stator field 中文意思是什麼
stator field
解釋
定子磁場-
Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次，為全面了解這種新型電磁電機的電磁特性和動力特性，本文從電機磁場的基本方程及其邊界條件出發，應用無旋磁場的標量磁位概念，建立了端面搖擺式電磁微電機內部磁場的數學模型，並以此為基礎，詳細分析了電機氣隙磁場的各方面性質，對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。 -
In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。 -
Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。 -
The surface semi - conducting layer is widely used to control the electric field and suppress the surface corona discharge in both hv power cable termination and the end turns of hv generator stator winding
摘要表面半導電層結構可以均勻電場和抑製表面電暈放電，因此被廣泛應用於高壓電力電纜接頭和高壓發電機定子線圈端部絕緣中。 -
Powerformer is a new high voltage generator ， which use xlpe cable as stator winding instead of rectangular conductor bars ， thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact
Powerformer是一種新型的高壓發電機，它採用電纜代替矩形導體作為定子繞組，從而克服了矩形導體電場分佈不均勻，特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的輸出電壓等級不能高於36kv的缺點，使其能夠直接和輸配電網相聯，這樣就不需要升壓變壓器，同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。 -
This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision
這其中的交流步進控制理論打破了傳統的增量運動控制思想，打破了連續與離散，速度與位置，旋轉和步進的嚴格界限，以定、轉子磁場空間矢量為主要控制目標，將增量控制與運動控制有機的結合起來，使增量控制向大容量、高效率、高精度方向發展。 -
Against a prototype which is being produced ， its three dimension end region entity model of stator is established ， and with the aim of simplifying calculation ， the theory of how to simplify entity model is studied ， then the theory is made use of ， and the end region entity model of stator is simplifi - ed ； meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied ， then meshing method of three dimension end region entity model of powerformer stator is studied as well ， and the simplified entity model is meshed with this meshed model ， the distribution of end region magnetic field of stator is analyzed ， and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced ， in this paper ， stator core ， gap and eddy equipment are not taken into consideration ， and this has a little influence on the result ， but through analysis ， the result is proved to be good through the example calculation ， it is known that the method of this paper is useful and through theoretic analysis ， it is proved that end region
針對一臺生產中的樣機，對其建立了定子端部三維實體模型，而且為了達到簡化計算的目的，研究了如何將其簡化的理論，並應用這些理論對樣機定子端部實體模型進行了簡化；研究了三維實體模型的剖分特點和定子端部實體模型存在的缺點，在此基礎之上，研究了對簡化的powerformer定子端部三維實體模型的剖分方法，並且對簡化的實體模型進行了剖分。應用剖分的三維實體模型，用有限元法分析了powerformer定子端部的磁場分佈，計算了端部區域的磁場儲能，並利用磁場儲能計算了powerformer定子端部漏抗，將計算值與設計值進行了比較、分析。由於樣機處在設計生產階段，本文暫時沒有考慮定子鐵心、氣隙和渦流器件對端部磁場的影響，這對分析結果有一定的影響，但是仍然得到較好結果。 -
In this paper ， the design characteristics and development situatution of powerformer are introduced ； the structure of prototype is studied ， and three dimension end region entity model of powerformer stator is established ； the theory of analyzing end region eddy magnetic field of stator by finite element method is studied ； end region magnetic field of stator is analyzed and the numerical value of end region leakage reactance of stator is calculated
本文介紹了powerformer的設計特點和發展現狀；研究了其樣機本體結構，並建立了定子端部三維實體模型；研究了用有限元法分析定子端部渦流磁場的理論基礎；用有限元法分析了定子端部磁場並計算出了定子端部漏抗值。 -
Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。 -
Space vector control according as ac induction motor two - axis theory speed separates the stator current into two components. one is the torque component ; the other is the flux component. a structure similar a dc machine structure where torque and field can be controlled independently is given
矢量變換控制是以交流電動機的雙軸理論為依據，在同步旋轉坐標系中把定子電流矢量分解為兩個分量：一個分量與轉子磁鏈矢量重合，稱為勵磁電流分量；另一個分量與轉子磁鏈矢量垂直，稱為轉矩電流分量。 -
