電力系統分離 的英文怎麼說

中文拼音 [diànlìxìtǒngfēnlí]
電力系統分離 英文
power system separation
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 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
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically

    本論文運用mcdf方法，通過系統考慮電子相關效應和馳豫效應，分別研究了cs離子的4d內殼層激發態衰變動力學特性，超重元素bh （ z = 107 ）的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。
  2. As to the high speed of electric spindle system, the angle - contact bearings are usually applied to supporting the shafts. because the supporting stiffness of rolling bearing is non - linear, especially under the circumstances of high speed and ultrahigh speed, the internal working status is so complicated that it is not regarded as routine linear support and ordinary non - linear support. centrifugal effect of the rolling bearing increase the factors of influencing the supporting stiffness

    高速電主軸系統的轉速很高，通常都採用角接觸球軸承作為支承，由於滾動軸承的支承剛度呈非線性形式，特別在高速和超高速情況下，滾動軸承內部的動力學狀態十分復雜，由於滾動體運動所產生的離心力作用，使得影響其支承剛度的因素增多，不能作為常規的線性支承和普通的非線性支承處理。
  3. Distance protection, which works as main protection of transmission line, is an essential protection type

    距離保護作為電力系統重要元件之一（輸電線路）的主保護，是一種十分重要的保護類型。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  5. It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy

    本文對電力系統諧波的測量方法，數據處理及電力牽引負荷對電力系統的影響進行了研究，論述了目前國內外生產的諧波分析儀用於快速波動諧波負荷的測量不滿足國標的要求，分析了諧波分析儀普遍採用的ft或fft演算法所產生的測量誤差，提出了一種不受非周期分量影響的全周波離散傅里葉演算法，模擬結果表明精度好。
  6. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  7. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。
  8. After the construct of the motion simulation model, genetic algorithm is used to do the adjustment of pid parameters of the control system of the joint motors, integral separation pid control and angle error analysis is finished, and three force / torque sensors, touch sensors, distance sensors and photoelectric switches are calibrated and installed

    在建立了機器人關節控制系統模型后，使用遺傳演算法對其關節電機控制系統進行pid參數整定，進行機器人關節的積分分離的pid控制策略和轉角誤差的理論分析，並進行了機器人三維力/力矩傳感器、接觸傳感器、測距傳感器和光電開關的標定與安裝。
  9. Based on the establishment of the mathematical model of the water - level controlling system, the boundary control equation of the stable domain of the continuous system and discrete system are found respectively, and the characteristic of stable domain of the two systems is analysed

    其目的是維持前池水位穩定，提高機組單位流量出力，最大限度利用來水，從而提高電站的經濟效益。在建立水位調節模式下調節系統數學模型基礎之上，對連續、離散系統進行了穩定分析。
  10. And we consider sufficiently all kinds of factors, such as conductance of tube, leak and deflate of system, pump speed, ionization and re - ionization of high - energy ion taking place in the process of transmission. furthermore, we take two ways to discuss pressure distribution of cell

    在系統軸線上壓力分佈分析過程中，綜合考慮了管道的流導、系統的漏氣和放氣、泵的抽速、高能離子在管道內漂移過程中發生的電離和再電離等因素的影響。
  11. According to the demand for the power system calculation, the calculations are classified as real time calculation orienting short - term objects, off - line calculation orienting medium - term objects and planning calculation orienting long - term objects

    根據對計算的不同需求，本文將電力系統計算劃分為面向短期目標的實時計算、面向中期目標的離線計算和面向長期目標的規劃計算，並指出了各種計算對測量、模型以及演算法的依賴性。
  12. With the rapid development of the power system, the power grid changes day to day, such as : the number of parallel lines increases greatly, the transmission lines become much longer and the load is much more heavy

    隨著電力系統的迅速發展，電網結構不斷發生變化。同桿並架雙回線路和遠距離重負荷線路將不斷增多，分支線路和多端線路亦將增加。
  13. This paper analyses current situation of chp and situation of development, use evaluating energy utilization - - based on electricity comparing with state calculated method - - based on heat, calculates the operating data of baotou second thermal power plant heat supply system ， extends the study of heat supply performance to heat net and heat consumer, synthetically analyses heat load characteristic 、 pipe net property and heat supply distance witch effect heat supply cost. the paper studies the thermal power performance of thermal power plant total energy system, discuss heat supply cost which effect the development of chp

