reactive power control 中文意思是什麼

reactive power control 解釋
無效功率控制
  • reactive : adj. 1. 反動的,倒退的,復古的。2. 反應的;反作用的;反沖的;【電學】電抗的;【化學】反應性的,活性的。reactivity n. adv. -ly ,-ness n.
  • 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...
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. In this thesis a fuzzy control system used in voltage and reactive power auto regulatory device is designed based on the nine - zone controlling principle. in the fuzzy system, the fuzzy reasoning is mamdani method and the antifuzzy is centroid method. the software matlab is used to calculate the fuzzy system. the fuzzy system divide the voltage - reactive pane into fuzzy zone, in this way the domain - swing between closing domain is eliminated

    論文對電壓無功綜合控制技術進行研究,針對傳統九區域分區控制方法無視電壓與無功耦合的缺點,結合變電站電壓無功控制的實踐經驗,在傳統控制方法上引入模糊控制,設計了基於模糊控制的電壓無功綜合控制系統。模糊推理系統中採用mamdani型推理,非模糊化採用重心法,設計中使用matlab進行輔助設計和離線計算。
  2. The feasibility and validity of the hardware and software implementation for the reactive power compensate control system is verified

    通過試驗驗證了無功補償控制系統軟硬體設計方案的可行性和正確性。
  3. As an important part of the project of developing an ecs for mw wtgs, the thesis makes overall theoretic analyses and experimental studies on reactive power compensate control system and yaw control system

    作為單機電氣控制技術研究的重要組成部分,本文對無功補償控制系統和偏航控制系統展開了比較全面的理論分析和實驗研究。
  4. In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current

    本文首先比較了幾種變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機轉速變化,而在電機轉子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。
  5. The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating

    本文闡述了定子雙繞組發電機的基本工作原理,基於matlab軟體建立了定子雙繞組感應電機發電系統的模型,並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等,從而摸清了該系統的特性,尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性,從而為該系統的工程實現奠定了重要的理論基礎。
  6. This dissertation proposes a new approach to nonlinear active and reactive power modulation control design for multi - infeed hvdc systems, which realizes the emergency power support to ac system in the presence of large disturbances occurred in ac system

    將己有的基於線性方法的有功及無功調制策略由單饋入直流輸電系統推廣至多饋入直流輸電系統,並提出一種非線性的有功及無功調制方法。
  7. Reactive optimal control of distribution system is based on power flow calculation. alternate iterating algorithm is proposed in this paper according to characters of reactive optimal control. the algorithm has advantages of fast computation speed, a few iterating times, high accuracy convergence and easy programming. it is an effect method applied to reactive optimal control

    其次,針對配電網無功優化控制對配電網潮流計算的要求,採用交替迭代演算法進行配電網的潮流計算,該演算法編程簡單、收斂性好、計算速度快,適合於配電網無功優化控制的調用。
  8. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電站自動化水平著眼,對變電站電壓無功控制應用方面的問題進行了研究,本文首先簡要回顧電壓無功控制的發展概況,著重指出了現有電壓無功控制裝置的缺陷;通過理論分析,在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理,給出了變電站電壓無功的控制規律;考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響,針對電壓、無功的各種運行控制區域給出了相應調節策略。
  9. The reactive power compensation is an important engineering in the power system. the active reactive power compensator designed in this text takes the instantaneous reactive power theory of three - phase as foundation, and is formed by the reactive current testing circuit, current tracking control circuit and the main circuit, and among them the current tracking control circuit is formed by instruction current arithmetic circuit, current polarity checkout circuit and current tracking control logic circuit three parts in the circuit form

    無功功率補償是電力系統中的一項重要工程,本文所設計的有源無功功率補償器是以三相瞬時無功功率理論為基礎的,它由無功電流檢測電路、電流跟蹤控制電路和主電路三大部分組成,其中電流跟蹤控制電路由指令電流運算電路、電流極性檢測電路和電流跟蹤控制邏輯電路三部分構成。
  10. Optimal control of reactive power in distribution network

    關于配電網無功優化控制
  11. Dynamic reactive power compensation and harmonic control

    無功補償及諧波治理方法淺談
  12. This paper mainly discusses a control method of substation voltage and reactive power. in order to get suitable decision for one day 24 hours tap - transformer ' s step switch and shunt capacitor switch, an approach of substation voltage and reactive power control on the basis of the combination of artificial neural network ( ann ) reactive power forecasting and evolutionary programming optimal decision - making is put forward

