解整流 的英文怎麼說

中文拼音 [jiězhěngliú]
解整流 英文
decommutation
  • 解 : 解動詞（解送） send under guard
  • 整 : Ⅰ形容詞1 （全部在內; 完整） whole; all; complete 2 （整齊） neat; tidy; orderly Ⅱ動詞1 （整理; 整...
  • 流 : 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...
  1. Abstract : the author puts forward a constant - current control system of diode rectifier with saturable reactor in electrolytic aluminum. the working principle of saturable reactor is depicted. also analyzed are the system configuration and features of system correct circuit

    文摘:介紹了應用於電解鋁的加飽和電抗器的二極體整流器的恆流控制系統，簡述了飽和電抗器的工作原理，分述了系統構成和系統校正電路的特點。
  2. The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current

    傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換，導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量，功率因數變低（通常只有0 . 65 ） 。
  3. The super entropy produce criterion is a good tool to judge the system ' s abrupt change from a lower grade to a higher one. in this paper the entropy of the urban resource - environment system was defined, and in an example of its application the super entropy produce criterion of the urban resource - environment system reflected the real developmental process of the whole system. furthermore, in this paper, a new model for the grid size optimization of the finite element method ( applied to the water quality modeling of the topographically complicated river ) was brought forward based on the maximum information entropy theory in condition that the length of gird was given

    超熵產生判據為我們提供了判斷系統從低級有序向高級有序突變過程的工具，本文提出了城市資源與環境系統熵的定義，在實例中的應用證明城市資源與環境系統的超熵產生判據較好地反映了整個系統的演化情況；另外，本文針對在城市復雜河道情況下，利用有限單元法求解河流水質模型時網格單元大小難確定的問題，引入網格信息熵的概念，提出了有限單元法求解河流水質模型的網格優化方法。
  4. The power supply & transmit electricity system in guangyuan fulfilled the role of supplying main power to guangyuan city. while the harmonic occurred is very serious and it has not been restrainted. the main harmonic sources are two loads : aluminium electrolysed load and electrized locomotive load

    廣元電力網主要擔負著廣元市、縣工農業及人民日常生活用電任務，但其諧波極其嚴重，並且沒有進行治理，其主要諧波源負荷為電解鋁整流負荷和電氣機車牽引負荷。
  5. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發電機中四個y繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。
  6. The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different

    其中，並列運行的無串補交流輸電線路可以緩解hvdc與其臨近機組之間的機電耦合程度，改善hvdc的電氣負阻尼特性，從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性，此時系統的整體電氣阻尼特性由hvdc的性質決定;但若交流線路中存在串聯補償電容，則系統幅值較大的電氣負阻尼不僅可能使整流站機組發生次同步振蕩，逆變站附近機組同樣存在發生次同步振蕩的可能性，此時系統的整體阻尼特性由串聯補償電容的性質決定。
  7. Using the literature materials and experience before, this paper makes a thorough study on optimal design of water supply networks. an algorithm of decomposing and coordination of system engineering which divides the optimization of the whole networks into three parts, i. e. optimization of water resource flow, and pipe - diameter and standardization of pipe - diameter is proposed. the three parts can be resolved by generalized contracted grads method, hybrid genetic algorithm which is the combination of genetic algorithm and grg method separately

    本文根據以往的文獻資料及相關工程經驗，針對給水管網優化設計這一課題做了深入的研究，提出利用分層分解協調演算法將管網優化設計問題分解成流量優化、管徑優化及管徑取整三個子課題的思想，並分別採用廣義簡約梯度法、遺傳演算法與廣義簡約梯度法相結合的混合遺傳演算法及簡單遺傳演算法來求解三個課題。
  8. The paper analyzes the composition of siemens shaft - generator with rectifier and thyristor inverter and its working principle, and introduces the independent power supply, the operation of the system, automatic adjustment, and the function of synchronous condenser, contributing to upgrade the understanding level and cognitive ability of shipping mechatronics managerial staff

    摘要文章分析了西門子帶整流逆變中間環節的軸帶發電系統的組成及工作原理，介紹了單獨向電網供電方式、系統的運行、自動調節以及調相機在系統中的作用，有助於提高船舶機電管理人員對這一系統的理解和認識能力。
  9. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體，以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容，主要做了以下工作：建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型，並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點，將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小，設計了三段式預調度演算法：用靜態規劃法求解整個預調度計劃周期內的優化問題；用優先級法求解機組組合問題；用改進的powell法求解最優潮流問題。
  10. When escape system is activated, the grille wings at the upper fairing will open, supporting frame will pick up the orbit and returning modules, the lock between the returning and propelling modules will release, the lock between the upper and lower fairings will release, escape rocket will be ignited and finally pull the escape flight vehicle away from the rocket

