償效果好和能夠實現動態補償的優點。本文介紹了有源電力濾波器的發展及其應用、分類及工作原理。
  20. Based on the summary of related studies on the electricity market, by employing the s - c - p ( structure - conduct - performance ) paradigm and the cournot model, the market power in the electricity market is systematically studied

    本文在總結以往有關電力市場研究的基礎上，按照產業組織經濟學中的s - c - p （結構-行為-績效）範式和cournot模型，系統而全面地研究了電力市場力。
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