The basic working principles and characteristics of srm will be described firstly in this paper, as well as its developing survey and researching directions. and then the srd system will be separated into several function parts to be introduced respectively in details : ( 1 ) to analyze the basic characteristics of the srm including electromagnetism, current and torque of every angle field of the rotor based on the subsection - linearized inductance characteristics of stator windings and several idealized supposes. ( 2 ) how to design and realize the h - bridge converter, and the method to use it ; ( 3 ) how to design and realize the controller based on dsp ( tms320f240 ) and the control strategies, as well as the program ; ( 4 ) to introduce the monitor program running in a pc, which is programmed by delphi
本文首先介紹了srm的基本工作原理和特點以及srd系統發展概況和研究方向，然後以srd的功能構成為線索分部分進行介紹： （ 1 ） srm的特性及控制策略分析，在電感分段線性化等簡化條件下分析得出了各個轉子位置角度區間的電磁、電流和轉矩特性並分析了控制策略； （ 2 ）分析設計了h橋式功率變換器的設計和工程實現的方法，並設計了基於這種功率變換器的換相邏輯； （ 3 ）分析設計了以dsp為核心的控制器以及控制方法，並介紹了該控制器的軟硬體實現； （ 4 ）介紹了如何用delphi編制實現上位機監控程序。 -
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。 -
It proves that the capability of wind generator is determined to slip, rotor voltage and angle between rotor voltage and stator voltage, and investigates the control model based on the stator field - oriented vector control
文中還分析了雙饋型風力發電機的轉矩特性和穩態特性，證明了發電機的性能由轉差率、轉子電壓和定轉子電壓間的相位角差決定的。 -
This paper adopted the sensorless control scheme based on stator field oriented control and adaptive low - pass filter theory. and carried out simulation, program, and experiment works
本文在查閱了大量文獻資料后，採用了基於定子磁場定向控制和自適應低通濾波器的無速度傳感器演算法，並進行了大量的模擬、編程和實驗工作。 -
Pmsm step motion control for the electric actuator is a new mechatronics device based on new control theory and technology, based on ac step motion control theory, that selects the stator field position as the primary control objects and sets the ac step motion control model based on digital control to attain optimal time control through position feedback
永磁同步電動機步進控制的電動執行器是基於新的控制思想和控制技術的機電一體化新型裝置，基於交流步進控制理論，將交流電動機的磁場位置選為主要的控制目標，建立基於數字控制的交流步進控制模型，使執行器終端設備在給定位置目標下，通過位置反饋達到最優時間控制。 -
In this scheme, the torque of motor is calculated and controlled in the staler reference frame. by using stator field orientation, the optimum switching mode is achieved to control the inverter
它直接在定子坐標系下計算和控制交流電動機的轉矩，採用定子磁場定向控制，直接對逆變器的開關狀態進行最佳控制。 -
The dynamic performance of vscf double - fed wind power system is discussed. it is shown that vscf double - fed wind power system with stator field - oriented vector control has good performance
並且採用定子磁場定向的矢量控制方法實現對風力發電機的控制，分析了雙饋型變速恆頻風力發電系統的動態特性。 -
Furthermore, under the vector control strategy of stator field - orient, a vector control model will derive from the generator, which form a close control system with the generator model
本文利用定子磁鏈定向的矢量控制方法，將同步坐標系下的雙饋電機數學模型簡化后得到矢量控制系統的模型；矢量控制模型與雙饋電機模型一起構成閉環控制系統。 -
This thesis shown that vscf ac exited wind power system with stator field - oriented vector control has a series of good performance and all the control schemes which had been introduced in this paper has its feasibility
本文研究結果表明，採用定子磁場定向矢量控制的交流勵磁風力發電機系統具有許多優越的性能，且本文採用的控制技術和進行的控制相關分析都是可行的。 -
Also this paper investigates the control model based on the stator field - oriented vector control. this paper discussed the newly excitation system - matrix converter and compares the const speed const frequency asynchronous wind generators and vscf generator system
本文在模擬風速和風機特性的同時，構造整個系統模型並對變速恆頻和恆速恆頻技術的優缺點進行了模擬分析比較。
分享友人