線電壓 的英文怎麼說

中文拼音 [xiàndiànyā]
線電壓 英文
line voltage; mesh voltage
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 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...
  • 壓 : 壓構詞成分。
  • 電壓 : voltage; electric tension; electric voltage
  1. The simulation results show that, with the proposed coordinated recovery strategy implemented, the recovery performance of the tested multi - infeed hvdc system has been improved a lot when compared with the conventional control strategy "

    該方法更注重直流系統兩端控制間的協調，更注重在直流系統恢復期間對其換流母線電壓的維持。
  2. Line - to - line voltage line - to - line voltage is the voltage between any two phases of an ac generator

    線電壓線電壓是指交流發電機任何兩相間的電壓。
  3. Through analyzing the two cases of protection malfunction due to incorrect connection of open - delta connection of busbar voltage transformer, the importance of correct connection of open - delta connection when earthing fault occurring in a power system was explained

    摘要通過分析兩起母線電壓互感器開口三角形接線錯誤引起的保護不正確動作，從而說明在系統發生接地故障時電壓互感器開口三角形接線正確的重要性。
  4. Through auto transformation from die bearable phase voltage to a half of the line voltage, the excellent illumination energy conservation mode can be achieved

    通過對照明燈具從承受相電壓至承受線電壓一半的自動轉換，實現最優照明節電模式。
  5. Based on classical phase voltage model, a line voltage model is derived and then the phase current model is obtained. beside, the solution for this novel mathematical model is also given

    本文基於經典的相電壓模型，導出線電壓模型，然後推出相電流模型，並給出相電流模型解的表達式。
  6. Check if the voltage on fan switch ' s output wire is 220v by a multimeter

    用萬用表檢查風機開關上輸出電源線電壓是否為220v
  7. Dvr based on the line voltage compensating ( lvc ) is proposed in the present paper, which is suitable to the medium voltage distributing network

    論文提出了適合中壓配電網使用的線電壓補償型動態電壓恢復器（ dvr ） 。
  8. Mc closed - loop control method based on dsvm is presented, in which the rms value of output line voltage is taken as feedback and pi regulator is adopted

    提出了雙空間矢量調制矩陣變換器的輸出電壓有效值閉環的控制方法，將矩陣變換器輸出線電壓有效值作為反饋值，採用pi調節器實現系統的閉環控制。
  9. The amplitude of the fundamental voltage drops across the filtering inductances ln are negligible as compared to the amplitude of the mains phase voltages, the voltages across cn therefore are assumed to be impressed and equal to the mains phase voltages

    當基本電壓從濾波電感降低到ln時，振幅與主電源相線電壓相比可以忽略不計，因此我們可以認為通過cn處的電壓被輸送並且等於主電源相線電壓。
  10. 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。
  11. When there is reactive power deficiency or bus voltage exceeding limit, reactive power dispatching and voltage correction program based on continual linear programming method are introduced to eliminate them

    當潮流計算出現母線電壓越限或者無功缺額時，採用無功電壓校正予以消除。
  12. On account of the disadvantages of the feedback reactive power compensator, a device of its simplified scheme is studied in this paper, in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer

    由於這種反饋式補償方案存在一些問題，本文分析了它的簡化形式，即通過調節降壓變壓器低壓側的母線電壓來調節濾波器的無功出力的補償方案。
  13. First the paper use the different four network operating condition as the primary given conditions and set the 330 / 220kv transformer tap changer position in the standard position, adding the paralleled capacitor bank sets one by one into the network to change the amount of the input reactive power, thus obtained four sets of the 330kv and 220kv bus voltage and the active and reactive power losses changing curves

    進而研究了在每一確定並聯補償電容器組投入量條件下，隨聯變調壓檔位變化而產生出的一組並聯補償量、母線電壓與損耗的變化曲線。進而選出了隴南電網在四種選定電網運行方式下、有功損耗最小條件下的最優綜合控制組合曲線。
  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。
  15. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。
  16. The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010. first, this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s. assumed that the bus voltage of tianshui s / s and bikou power plant to be constant, the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position. in order to set control rules

    本文基於隴南電網在規劃發展水平年2005年及2010年的四種可能的運行方式下及潮流條件，計算出了計入線路充電無功及投入成縣變低壓並聯電抗器后的潮流分佈，在設定甘肅大網側及碧口電廠側母線電壓恆定條件下，計算了330kv及220kv主變在有載調壓標準分接頭變比下的330kv及220kv母線電壓水平。
  17. Key technology of pv system is checked, especially methods of battery monitoring are explored. three monitoring methods of charging state are presented : the method based on battery on - line voltage monitoring, the method based on battery off - line voltage monitoring and the method based on formulas

    對蓄電池的監控技術的關鍵是蓄電池荷電狀態的檢測，本文探討了三種檢測方法：一是基於蓄電池在線電壓檢測蓄電池荷電狀態；二是基於蓄電池穩態開路電壓檢測蓄電池荷電狀態；三是公式法。
  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，提出了諧波磁通補償電流的兩種生成方法，補償電流分別是濾波器電流或母線電壓中各次諧波分量與調節系數的加權合成。
  19. The theoretical analysis and result of simulation indicate that the two - phase modulation reduces the switching losses 50 % relative to the quasi - optimum and the space vector modulation and overmodulation can generate higher voltages with low total harmonic distortion

    分析表明二相調制方法相對于準優化方法減少開關損耗近30 ，空間矢量的調制與過調制可以大大的提高直流母線電壓的利用率。
  20. Offline control strategy refers to work under known load condition, according to the load condition calculate the instruction voltage, then store them in the datasheet, each time read the instruction voltage from the datasheet, when input dc bus voltage changes, a pi controller is used to adjust the instruction voltage thereby fix the output voltage rms

    離線型控制是指在已知負載的情況下，計算出控制用的指令電壓，存在數據表中，每次讀取表中的數據，當輸入母線電壓變化時通過pi調節調整指令電壓來控制輸出電壓。由於計算量不大，用單片dsp就可以實現指令電壓的計算和svm演算法，主要用於負載情況已知且固定的場合。
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