定轉子繞組 的英文怎麼說
中文拼音 [dìngzhuǎnziràozǔ]
定轉子繞組
英文
armature/field wind patterns-
The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor.
同步遲滯電動機由一個多相纏繞的定子和一個硬磁轉子所組成。Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio
根據該結論構建了發電機故障診斷的神經網路,並直接獲得發電機在額定運行工況下對應的故障樣本,用於故障診斷,不僅對轉子繞組匝間短路故障的存在性,還對故障的嚴重性做出了正確的判斷。The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating
本文闡述了定子雙繞組發電機的基本工作原理,基於matlab軟體建立了定子雙繞組感應電機發電系統的模型,並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等,從而摸清了該系統的特性,尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性,從而為該系統的工程實現奠定了重要的理論基礎。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。Fault diagnosis for induction motors based on injecting a dc signal
基於定子繞組等效灌注直流的電機轉子故障診斷The new instrument add a sensor that can gather the signal of the stator inductive current. and by analyzing the signal of the stator inductive current, judge the moving state of the electromotor. this instrument is mainly diagnosis the follow fault : the fragment of the bar in the rotor fault, the fault of eccentricity of the interspace between the rotor and the state of the electromotor.,
本儀器是在回轉機械故障診斷與監測系統的基礎上開發的,同時,根據電機這種特殊設備的實際情況,增加了電機電氣信號的檢測,即通過對電機定子三項繞組電流信號的變化分析,來找出電機的電氣故障,主要是轉子斷條,氣隙偏心故障以及定子等故障。In chapter 2, the mathematical model of two - phase hybrid stepper motor as a generator is established. then according to the model, the functional relationship is obtained between the terminal voltage of stator winding and continuous rotor position
第二章,建立了二相混合式步進電機的發電模型,並進一步簡化得到定子繞組端電壓與轉子轉角之間的函數關系式,為步進電機實現連續角位移測量的研究奠定理論基礎。The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply
交流勵磁發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵磁繞組,由變頻器提供對稱交流電勵磁,且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速,使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題,分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法,提出了採用電機磁場能量微動法計算相繞組的參數,並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。As a new kind of motor, switched reluctance motor ( srm ) has a doubly salient structure, and its windings are only mounted on the stators. these characteristics bring srm lots of virtues : solid structure, high reliability and efficiency, good fault - tolerance, low cost etc. switched reluctance driver ( srd ) combined srm with modern power electronic technology and control technology
開關磁阻電機( srm )作為調速電動機的新品種,採用定、轉子雙凸極鐵心結構,並且只在定子上裝有集中繞組,轉子上無繞組或永磁體,具有結構簡單堅固、運行可靠、效率高、功率變換簡單、容錯性好和成本低等優點。This system is designed to measure motor ’ s three important parameters including stator coil inductance, stalling torque and back emf. all of these test results are used as basis for product detect
設計這套測試系統用來檢測電機定子繞組電感、堵轉扭矩及反電動勢等三個重要電機參數,把其結果作為檢驗產品質量的依據。In this thesis, the basic operation theory of salient - pole synchronous motors is discussed ( based on the analysis of the electromagnetic relationship among stator winding 、 rotor winding and damper winding, the transitional process of salient - pole synchronous motors ( asynchronous starting, the thesis provids a novel control method and connection of exciting winding during salient - pole synchronous motors ( asynchronous starting
本文論述了凸極同步電動機的基本運行原理,在分析了凸極同步電動機定、轉子繞組及阻尼繞組的電磁關系的基礎上,研究了凸極同步電動機異步起動的過渡過程,提出了一種新型的凸極同步電動機異步起動過程中勵磁繞組控制方法和線路。The inverter drive signals are synchronized with the position sensor output signals so that synchronism between the stator winding currents and the rotor flux is ensured for any speed
逆變器的驅動信號與轉子位置信號同步從而保證在任意的速度下定子繞組電流與轉子磁場同步。Based on the investigation of analysis methods for the overvoltage striking on rotating electric machines and its research status at home and abroad, the safety forecast theory and the analysis method for the switching overvoltage of large power stations are firstly presented based on the field - circuit analysis, and the transient field distribution and the insulation condition in the stator winding insulator stricken by the switching overvoltage in large power stations are studied and analyzed on line
本文在分析和總結國內外關于旋轉電機過電壓分析方法及其研究現狀的基礎上,首次提出了基於場路結合的廠站操作過電壓安全預測理論和分析方法。本文研究了大型電站中的操作過電壓沖擊波在發電機定子繞組絕緣介質中暫態電場的實時分佈狀態,在線分析發電機的絕緣工作狀況,搜索發電機內部可能突發絕緣事故的區域,預測發電機內部可能發生絕緣事故的故障點,並重點研究了大型發電機絕緣安全在線預測分析方法和建立了大型發電機絕緣安全評估模型。Secondly, a series of novel detection schemes are presented creatively. furthermore, this paper proposes the joint detection scheme for rotor bar breaking and stator winding inter - turn short circuit fault in squirrel cage asynchronous motors, for the first time. meanwhile, a parameter identification technique based approach to detect stator / rotor over - heating fault is also presented
在此基礎上,提出了異步電動機轉子斷條與定子繞組匝間短路故障檢測新方法;首次提出了籠型異步電動機轉子斷條與定子繞組匝間短路故障聯合檢測方法;基於參數辨識技術,提出了異步電動機定轉子繞組過熱故障檢測新方法。In hybrid stepper motor, the back emf of stator winding is function of rotor position, continuous rotor position is obtained from the function
就混合式步進電機而言,定子繞組的反電勢是轉子位置的函數,從而可以解算出連續的轉子位置信息。Firstly, a method to estimate the rotor speed, which is based on bp neural network, is introduced in this paper. secondly, the park vector approach is used to monitor and diagnose the inter - turn fault of the stator winding. finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the hilbert transform and digital filter
具體工作如下:採用bp神經網路對異步電動機轉子轉速進行無速度傳感器估計;對定子繞組匝間短路故障,採用派克矢量方法進行監測與診斷;對于轉子斷條故障,詳細介紹了一種新的基於希爾伯特變換與數字濾波的在線監測方法。Firstly, the fault features of rotor bar breaking and stator winding inter - turn short circuit are analyzed in this paper, deeply and thoroughly
本文對異步電動機轉子斷條與定子繞組匝間短路故障特徵進行了機理、模擬與實驗分析。The distinguished contributions of this paper are listed in details as the following. 1. the multi - loop mathematical models under the conditions that the squirrel cage asynchronous motor is healthy, faulty with broken rotor bars or with stator winding inter - turn shorts are deduced thoroughly, and improved necessarily
本文的主要研究成果如下: 1 .詳細推導了yn接、 y接、 d接籠型異步電動機在正常、轉子斷條及定子繞組匝間短路故障情況下的多迴路數學模型。At different position and current, the normal force is calculated. this will be used to determine the force harmonics and hence to calculate the vibration resulting from the normal forces. the caculation results are very helpful to the reseach of noise and vibration of doubly salient motors
本文利用vfem對雙凸極電機二維電磁性能進行分析,並對不同轉子位置、不同繞組電流情況下的定轉子徑向磁吸力進行了詳細計算,從而可以進一步研究徑向力所引起的振動響應,這對于雙凸極電機噪聲和振動的研究有非常重要的實際意義。分享友人