reactive current compensation 中文意思是什麼

reactive current compensation 解釋
無功電流補償
  • 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.
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  • compensation : n 賠償;補償(金);報酬 (for);〈美國〉薪水,工資 (for); 【機械工程】補整;【造船】補強。com...
  1. It hopes to come to a sententious conclusion by optimizing location and capacity of reactive compensation. the main contributions of the thesis as follow : 1 ) it introduces the three current ways and corrects the habitual errors in engineering at present. it sums up experience and puts forwards to disposing fundamentals. the software is programmed for different objective function by visual foxpro and has been used in practice

    主要解決以下問題並形成結果: 1 )從實用性出發,對工程中常見設計錯誤進行舉例、修正;針對目前工程通用的三種補償方法進行分析,總結工作經驗,提出具體配置原則;並對補償的不同目標(電壓、功率因素)進行基於visualfoxpro的軟體編程。
  2. Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures

    電力部門通常在實際中,需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量,需要對電力網路各點的諧波電壓、電流實際水平進行測試,然後對測試數據進行人工分析統計,並以此採取相應措施降低或減少諧波對電網的危害。
  3. 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。
  4. From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed

    從輸電損耗最小的角度出發,提出了任意相無中性線或有中性線系統的瞬時無功功率理論,在新的理論下,每個量都有清晰的物理意義,且能分解出零序電流的有功分量和無功分量,並給出了通用的零序電流補償方法,揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別,從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。
  5. Active power filter ( apf ) is an advanced power electronic device , which can be used for compensating harmonics, reactive power and negative sequence current. compared with conventional compensation devices, active power filter has advantages of real - time and accuracy

    有源電力濾波器是一種新型諧波、無功補償裝置,和傳統的補償裝置相比,有源電力濾波器具有很大的優勢:可以對諧波、無功以及負序電流實現實時、準確的補償。
  6. By realtime detecting harmonics and reactive current in the power line, then generate the compensate current which is equal to the harmful current in amplitude and opposite in direction, realtime compensation is achieved

    它通過實時檢測電網諧波和無功電流,然後產生與之大小相等、相位相反的補償電流,進行實時補償。
  7. The validity and superiority of all these are proved by use the parallel converter of novel upfc to implement reactive current compensation, zero sequence and negative sequence currents compensation, harmonic currents compensation and the mixed compensation of them. this thesis also studies that use novel upfc to implement two phases operating in high - voltage transmission lines by theory analyze and simulation testify

    提出了基於多電平變換器的廣義大功率有害電流補償的概念,提出了適合於它的多環定時滯環控制方案,通過用新型upfc的並聯變換器實現無功補償、零序和負序補償、諧波補償及它們的綜合補償來驗證了其有效性和優越性。
  8. Apf can achieve dynamic compensation for harmonics and reactive current, and the compensation performance is not affected by the impedance of power grid, it has advantages as follows, fast response, high controllability and adaptability, etc. brief illuminations of advantages and disadvantages are performed to various harmful current detecting methods and control techniques

    它可實現對諧波和無功的動態補償,其補償特性不受系統阻抗的影響,具有響應快、可控性高、自適應性強等優點。本文對有源電力濾波器的各種諧波電流檢測法及控制方法進行了簡要的優缺點說明。
  9. Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper

    有源電力濾波器可實現對諧波和無功的動態補償,其補償特性不受系統阻抗的影響,具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。
  10. 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。
  11. With the development of electric - electronic technology, microelectronic technique and modern control theory, and with studying harmonic suppression and reactive power compensation using it, the active power filter has improved greatly. the methods and the circuit of detecting current have already improved greatly

    隨著電力電子技術、微電子技術和現代控制理論的發展,及其在諧波抑制和無功功率補償研究中的應用,有源電力濾波器得到了飛速的發展,同時其電流檢測方法以及檢測電路也取得了長足的進步。
  12. Based on the tsc reactive compensation equipment, a new low - voltage intelligent controller is designed, which can slove switched - capacitor without instantaneous rush current by means of zero - crossing triggering of scr components, and can realize auto - tracking reactive power, compensating and auto - switching scb. msp430f149 mcu is used as its core controller. it is shown that the algorithm in hand has the vantage of decreasing power loss and lowers of voltage and increasing the distribution system efficiency, for example power factor

    該控制器以msp430f149為控制核心,暫態投切控制晶閘管過零觸發,避免了電容器投切時的電流沖擊;穩態運行時接觸器替代晶閘管,實現了無功補償的自動跟蹤和電容器的自動投切,解決了投切時的暫態電流沖擊和穩態可靠運行的難題。
  13. The action of current tracking control circuit is : 1 ) the instantaneous reactive current yield the instruction current of the compensating current according to the reactive current testing circuit got, 2 ) according to the interrelationship of the instruction current and the real compensating current, yields pwm ' s control signal controlling each units of main circuit ducting, the result of controlling pledges the compensation current following the tracks of his instruction current ' s change

    電流跟蹤控制電路的作用是: 1 )根據無功電流檢測電路得到的瞬時無功電流得出補償電流的指令電流, 2 )根據補償電流的指令電流和實際補償電流之間的相互關系,得出控制主電路各個器件通斷的pwm控制信號,控制的結果保證補償電流跟蹤其指令電流的變化。主電路的作用是根據電流跟蹤控制電路輸出的控制指令,產生實際的補償電流。
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