    本文對熱電聯產的現狀及發展情況進行分析，採用能源利用系統性能評價指標體系及其評價指標? ?電量法與國家目前採用的法定計量方法? ?熱量法進行比較，通過對內蒙古包頭第二熱電廠供熱熱源系統及供熱熱網系統的熱電聯產運行數據進行分析計算，將供熱過程的熱力性能研究延伸至熱網和熱用戶，分析用戶終端的能源利用情況，針對內蒙古地區主力機組和地區條件，綜合分析了熱負荷特性、管網性能及供熱距離對供熱成本的影響，研究了熱電廠總能系統的熱力性能，對困擾熱電聯產的供熱成本進行了探討。
  14. Along with the development of power system, more and more generators and ehv transmission systems are put into operation. there come many new situations, such as the lengthening transmission distance, the heavier load, the increasing transient elements during the transient process. these new conditions influence the correct working of relay protections

    隨著電力系統的不斷發展，大容量發電機組和超高壓輸電系統的相繼投入運行，系統中出現了許多新的情況，如輸電距離增大、負荷加重、故障暫態過程中的暫態分量大大增加、持續時間變長等，這些情況對目前常用的各種繼電保護方法的正確動作會產生許多不利的影響，甚至不能正常運行。
  15. In our country, the distributing of resources and loads is asymmetrical. with the development of electric power industry, it is a challenge for long distance power transmission

    我國電力工業發展迅速，但資源與負荷的分佈很不均勻，電力系統資源與負荷的矛盾分佈為遠距離輸電技術帶來了挑戰。
  16. This paper analyzes the study and developmeni of the distfibuted power line protection & monitoring device on abroad and home. based on the demand of power depwtment, a full distfibated multifunctional protection & monitoring device faced the distributed line is studied. this instrument not only can perform functions of scada system, but also integrate the functions of the distance protection and three sects line current protection

    本文分析了國內外配電線路微機保護和測控裝置的研究和發展狀況，針對現有電力部門的需求，設計並實現了一種面向配電線路的全分散式的微機保護和測控裝置，該裝置不僅實現了電力系統的實時測控和三段式電流保護功能，而且還率先集成了配電線路的微機距離保護。
  17. The “ gw9 - 12 ” type of outdoor high voltage isolator switch is the high voltage switch ewuip ment of single phase ac 50hz, the product is suitable for power system sithrated 10kv to make or break power supply under circumstances of with voltage and nomload

    12型戶外高壓職責離開關是單相交流50hz高壓開關設備，用於10kv的電力系統中，作為有電壓無負載的情況下接通或分斷電源使用。
  18. The operation reliability of the power transformer as the key equipment in electrical power systems, influences operation security of electrical power systems directly. the components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer. in order to overcome the errors caused by complex handling procedure and man - made factors using general chromatogram analysis method, author brings forward an on - line detecting of gases dissolved in transformer oil by using macromolecule polymer to separate oil and gases automatically and an information fusion technology of multi - sensors ; at the same time, in order to improve the accuracy and reliability, author uses neural networks to diagnose transformer faults

    變壓器作為電力系統的樞紐設備，其運行可靠性直接影響電力系統的安全運行；變壓器油中溶解氣體的成分和含量能有效體現運行變壓器內部的絕緣故障情況，為解決常規色譜分析中復雜的操作程序和由於人為因素引起的較大的誤差，論文提出了應用高分子聚合膜實現變壓器油氣自動分離、多傳感信息融合技術智能檢測多種氣體成分的變壓器油中溶解氣體在線監測技術，應用神經網路智能診斷方法實施故障診斷，提高變壓器故障診斷的準確性和可靠性。
  19. Reactive power optimization is a large - scale nonlinear optimization problem with a large number of variables and uncertain parameters, the operating variables include continuous and discrete variables, so the optimization becomes very complex

    電力系統的無功優化問題是一個多變量、多約束的混合非線性規劃問題，其操作變量既有連續變量又有離散變量，使得優化過程十分復雜。
  20. But due to the existence of the fault resistance, the branch current, the zero sequence mutual coupling and so on, the apparent impedances and protection scope of distance protection will change, thereby affecting the performance of distance protection and the safety operation of power system

    然而，由於過渡電阻、分支電流和零序互感等因素的影響，會改變距離保護測量阻抗的大小，造成距離保護動作范圍的擴大與縮小，從而影響距離保護的性能，威脅電力系統的安全運行。
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