補償分流器 的英文怎麼說

中文拼音 [chángfēnliú]
補償分流器 英文
compensating shunt
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
  • : 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
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
  1. Appling closed loop control strategy in the power factor dynamic compensation system. then the key techniques, for example, the fashion of real time sampling idle current and the fashion of compensation capacitor connected with, the time when the compensation capacitor are thrown up, are researched

    針對本系統的應用對象,確定了本系統中所應用的無功電實時檢測理論和方式、電容接線和組方式、電容投入時刻的選擇等關鍵技術;並對can技術應用於功率因素動態系統進行了研究。
  2. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯諧振析和並聯諧振析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容湯6c頻繁燒保險的主要原因是5次諧波電含量偏高,引起湯7c放電pt爆炸也是因為7次和9次諧波電被放大。針對這些導致湯陰變電站電容故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容5次諧波電含量偏高的原因,提出了停運湯6c電容或者通過把湯sc電容的部容量併入湯6c電容(湯sc其餘部停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電被放大的現象,提出了在湯7c電容上加裝一定百比的串聯電抗的措施。
  3. During the period of measurement, the transduction circuits transform the differential pressures, the absolute pressures and the temperatures received by the sensors into the voltage signals, and then, the voltage signals are transformed into digital signals by the a / d convertor. the mcu processes these digital signals and calculates the cumulation of the flow. finally the totalizers contact with the pc by rs - 485 bus to form a distributed measuring network

    在測量過程中,系統以量計節所獲得的差壓信號作為主信號、絕壓和溫度信號作為信號進行量積算,這三種信號別由相應傳感感知后,經各自的物理信號測量電路轉換為電信號,再由a / d轉換模塊轉變為數字量,交微控制進行處理、積算。
  4. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電互感為目標,提出了基於bang - bang控制的有源方法,採用雙級電互感,將復雜的狀態控制量轉化為偏差控制,該方法結構簡單,調試方便,有源輸出電小,可以將0 . 2級的電互感經過后提高到一次電從額定值的2變化到120時,測量誤差不超過一次電額定值100時準確度為0 . 1級的測量標準。
  5. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字變換平臺中,採用全數字波形校正技術,完全了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變,充保障了變換控制的準確性;採用數字直量調節技術,可以精確地對控制信號進行,在充保證輸出性能的前提下,實現了輸出直量的調節。
  6. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論析和模擬研究結果表明,由於復位脈沖的非理想特性,單周控制的全橋開關功率放大輸出端存在直偏置問題,其大小與復位脈沖的寬度成正比。針對輸出直偏置問題,提出了電壓的改進方案,給出了電壓的具體計算公式。對前和后的方案進行了對比模擬研究和實驗研究。
  7. 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控制的兩段控制模型,不僅解決了支線路之問穿越無功電的最優控制問題,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。
  8. 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是以三相瞬時無功功率理論為基礎的,它由無功電檢測電路、電跟蹤控制電路和主電路三大部組成,其中電跟蹤控制電路由指令電運算電路、電極性檢測電路和電跟蹤控制邏輯電路三部構成。
  9. In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation

    作者在參閱國內外大量相關參考文獻的基礎上,從電導測試技術的原理性研究出發,析了採用交激勵源、兩電導電極為傳感的傳統電導測試系統所面臨的種種問題,提出並研製了一種基於雙極性脈沖電壓激勵、以四電導電極為探頭、運用單片機進行溫度自動的新型電導率測量系統。
  10. On the basis of theoretical analysis and numerical calculations using matlab language combined with a real instance, it is indicated that the improper electrical parameter coordination caused by the abundance of power cable lines result in fundamental frequency current resonance, in addition, the countermeasures based on svc to solve the problem are put forward