    該系統由逃逸塔和上部整流罩組成，逃逸系統加上飛船的軌道艙和返回艙構成逃逸飛行器。當需要逃逸時，上部整流罩上的柵格翼打開，支撐機構夾住飛船軌道艙和返回艙，然後返回艙與推進艙解鎖上下整流罩解鎖逃逸發動機點火，逃逸飛行器飛離運載火箭。
  11. The company mainly produces high - tension and low - tension electric equipment, thyristors electrical machinery soft starter, automatic regulating silicon piles etc. it developed the technology with own patent adopting sun shape heat tube radiators with steam and water separated, and developed the integrated power module unit including thyristors and rectifiers with the technology. the products organization is novel, and it conducts heat rapidly and has solved the difficult problems of heat dissipation in generator excitation and exchange power

    公司主要生產高低壓成套電器低壓動態無功補償裝置晶閘管電機軟啟動自動調壓硅堆等產品。研製開發出了「日」字形汽水分離式熱管散熱，並利用該技術開發了晶閘管整流管一體化功率組件，結構新穎，傳熱迅速，為發電機勵磁交流調功等領域解決了器件散熱難題，產品的各項性能均處于國內外領先水平。
  12. With this software, the model parameters are benchmarked with plant data and the simulation results of the model validated for

    最後，在總結全文研究工作的基礎上，指出了重整流程模擬優化技術在開發和應用中需要進一步解決的問題。
  13. After that, the evaporative cooling commute circuit system was build - up. the temperature of thyristor and the thermal resistant between thyristor and air was calculated. the corresponding parameter was compared in different cooling system

    文章在對晶閘管傳統冷卻方式深入透徹理解的基礎上，從理論上分析了可控硅整流電路採用蒸發冷卻技術的可行性以及引入調壓系統的可行性和必要性，進而又進行了實驗研究。
  14. Through preventive and analyzing test of dissolved gas, water content in oil of the large - scale rectification transformer, we discuss the validity of the preventive test, and put forward the proposal on examining method, the failure diagnosis as well as the present situation and the development of maintenance for large - scale rectification transformer

    摘要通過對大型整流變壓器油中溶解氣體、油中含水量分析預防性試驗，探討預防性試驗有效性，並對檢測方法、故障診斷以及大型整流變壓器狀態檢修的現狀與發展提出建議。
  15. Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers

    本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理，為解決滯后橋臂不易實現零電壓開關（ zvs ）的情況，討論了另外三種全橋移相zvsdc dc變換器的電路拓撲，重點分析並解決了四個方面的問題：如何擴大zvs的負載范圍；減小變壓器原邊環流，降低變換器系統通態損耗；減少變壓器次邊有效占空比丟失；消除輸出整流二極體的寄生振蕩。
  16. For the first time, the energy band configuration of p - si / n - bn heterojunctions were studied and drawn up. the study of the current - voltage ( i - v ) characteristics showed significant rectifying behavior with reverse saturation current of 3. 7 x 10 ~ 7a, breakdown voltage of 30v and turn on voltage of 14v. the capacity - voltage ( c - v ) characteristics are studied too

    研究了p - si / n - bn異質結的-特性，測試表明異質結具有明顯的整流特性，反向飽和電流3 . 7x10 「 』 a ，擊穿電壓高達30v導通電壓為14v ，應用p七en異質結能帶圖對其卜v特性做出了定性解釋。
  17. Firstly, the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function. secondly, the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction

    先對交流勵磁機定子磁極線圈電壓采樣信號進行消噪濾波，再通過小波包分解和重構進行特徵頻率提取，建立了表徵旋轉整流器故障的特徵向量。
  18. With development of power electronics technology and advancement of heavy - current silicon rectifier assembly ' s application technology - mainly been used in electrolysis power supply of electrochemistry industry, some new demands have been put forward for design and manufacture of heavy - current silicon rectifier assembly

    隨著電力電子技術的發展以及電化學工業作為電解電源使用的大電流硅整流裝置應用技術的不斷提高，對大電流硅整流裝置的設計和製造提出了新的要求。
  19. Consumers successively plunged a large number of silicon controlled commuted devices ( such as steel rolling 、 electrized locomotive 、 aluminium electrolysed devices etc ) and smelting devices to improve their produced efficiency or to save energy. on the one hand it is good for consumers, on the other hand it will arouse the fluctuation of voltage and frequency and it will result in the collision of the active and reactance capacity. meanwhile these nonlinear loads bring much harmonic into the electric network which deteriorate the quality of power supply and hazard the online device enormously

    用電部門為了提高生產效益、節約能源，在大電網中相繼出現了大量的可控硅整流裝置（如軋鋼、電氣化機車、鋁加工電解設備等）以及冶煉設備，這些設備的投入使用對節能有一定好處，但給電網造成有、無功沖擊，引起電壓和頻率的波動，同時，這些非線性負荷向電網注入大量諧波，大大惡化了供電系統的電能質量，給用電設備帶來了極大的危害。
  20. The concerted control strategy of rectifier and inverter is analyzed to keep high modulation degree of spwm, which achieves quick response and high resolution of excitation voltage regulation

    重點分析了整流器和逆變器的協調控制策略，始終保持spwm高調制度，達到勵磁電壓調節的快速響應和高解析度。
分享友人
分享到 Line

分享到臉書