reactive voltage 中文意思是什麼
reactive voltage
解釋
無功電壓-
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。 -
In oilfield, feeder line of 6kv often has many branches. the pole high voltage automotive capacitor compensation system controlled by single chip computer is designed for this situation. in the system, we separate the measure position and compensation position and realize the supervision of reactive load in local area
文章以油田6kv輸配電線路為例，針對多分支樹狀結構線路的特點，研製出由單片機系統控制的戶外術上型高壓電容器自動補償系統。 -
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。 -
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。 -
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。 -
First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost
從對系統貢獻角度，採用電壓靈敏度方法（ vs法） 、 pv曲線法、等效無功補償法（ erc ） 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值，電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小，而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。 -
The software matlab is used to calculate the fuzzy system, the fuzzy system divide the voltage - reactive pane into nine fuzzy zone, in this way the domain - swing between closing domain is eliminated
該模糊推理系統的隸屬度函數採用三角形隸屬度函數，模糊推理採用mamdani型推理，非模糊化採用的是重心法，在設計時使用matlab為輔助進行離線計算。 -
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。 -
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。 -
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。 -
It not only solves the problem of optimized control of the reactive current exchanging among branches, in other words, realizes the auto - tracking to the reactance factor, but also greatly improved the reliability of the system. to design the high voltage line wireless signal acquisition device with self - feed source, we applied electromagnet induction principle and digital communication technique
系統在優化控制技術中採用了電容器補償控制的兩段控制模型，不僅解決了分支線路之問穿越無功電流的最優控制問題，實現了功率因數的自動跟蹤，而且使整個系統的可靠性大大提高。 -
Second, this paper analyzes the relation of reactive support service with voltage, power limit curve, transaction amounts. according to the power limit curve, this paper analyzes the source of the reactive cost to get an interzone cost function. using marginal cost theory, it concludes that the reactive spot price is the derivative of the cost function in generator buses
另外，本文還從發電機角度上分析了無功服務與電壓、功率限制曲線、發電機向負荷傳輸電能大小的關系；根據功率限制曲線對發電機無功成本的來源進行詳盡剖析，從理論上確定一個分區間的成本函數；並依據短期邊際成本理論可推出，計算發電機節點的電價可採用無功成本函數的偏導數的方法。 -
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。 -
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。 -
Analysis on reactive voltage in hexi area, gansu province
甘肅河西地區無功電壓問題分析 -
Integrated control system for reactive voltage based on multi - agent
基於多主體的無功電壓綜合控制系統 -
After analyzing the part and feature of the ancillary service, we discuss the component and making price method of that, the active / frequency control, the reactive / voltage control, the reserve capacity of generator and the restoration / black start mode
仔細分析了電力市場輔助服務的構成和特點，分別詳細討論了有功頻率控制、無功及電壓控制、發電備用容量、恢復及黑啟動等輔助服務的構成方式、定價方案。 -
1. the function, characteristics, implement measures and compensation means of as in power system, such as agc, reserve capacity ( spinning reserves, non - spinning reserves, replacement reserves ), reactive & voltage support, restore & black start, are detailedly introduced
詳細地闡述了各種輔助服務： agc 、容量備用（旋轉備用、非旋轉備用、替代備用） 、無功及電壓支持和黑啟動在電力系統中的功能、特點、實現方法及其補償方法。 -
The paper introduces the condition of the continuous high voltage during 1999 dry season of hubei main network, analyzes the formative cause, describes the treatment methods in other province and provids suggestion to restrain high voltage and improve reactive voltage in hubei network
介紹湖北電網1999年枯水期主網持續高電壓狀況；分析了高電壓形成的原因；介紹了國內其他省網解決高電壓問題的辦法；提出了湖北電網抑制高電壓措施和改善無功電壓工作的建議。
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