    文中結合某變電站異常運行狀態實例,在理論析和matlab語言數值計算的基礎上,指出由於電纜的大量使用導致了該系統參數配合不當,從而誘發了基波電諧振,並提出裝設靜態以防範該類諧振。
  11. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能的液壓電梯變頻節能控制系統研究」的基本原理,析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能迴路泄漏油損失機理的研究及其裝置的設計、蓄能-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  12. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    同時,電路設計採用同步整技術、低功耗電采樣技術降低功耗,提高轉換效率;採用靈活的外部環路技術、誤差放大輸出嵌位技術以實現良好大信號特性;採用段斜坡技術,消除不穩定因素,並最大程度地減小過帶來的問題;採用外接輸出采樣電阻的方式,實現輸出電壓的可編程。
  13. By the way, a displaying system and a communicating system is added. this dissertation is divided into four chapters altogether : chapter one is the introduction, introducing the hore component and its important characteristic and putting forward the basic task ; chapter two introduce the principle of the auto - tracking system and respective parts of the auto - tracking system ; chapter three introduce the applications of auto - tracking system under static condition and dynamic condition and give out the experiment results ; chapter four introduced the displaying system, communicating system and the applicability of the auto - tracking system to other sensors

    本文共為五章:第一章緒論中,介紹了霍爾元件及其一些重要特性,並提出了測量系統的基本方案;第二章詳細介紹了測量系統各部的構成及原理,特別是對直通道、溫度模塊和音圈電機為核心的隨動機構的論述;第三章介紹了實際系統在靜態測量和動態測量兩種模式下的應用及實驗結果;第四章介紹了系統的顯示功能和遠程通信功能並討論了系統對其它傳感的適用性。
  14. 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

    本研究通過析所獲得的最優綜合控制組合曲線及電網潮,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電抗作為主要措施;在2010年夏小運行方式下則投入適量並聯電容作為主要措施,再輔助以選擇合適的主變有載調壓接頭來調節,達到控制網內無功潮佈合理、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。
  15. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中,針對1 . 5kw和18kw異步電機進行了模擬,並在此基礎上提出兩種簡化控制方式;在tms320f240的具體編程過程中,別對自適應濾波的有限字長效應、直偏置效應等非理想因素進行了修正和;最後,在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感實驗,實驗結果表明了演算法完全可以達到預期的目標。
  16. The coordination control between the angle error and the ratio error was realized through analyzing the common characteristics between the similar magnetizing current compensation and the anti - turn compensation

    通過析相似電和反匝數的特點,對電互感的比差和角差進行了協調控制,效果明顯。
  17. Thesis this in existing electric capacity, whether it utilize by the ct one mainly reject and mix by suitable partial pressure not low - voltage partial pressure arm not high - handed of cvt electric capacity not insulating, in the middle of and ca n ' t compensate reactor, etc. of voltage transformer, design by sectional mutual inductor that ct combine cvt with, sectional mutual inductance utensil this have electric current mutual inductor and voltage double function of mutual inductor

    本論文在現有電容型絕緣電互感和電容式電壓互感製造技術的基礎上,利用ct的主絕緣電容屏作為cvt的高壓壓臂,配以合適的低壓、中間變壓以及電抗等,設計了由ct和cvt相結合的組合式互感,該組合式互感具有電互感和電壓互感的雙重功能。
  18. Two generating methods of compensation current are also proposed for the purpose of eliminating detuning or limiting harmonic voltage contents, in which the compensation current is the weighted superposition of filter harmonic currents or voltages and the regulating factor

    針對消除失諧或限制諧波電壓含量的不同控制目標,提出了諧波磁通的兩種生成方法,別是濾波或母線電壓中各次諧波量與調節系數的加權合成。
  19. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功控制以flash型16位單片機msp430f149為控制核心,採用了一種相角實時測量的新演算法,並在此基礎上計算出了功率因數、有功和無功,減少了運算量提高了精度;在析了各種無功控制策略的基礎上,以母線電壓和無功功率復合判據控制投切,並提出一種改進的電容投切方式? ?暫態投切控制晶閘管過零觸發,避免了電容投切時的電沖擊;穩態運行時接觸替代晶閘管,實現無功的自動跟蹤和電容的自動投切,解決了投切時的暫態電沖擊和穩態時可靠運行的難題;控制的原始運行參數採用flash自編程技術,將其保存在msp430f149片內的信息flash中,簡化了硬體電路,大大提高了系統的可靠性。
  20. In this thesis, firstly, a new distortion current detection theory and approach based on the least compensation current ( lcc ) is presented, and an apf using the new lcc detection method is investigated

    首先,在對電力諧波的產生、危害及目前最新的治理措施進行必要的論述和析的基礎上,提出一種基於最小的畸變電檢測的新理論和方法和相應的最小的單相有源電力濾波
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