邊電壓 的英文怎麼說

中文拼音 [biāndiàn]
邊電壓 英文
polygonal voltage
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 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...
  • : 壓構詞成分。
  • 電壓 : voltage; electric tension; electric voltage
  1. What is the potential drop in an edge ?

    在一條降是多少?
  2. The aircraft used throughout the hydraulic system, two aircraft integration design pressure and pressure and pressure and can independently accomplish suing time control moves make big vehicles with tight solid, more eggective your savings artificial, time, electricity and lower costs, improve efficiency, it can help make up the hydraulic pessure at the end of the department to achieve shoes second fill pressure of functions to enhance the quality of diesel

    本機採用油系統,兩機一體設計,前後均能獨立完成,採用時間控制動作,出力大,貼合緊牢固,更為你有效的節省人工、時間、力及降低成本,提高工作效率,可以彌補全油底機死角之處,達到鞋子二次補之功能,提升著品質。
  3. Mesh voltage of a polyphase system

    多相系邊電壓
  4. The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation

    二、在高頻變器原,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變器繞組上的是同一方向的,變器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻信號放大失真或由於很大的磁化流而無法正常工作。
  5. Two kinds of new on - line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways, are designed

    本文提出了兩種在線監測變器繞組變形的方法,通過在線監測變器繞組原、次流量,實時計算變器繞組的短路抗來判斷變器繞組變形情況,並對氣化鐵路主要接線型式的牽引變器繞組變形的在線監測方案進行了設計。
  6. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何值的dirichlet問題都可轉化為求解的問題:給出了計算平面格點上dirichlet問題的5種方法:證明了迭代法和松馳法都是指數收斂的,並分別給出收斂速度的估計;討論了一般路上的隨機徘徊,驗證了路與可逆的遍歷markov鏈是一一對應的;給出了的概率解釋:當把1伏加於a , b兩端,使得v _ a = 1 , v _ b = 0時,則x點的v _ x表示對應的markov鏈中,從x出發,到達b之前到達a的概率;進一步地,給出了逃離概率與有效阻之間的關系:從a出發,在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。
  7. It is only using one high voltage cable to serve as the common one - turn primary winding for all the output transformers. in addition, the isolation voltage level for the transformers can be made very high

    使用超高絕緣的纜線作為所有輸出變器單匝的原繞組,源輸出之間的隔離可以達到相當高的等級。
  8. 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,本文還從發機角度上分析了無功服務與、功率限制曲線、發機向負荷傳輸能大小的關系;根據功率限制曲線對發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;並依據短期際成本理論可推出,計算發機節點的價可採用無功成本函數的偏導數的方法。
  9. The converter has the advantages including zvs for the switches, no voltage spike across the rectifier diodes, simple circuit and constant frequency control

    該變換器具有開關管應力低、實現軟開關容易、副整流管沒有尖峰等優點,適合中大功率場合。
  10. In order to eliminate the voltage oscillation caused by the reverse recovery of the rectifier diodes, a resonant inductance and two clamping diodes can be introduced to the primary side

    為了消除輸出整流管的尖峰,可以在原加入一個諧振感和兩個箝位二極體。
  11. Secondly, the math model of the high - speed pm generator with a shielding is deduced. the method of how to analyze the electromagnetic field of the generator is introduced. and with the help of a kind of fem software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no - load voltage, single - side magnetic force, loaded torque and axial force

    其次,對轉子帶防護罩的高速永磁發機數學模型進行了推導,介紹了利用有限元法對機磁場進行分析的方法,並運用有限元軟體對一臺樣機的參數進行了模擬,包括機磁場分析、空載波形、單磁拉力、負載轉矩以及軸向力等方面的內容。
  12. After the analysis of the state of converter switches, the voltage space vector is received. on the basis of hexagon stator flux trace method of traditional direct torque control, by changing the regulation of stator flux, hexagon and approximate round trace of stator flux can be got when using different voltage space vector. the fast regulation is realized when three - value regulator is used to adjust torque

    通過對逆變器開關狀態的分析進而得到空間矢量,並且論述了空間矢量與轉矩和磁鏈之間的關系,使用兩點式調節方法對定子磁鏈進行調節,實現六形磁鏈軌跡和圓形軌跡方案,對轉矩採用三值調節器進行調節,以實現轉矩的快速調節。
  13. In the synchronous " model, based on the idea of polygonal flux linkage locus, by means of constructing the switch state period table of three phrase voltage inverter is required. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by gal ( generic array logic ) which analyzes the signal of position feed - back

    在同步方式下,基於多形磁鏈軌跡法的思想,用作圖法求得三相型逆變器的pwm波形序列;在無刷直流方式下,用gal對位置反饋信號進行邏輯綜合,得到開關管的導通規律。
  14. 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,提出了單開放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費用最小為目標的無功價計算方法;最後用一個5節點系統和ieee14節點系統進行了實例分析,初步研究了發機有功報價、系統控制以及負荷功率因數對無功價的影響,得出了一些有借鑒意義的結論。
  15. The obtained results indicate that the concentrations of reactants in the catalyst layers in front of t he current collectors are very low, that reduce the utility of catalyst ; the current density at the edges of the channels is many times greater than the mean current density

    計算了池內反應物濃度的分佈、流密度分佈、甲醇竄流以及-流特性曲線等。結果表明:集流板前的催化層內反應物濃度非常低;流道緣附近流密度比平均流密度大許多倍。
  16. The goal of this paper is, by serial / parallel combination technique of two - transistos forward converters ( ttfcs ), to keep the merits of the ttfc, and to overcome the shortages of it. the interleaving technique is adopted, while in combining ttfcs. the interleaving technique lowers the net ripple amplitude and raises the effective ripple frequency of the overall converter without increasing switching losses or device stresses

    組合式雙管正激變換器由雙管正激變換器串並聯構成,應用交錯控制策略,在保留雙管正激變換器功率開關管應力低和可靠性高的優點同時,克服了等效占空比小、副二極體應力高、輸出流脈動大等缺點。
  17. These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right

    這類逆變器由左右二個雙向boostdc / dc變換器構成,左右二是對稱的,所以整個路構成了一個四象限變換器,我們可以恰當控制各功率管的開、關,使左的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波,使右的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形,這樣,負載zl上的是左、右兩個dc / dc變換器的差動輸出,正好可以消掉直流偏置,最終在負載r1上得到的就是正弦波。
  18. It is including the structure of neurons, the distribution of ions concentration in or out of the neuron membrane, the electrochemical gradient of ions, the equilibrium potential, the resting potential and action potential of neuron, the ion theory of the transmembrane potential and the hodgkin - huxley ( hh ) equation

    包括神經元的結構,神經元細胞膜兩離子濃度的分佈,離子的化學梯度和平衡位,神經元的靜息位,動作位,描述神經元膜兩邊電壓變化的離子學說以及hodgkin - huxley方程。
  19. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以正弦波永磁同步機作為驅動機,採用多形磁鏈軌跡法(空間矢量法)的控制策略;動量平衡機採用永磁無刷直流機,通過流環、速度環達到快速、精確跟蹤驅動機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動機和平衡機的協調控制,並通過c語言和匯編語言的混合編程實現了機的多形磁鏈軌跡控制演算法。
  20. One is that the operation duty cycle can not be larger than 50 % because of the requirement for the transformer resetting. as a result, the voltage stress of the secondary diode is high, which limits the usage of dfc in high output voltage application

    但由於變器磁芯復位的需要,其工作占空比必須小於50 ,從而造成占空比利用率不高,變器副邊電壓高,副高頻整流二極體的應力大。
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