synchronous field 中文意思是什麼
synchronous field
解釋
同步場- synchronous : adj. 同時的，同期的；【物理學】同步的。adv. -ly
- field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
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In industrial applying, we often barge up against the condition that many tasks need synchronous executive. and according to beforhand setting statements, mcu can obtain field datas and accomplish stated control faction, so mcu have been proverbially applied to industrial systems
在工業應用中，經常用到若干任務需要同時執行的情況，而單片機可以根據預先設置的指令獲取現場數據並完成規定的控制功能，因此被廣泛應用於工業檢測系統中。 -
In this paper, we at fist analyse the distribution of magnetic field in the permanent magnet synchronous motor which rate power is 800w and calculate parameters of this motor on the basis of the traditional approach to ca1culating armature reactance, we put forward a new method which is based on the iteration of the electromotive force equation, and name it after " electromotive oprce method "
本論文運用有限元方法分析一臺800w稀土永磁同步電動機內部電磁場的分佈情況，計算出相應的電機參數。並在傳統的計算電樞反應電抗的基礎上提出了一種基於電勢平衡方程式的計算方法，本論文稱之為「電勢法」 。 -
The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究，內容包括： （ 1 ）採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 2 ）介紹了單層同心繞組的布置方式，根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁同步電動機動態模擬模型，模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。 -
Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動；將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場，使增量運動系統的容量和效率發展到一個新的水平，這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論，本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。 -
Standard practice for using field - portable fiber optics synchronous fluorescence spectrometer for quantification of field samples for aromatic and polycyclic aromatic hydrocarbons
芳烴和多環烴現場取樣合格評定用現場便攜式光纖同步熒光分光光度計標準實施規程 -
Three - phase synchronous generator with brushless exciting regulator for drilling engineer in the oil - field
用於油田鉆井工程的三相無刷勵磁同步發電機 -
Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。 -
Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate
在對損耗分析的基礎上，建立了考慮鐵損時異步電機的動態數學模型，推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法，並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。 -
According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated
本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波，進而計算出氣隙磁場波形特徵系數。 -
In this paper calculation methods of various characteristics curves considering magnetic field nonlinear effect of synchronous generators is systematically studied. the comparison between the results and those without consideration of nonlinear effect is given. the magnetic field nonlinear effect on the operating characteristics is analyzed and the possible factors causing the nonlinear phenomenon is presented
本論文系統地研究了同步發電機在考慮磁場非線性的影響下各種特性曲線的計算方法，並與不計磁場非線性時的結果進行比較，分析了磁場非線性對同步發電機運行特性的影響以及可能引起磁場非線性的因素，並研究在考慮三元變量作用下採用插值法估算同步發電機的勵磁電流和功角。 -
For multiphase permanent - magnet synchronous motor ( pmsm ) frequency conversion speed control system has high reliability, so it becomes one of research emphases in the field of electric transmission
多相永磁同步電動機變頻調速系統因為其高可靠性而成為電氣傳動領域的研究重點。 -
Eventually, study on active - clamp zvs pwm forward - flyback converter with current double synchronous rectifier is presented which is fashionable in the application field of medium and low power supply
論文最後，對目前中小功率應用領域比較流行的有源箝位倍流同步整流zvspwm正反激組合變換器進行了深入的理論及模擬研究，給出了研究結論。 -
The synchronous observations of deformation and gravity before and after impounding are analyzed comprehensively, and the possible effect on the seismogenic environment and potential seismic source is discussed and a new idea about reservoir earthquake is presented by developing a numerical model to analyse the change of tectonic stress field
綜合分析了三峽水庫蓄水前後形變、重力等同步觀測資料；論述了蓄水庫首區孕震環境與潛在震源可能的影響，並提出了一些研究設想。 -
The interconnection and interoperability of field electronic systems for combined group army x. 25 interface for synchronous communication
合成集團軍野戰電子系統互連互通.同步通信x . 25介面 -
According to the calculation results, the three - variable differential method is applied to estimate the field current and power angle of the synchronous generator
根據已有的計算結果，採用三元插值法估算同步發電機的勵磁電流和功角。 -
The application of developed software to the treatment of electromagnetic field computation results of permanent magnet synchronous motor indicates that the graph can provide designers valuable figurative reference
用本文編制的軟體，對永磁同步電動機電磁場計算結果進行的處理表明，它的圖形輸出結果能為廣大設計人員提供形象、直觀的圖形參考意見。 -
Abstract : in application of network topologic method, the thesis calculates the distribution of 3 - dimensional steady - state temperature field in the stator of axial - ventilation synchronous generator
文摘:應用網路拓撲法求解了軸向通風同步發電機定子的三維溫度分佈。 -
4. the disc - type permanent - magnet synchronous generator ’ s static electromagnetic field and transient electromagnetic field have been analyzed in detail by the maxwell 3d. the result of analysis compared with the calculative result by vb program confirmed the validity of the disc - type permanent - magnet synchronous generator which was designed in chapter 3
4 、對盤式永磁同步發電機的電磁場進行了詳細的分析，運用電磁場有限元分析軟體maxwll3d對本論文中的樣機的靜態磁場和瞬態磁場進行分析，分析結果同用vb所編的電磁設計程序的計算結果進行比較，驗證了所設計樣機數據的合理性。 -
Based on current resolving method of nonlinear finite element equations, the magnetic field distribution of typical operations are obtained. through the analysis of calculating results, this paper presents the effect of the synchronous generator operational parameters on the magnetic field non - linearity
在已有的非線性有限元方程求解方法的基礎上，利用現有的計算條件，本論文計算了若干典型工況的磁場分佈，通過對這些計算結果的分析，研究的同步發電機端部運行參數對磁場非線性的影響。
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