    論文主要研究變電站的電壓/無功控制決策問題,為了確定一天24小時內合適的有載調壓變壓器分接頭位置和並聯電容器投切狀態,提出一種基於人工神經網路的無功負荷預測和進化規劃優化決策相結合的變電站電壓和無功的綜合控制決策。
  13. To fulfill the need of network application, the approaches and the realization for distributed voltage and reactive - power control system are given in this thesis

    為了滿足網路應用的需要,提出了分散式電壓無功控制系統的設計方案和具體實現。
  14. The use of distributed control system not only retains the independence of voltage and reactive - power control installation, also makes the system more extensible and flexible, and easier to be shared by other systems

    分散式電壓無功控制系統既保持了電壓無功控制裝置的獨立性,又使系統變得更易於擴展、配置靈活、可以更好地實現信息共享。
  15. In addition, according to the need of sampling of voltage and reactive - power control system in windows 98 / 2000, the method of using windows driver model is presented to realize the sampling of the voltage and the current, and the program of windows driver model is provided in this thesis

    另外,文中還分析了電壓無功控制系統中采樣的要求,根據windows環境下實現高頻率采樣系統的要求,提出了利用wdm實現電壓無功控制系統中的電壓電流采樣的方法,並給出了wdm驅動程序的實現。
  16. Based on the actual background of jinhua electric power and the application level of business intelligence ( bi ) technology, the construction objective supplementary decision system of operational analysis in jinhua electric power is determined. the useful data acquired by etl tools will be concentrated in data warehouse or data markets. decision proposal will be made on electric equipments maintenance, reactive power control, electric line operational analysis, equipment defect prevention and control and electric power fault diagnosis by adopting dw, olap and dm technologies

    針對金華電網運行生產的實際情況,結合當今業務智能技術( bi )的應用水平,金華電網運行分析輔助決策系統的建設目標是:在全局數據中心集中存儲和管理經過清洗、抽取后各種有用信息,並在數據集中的基礎上,採用數據倉庫( dw ) 、聯機事務分析( olap )和數據挖掘( dm )等技術對大量的數據和信息進行分析和挖掘,提出有益於電力設備檢修、電壓無功優化、線路運行分析、缺陷預控和故障診斷等的決策建議。
  17. In order to realize automatic and intelligent control better ; and to enhance the effect of electric power system ' s reactive power compensation and the economy of power network ; and to minimizing the times of checking in or out capacitor banks makes reactive power adjustment optimum, fuzzy control technology and genetic algorithm for reactive power optimization are proposed. we also mention how to make voltage and reactive power control optimum in the integrated automatization system of substation

    為了充分實現控制的自動化與智能化,進一步提高系統無功補償的效果和電網運行的經濟性,保證無功調節達到最佳的狀態而投切的電容器次數最少,還引入了模糊控制技術和遺傳演算法進行無功優化,探討了如何在變電站綜合自動化系統中實現電壓無功的最優控制。
  18. Detaildiscussion and partition of it is given according to the research contellts, methods, tfor spanand objective function etc. the method applied here, genetic algorithin ( ga ) for reactivepower planning problem and interior point method ( ipm ) for quasi real time voltage / reactivepower control are separate surnmarized fully and comprehensively hence, two aspects ofreactive power operating optimization, i. e. optimal reactive power compensation planning andquasi - real time voltage / reactive power control are studied in detail in this thesis withintelligent method, such as fully mathematic and expert system etc., integrated

    本文從無功優化問題的研究內容、研究方法、時間跨度和目標函數等方面進行了詳細的探討和劃分。在對本文採用的無功規劃優化的研究方法?遺傳演算法和無功/電壓控制的研究方法?原-對偶內點法進行綜述的基礎上,提出根據電力系統的特點、結合模糊數學和專家系統等智能方法對無功運行優化中的規劃優化和無功/電壓控制兩類問題進行理論和應用研究。
  19. Based on the strategy the automatic voltage and reactive power control device was developed. the device is controlled by microcomputer and can adjust the ratio of transformer and switch the capacitor automatically according to operating condition

    在此基礎上,研製成功了變電所電壓無功自動控制裝置,裝置以微處理器為控制核心,可根據實測的母線電壓和負荷功率因數,自動進行主變分接頭調整和補償電容器投切。
  20. In power system, it can effectively improve the voltage and decrease the real power loss that coordinated control the transformer tap and the compensatory capacitor of the region network. the voltage and reactive power control makes the running of the systems more safe and stable and economical

    在電力系統中,對地區電網中的有載調壓變壓器和補償電容器進行協調控制,能夠有效提高電壓水平、降低有功功率損耗,對系統的安全穩定經濟運行具有重要意義。
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