饋電刷 的英文怎麼說
中文拼音 [kuìdiànshuā]
饋電刷
英文
feeder brush-
The model and simulation of the brushless doubly - fed machine
無刷雙饋電機的建模和模擬Modeling and simulation of brushless double - fed machine based on matlab
的無刷雙饋電機建模與模擬The paper has done all - around study on the ac excited of variable - speed constant - frequency ( vscf ) wind power generation. the author has done thorough study on the vscf wind power generation technology using wound - rotor doubly - fed induction generator, from simulation to experiment, from theory to practice. he also did at large theory analysis to the vscf wind power generation technology using cascaded brushless doubly - fed generator, and has established stability theoretical foundation for continue study work
本文對交流勵磁變速恆頻風力發電領域的關鍵技術進行了較為全面的從模擬到實驗、從理論到實踐的深入研究,同時對具有廣泛潛在應用前景的級聯式無刷雙饋發電機變速恆頻風力發電技術也進行了洋盡地理論分析,為今後進一步的深入研究奠定了一定的理論基礎。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,基於多邊形磁鏈軌跡法的思想,用作圖法求得三相電壓型逆變器的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。Abstract : a new current feedback control method of brushless dc motor ( bldcm ) is introduced in this paper, which combines the traditional overlap method with the fixed - frequency sampling current control method. it both stabilizes the work frequency of the inverter, and improves the commutative performance of bldcm. and it is verified by the result of the simulation
文摘:提出一種永磁無刷直流電機電流反饋新的控制方法,即採用常規重疊換相法與定頻采樣電流控制相結合的方法,既能穩定逆變器的工作頻率,又改善了永磁無刷直流電機的換相性能,利用模擬對提出的方法進行了驗證。The typical ifa includes a circuit ground, a radiation patch, a feed pin and a shorting mechanism
典型倒f天線包括充當地面的印刷線路板,輻射貼片,饋電探針和短路結構。Mechanical commutation ( graphite or precious metal brushes ), highest efficiency, low inductance, low electromagnetic interference, multiple combination possibilities with gears, feedback devices and control electronics
機械換向器(石墨和金屬電刷) ,高效率,小電感,電磁干擾小,能與多種齒輪箱,反饋設備和控制電子元件配合使用。Study on emulation model of the s function for double - fed electric motors
無刷雙饋電機電動狀態下的能量分析First in this paper, the characteristics and control methods of bldcm is discussed. on the basis of the run state and control method of the bldcm, combining the electric power and electronic technology, micro electric technology, special integrated chips and the theory of motor control theory, setting up the model of electric power inverter system by using the simulating software - matlab, the control schemes are given when the motor is working in the state of electromotion and electrical regeneration
首先本文介紹了永磁無刷直流電動機的特點及其控制方法,結合電力電子技術、微電子技術、專用集成晶元、電動機以及控制等理論,在重點研究了電動汽車用永磁無刷直流電動機的運行狀態和控制方式的基礎上,利用matlab模擬軟體建立了電力電子逆變系統的模擬模型,給出了電機處于電動狀態和能量回饋狀態時的控制策略。Presents a simple method of compensating friction against the character of the nonlinear model of a brushless dc motor system which transfers the original system model to a simple linear model using the method of input - output linearization, and estimates the coulomb friction in the system in real - time using a nonlinear friction estimator, and then compensate the friction in the system using a friction feedforward, and concludes from simulation results that this method can effectively eliminate the influence of friction in brushless dc motor systems
針對無刷直流電動機系統的非線性數學模型特點,提出了一種簡單的摩擦補償方法.該方法首先利用輸入輸出線性化方法將原系統模型轉化為一種簡單的線性模型,然後給出一種非線性摩擦估計器實時估計系統中的庫侖摩擦值,最後利用摩擦前饋補償方法對其進行補償.模擬結果表明該方法可以有效地抑制無刷直流電動機系統中的摩擦影響In this article the up to date new type generator applied in wind electric power generation is introduced all - round and we also analyzed its operational principle when leading a variable velocity constant frequency operation
本文全面介紹了一種最新應用於風力發電中的新型電機?無刷雙饋電機,並分析了這種新型電機作變速恆頻運行的原理。University of posts and telecommunications, chongqing, 400065, china abstract : based on the principles of electrical machine design and brushless doubly - fed machines ( bdfm ), the power relations and electromagnetic loads for bdfm are analyzed and discussed in this paper, then the computational capacity and electromagnetic loads are achieved. this is usefull for the determination of the basic sizes of bdfm
從傳統電機的設計原則和無刷雙饋電動機的基本原理出發,對無刷雙饋電動機的功率關系及電磁負荷作了詳細的分析和討論,導出了該電動機計算功率、電磁負荷的選取要點,從而確立了無刷雙饋電動機主要尺寸確定的主要依據。Analysis of steady - state characteristic and excitation capacity for doubly fed ac excitation variable - speed induction motor
無刷雙饋電機穩態特性的解析分析In the first stage, due to the research in years on the magnetic field modulation type doubly fed brushless machine, two doubly fed generators was requested to fabricate
首先,利用我們研究所在磁場調制式無刷雙饋電機的多年研究成果,研製並測試兩臺無刷雙饋發電機。Brushless doubly - fed machine wind - power generation control system and its simulation
無刷雙饋電機風力發電控制系統與模擬研究Lastly, we have solved the problem of being not able to control coupling of active power and reactive power of bdfm independently by using the vector control and at the same time we provided a control equation with concise form and project easy to achieve
最後,利用矢量控制解決了無刷雙饋電機有功功率和無功功率相互耦合不能獨立控制的難題,並給出了形式簡潔的控制方程和易於實現的控制方案。Secondly, the theory of reference frame transformations is applied to transform the dynamic mathematical model to a d - q - 0 rotating reference frame system, and the dynamic performance of the bdfm is simulated by the computer
其次,應用坐標變換原理將籠型轉子無刷雙饋電機的動態數學模型轉換成d ? q ? 0坐標下的數學模型,並對這種電機進行了動態特性模擬研究。The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis
此外,本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型,穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略,通過模擬分析驗證了模型和策略的正確性。The cascade brushless doubly - fed machine was the prototype of the brushless doubly - fed machine, the study of the principle for the former was fundamental to the research of the latter
作為無刷雙饋電機的原型,級聯式無刷雙饋電機對無刷雙饋電機的研究具有基礎性的指導意義。The principle for the cascade brushless doubly - fed machine was introduced, it was pointed at last that the brushless doubly - fed machine and the cascade one were two entirely different machines
從交流電機的基本理論出發,詳細闡述了級聯式無刷雙饋電機的基本原理,指出級聯式無刷雙饋電機與雙饋電機是兩種截然不同的電機。分享友人