reactive power 中文意思是什麼
reactive power
解釋
反應能-
And expounds innovational and good compensative project in urban distribution by analyzing applied technology of reactive power compensation
並通過對無功補償應用技術的分析，提出了創新的配電網優化補償方案。 -
Power flow calculating, power loss and reactive power optimization analysis calculate fast and have credible constringency
潮流、網損計算和無功優化分析計算速度較快，能夠可靠收斂 -
The reactive power is of great significance. it can reduce loss, improve voltage wave, increase power quality and maintenance system stabilization. as the generation and net disjoined, remunerating the reactive cost relates the benefits of the generation and transmission
隨著電力市場的改革，廠網分離，競價上網后，無功成本的收回問題關繫到發、輸電各方切身的利益，逐漸受到人們的重視，但由於對其研究起步較晚，尚未形成完善的理論。 -
Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on
智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表，它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。 -
Discussion on ways of reactive power compensation in ensi power grid
恩施州電網無功補償方式的探討 -
And a solve scheme is presented, controlling the voltage of 220kv power network in chongqing under 232kv during low load period. with the increase of load and power supply, the reasonable positions and capacitance of reactive power compensation become reasonless
隨著負荷的不斷增加，電源亦隨之大幅度增加，使得原網路中本來合理的補償位置、補償容量變得不合理，因此有必要重新選擇補償點。 -
Reactive power optimization is of great impotae to voltage quality twee, powerloss minimization and thus security and economic operation of power system
電力系統無功優化對保證電壓質量、降低運行損耗，實現電網的安全經濟運行具有重要意義。 -
At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。 -
In the paper, the four methods based on the evaluation of source ’ s reactive power are analyzed. those are voltage sensitivity ( vs ), pv curves, back - up generation and equivalent reactive compensation ( erc ) methods
由此文章分析了四種評估無功容量價值的方法:電壓靈敏度法、 pv曲線法、備用發電量法和等效無功補償法。 -
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。 -
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。 -
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。 -
As an electric and electron component, the application field of thyristor is very wide. to these days, in the fields of direct current transfer, reactive power compensator, etc, thyristor still play an important role
晶閘管作為一種電力電子器件，在強電領域有著極為廣泛的應用，迄今為止，在直流輸電、無功補償等方面仍占據舉足輕重的地位。 -
With the development of the electric power system, static - state reactive power compensators ca n ' t have met the requirements of the actual production and operation, and the trend to the fast and dynamic compensation for reactive power become greater and greater. since ertan hydroplant and 500kv transmission systems in sichuan power system have been operated, many power plants of load center are forced to halt during the high - water period, because the great deal of power is transmitted to far - distance load center. thus the load center loses voltage sustentation and the level of the system stabilization is debased greatly
四川電網的二灘水電站和500kv輸變電系統投入運行后，由於二灘水電站的大量電力遠距離輸送至負荷中心，迫使負荷中心的火電機組在豐水期大量停機，使負荷中心失去電壓支撐，大大降低了電網的電壓穩定水平；同時，因為四川電網中的無功補償裝置全為靜態無功補償電容器（或電抗器） ，這些設備只能在系統正常運行狀態下起到無功補償和電壓支撐的作用，而在電網出現事故時，不但不能起到電壓支撐作用，反而會促使電網電壓崩潰事故的發生。 -
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。 -
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。 -
Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory
對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。 -
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。 -
The theses discussed the energy management system from three aspects : line loss calculation, flow calculation and reactive power optimize
論文僅從三個方面對農村配電網能量管理系統進行了論述：線損計算、潮流計算、無功優化。 -
The region network is divided into some relatively uncoupled zones, and the zones cooperate with each other to accomplish the voltage and reactive power emendation
將被控制區域劃分為若干個相對獨立的控制區域，各控制區域相互協調來完成電壓無功校正任務。
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