無功分量 的英文怎麼說

中文拼音 [wúgōngfēnliáng]
無功分量 英文
idle component
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 無功 : [電學] idle; idle work
  1. 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。
  2. By using a special filter to obtain the vibration of the disturbance, ( pe ), the governor additional controller will have nothing to do with the setting output of generator active power

    通過提取p _ e的交變分量，使調速系統附加控制器與發電機輸出功率的額定值無關，即不影響發電機的正常運行。
  3. 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。
  4. This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time

    本文針對plc無功調度曲線控制器，結合整個研製過程，在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述，並給出了部分程序流程簡圖（由於梯形圖網路數太多，受篇幅限制沒有給出） 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識，在設計過程中，我們查閱了大量相關的資料，在充分調查、分析、研究的基礎上，結合桓仁發電廠實際情況，首次提出並研製出了plc無功調度曲線控制器。
  5. The variable injection flow rate of product is controlled by electronic ic circuit. so the purpose of using minimum effective does and safe does and constant administration can be reached. because the product has designed various parameters, it increases functional selectional selection and makes the flow rate is more linear and constant. it is not only suitable for acesodyne after operation but also sutable for clinic application such as childbirth without pain and chemotherapy and so on

    本產品電子集成電路控制可變注液流量，達到控制最小有效劑量、安全劑量、均勻給藥的臨床用藥目的，該產品設計了多種參數，增加了功能的選擇，使流量更加線性和平穩，不僅適合手術后止痛，更適合用於無痛分娩、化療等臨床運用。
  6. Direct acting indicating analogue electrical measuring instruments and their accessories part 3 : special requirements for wattmeters and varmeters

    直接動作指示模擬電氣測量儀器及其附件.第3部分:瓦特計和無功功率計的特殊要求
  7. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  8. Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor

    本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流，總結出了如下規則：隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下，綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施；在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施，再輔助以選擇合適的主變有載調壓分接頭來調節，達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小，從而也提高了電網安全運行水平及供電質量。
  9. Direct acting indicating analogue electrical - measuring instruments and their accessories - part 3 : special requirements for wattmeters and varmeters ; amendment 1

    直接動作指示模擬電氣測量儀器及其附件.第3部分:瓦特功率表和無功表的特殊要求.修訂件1
  10. In the paper, reactive power market is divided into two parts : reactive capacity market and reactive energy market of reactive power

    在文中，無功電力市場被分為無功容量市場和無功電量市場。
  11. Considering the condition of the early electric market in china, on the basis of cost analysis of reactive power support, this paper propose a new method in which reactive power price is divided into reactive capability price and reactive energy price

    無功容量電價確保發電機無功容量資本成本得到回收;將發電機的無功輔助服務分為無償和有償服務，發電機提供有償服務時的機會成本和管理成本構成無功電量電價。
  12. Section iii proposes a possible organization of a reactive power market, a regional reactive power market established according to the distribution of the load and the reactive supply. the regional reactive power market is composed of a reactive energy market based on marginal pricing and a reactive capacity market based on a reactive regulating capacity payment. the cases in section iv, based on the market organization proposals and the reactive bid structure previously presented, performed on a five - bus system and the ieee 14 bus system, are used to analysis the effects of active bid, voltage control and power factor on the reactive marginal price

    本文首先回顧了電力市場發展的歷史和現狀；然後對市場中的定價方法和無功輔助服務的內容及特點進行了總結，並介紹了一些國家的無功輔助服務市場模式和交易方法；接著立足我國國情，提出了單邊開放電力市場下的無功市場框架：即根據負荷和無功源的分佈特點建立區域無功市場，各區域無功市場又由相應的無功電量市場和無功容量市場組成；並提出了該無功市場模式下的機組報價模型和基於報價的以系統總購電費用最小為目標的無功電價計算方法；最後用一個5節點系統和ieee14節點系統進行了實例分析，初步研究了發電機有功報價、系統電壓控制以及負荷功率因數對無功電價的影響，得出了一些有借鑒意義的結論。
  13. The validity of the method is verified through sensitivity studies. this work emphasizes that the valuation of reactive power support services should be based on their contributions to system security and stability. from this view, we set up the model of capacity pricing and the structure of var capacity market

    接下來，對國內外已營運電力市場的無功輔助服務市場情況進行分析，在總結各類市場的先進經驗和欠缺之處的基礎上，創造性地提出了統一計算和集中補償的模式，建立無功容量市場和無功電量市場的設想，確定了本項研究的基本思路。
  14. In the early electric market in china, in order to encourage the power plant to supply reactive power and maintain the safe and stable operation of power system as well as give proper pricing signal of reactive power, the old method in which only active power is charged and reactive power is free must be changed

    為調動發電廠參與無功輔助服務的積極性，確保系統安全穩定運行，並給無功電源建設以正確的價格信號，根據發電廠無功輔助服務成本分析和我國初級電力市場的狀況，討論了一種無功容量電價加無功電量電價的二部制無功輔助服務補償電價。
  15. 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。
  16. Based on the theory of branch complex power, accurate formulas are derived to determine complex loss and flow components in power elements. to overcome the deficiencies of the traditional methods which transmission cost is allocated to users only based on active power flow and the existed using portion definitions which fail to take it into account that the interaction of active and reactive power, a new definition of the using portion of a power element by a particular generator or load is addressed

    針對當前輸電費用只按有功潮流進行分配，無法計及無功潮流交叉影響的缺陷和基於傳統的電路理論無法結合有功無功潮流來定義元件使用份額的問題，本文又在復功率電源的支路功率分量理論基礎之上，基於發電機和負荷的復功率在支路上引起的有功損耗分量，給出了發電機和負荷對元件使用份額的新定義。
  17. Thus the reactive compensator can be located in the center of the distributed load in the area and make the best user of the compensator ' s capacity. the distance flowed by the reactive current is efficiently reduced and the active loss of power net goes down. two - stage control model is adopted in the optimized control technique of the system

    該系統採用了測量點與補償點與分開的方式，實現了區域性無功負荷監視，使無功補償點可以安置在區域性分散負荷的中心部位，最大程度地利用了補償容量，有效地縮短了無功電流傳輸的距離，降低了電網的有功損耗。
  18. On the analysis of the theory of instantaneous reactive power, the paper brings forward a new harmonic detection method based on multiple frequency transform. the detection theory of positive sequence harmonic and negative sequence harmonic is respectively proved in detail. the correlative concepts are defined and the simulation validates the feasibility of this method

    本文在分析瞬時無功功率理論的基礎上，提出了一種基於倍頻旋轉變換的諧波測量方法，分別針對正序和負序分量，從理論上證明了該方法能分離出單個的諧波，給出了相關量的定義，最後通過模擬驗證了該方法的有效性。
  19. When there are harmonics on the power system, influences of measurement process of reactive power caused by harmonic are analyzed, for example the influences of inductor and electric power measurement

    電網有諧波存在時，分析了諧波對于無功測量過程的影響，如對互感器的影響，對電能計量的影響。
  20. Reactive power pricing and the allocation of reactive power cost is the key to the reactive energy market

    在無功電量市場中，關鍵問題是對無功功率的定價和無功功率成本的分攤。
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