穩態電抗 的英文怎麼說
中文拼音 [wěntàidiànkàng]
穩態電抗
英文
steady state reactance- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 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...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
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Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。At the same time the principles of triggering pulse to the three - phase thyristors is discussed, and a way using monostable multivibrator to produce the pulses has been given below. the hardware control system based on tms320f240 is designed, which includes sampling circuit, protective circuit, phase - compensated circuit and so on
對三相晶閘管控制電抗器的觸發脈沖產生原理進行了分析,採用單穩態觸發器實現六相觸發同步;設計了以tms320f240為控制核心的硬體控制平臺,包括采樣電路、保護電路、六相觸發同步等外圍電路。For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。Cosmic ray test was carried out to choose and optimize working parameters of full - length prototype and its data acquisition system, verify the electronics system about dynamic range, drift time measurement search window, charge measurement integral width, work stability and electronics grounding and noise. in experiment, acquired abundant experience with the solution of actual problem and verified their reliability of physical design. this lays the foundations for the successful construction of the besiii drift chamber and electrical system
測試過程中我們調整了電子學的動態范圍、漂移時間和電荷測量參數驗證了電子學系統工作的穩定性、抗干擾能力及噪聲水平等並成功解決了實驗過程中遇到了問題。通過長時間的取數進一步檢驗了全長模型和電子學系統工作穩定性,驗證了全長模型及其數據獲取系統物理設計的可靠性,為漂移室和電子學系統的成功研製奠定了基礎。With the development of the electric power system, static - state reactive power compensators ca n ' t have met the requirements of the actual production and operation, and the trend to the fast and dynamic compensation for reactive power become greater and greater. since ertan hydroplant and 500kv transmission systems in sichuan power system have been operated, many power plants of load center are forced to halt during the high - water period, because the great deal of power is transmitted to far - distance load center. thus the load center loses voltage sustentation and the level of the system stabilization is debased greatly
四川電網的二灘水電站和500kv輸變電系統投入運行后,由於二灘水電站的大量電力遠距離輸送至負荷中心,迫使負荷中心的火電機組在豐水期大量停機,使負荷中心失去電壓支撐,大大降低了電網的電壓穩定水平;同時,因為四川電網中的無功補償裝置全為靜態無功補償電容器(或電抗器) ,這些設備只能在系統正常運行狀態下起到無功補償和電壓支撐的作用,而在電網出現事故時,不但不能起到電壓支撐作用,反而會促使電網電壓崩潰事故的發生。The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other
可能的影響因素有:沿軋件縱橫向溫度變化、由溫度引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、電機調節系統由不穩定向穩定過渡過程中軋輥轉速的變化(如咬鋼過程中的動態速降后的回復階段) 、來料尺寸波動造成秒流量不匹配等,整個模擬系統是各個因素相互影響關聯的一個閉環系統。Complete h bridge driving circuit is achieved to drive motors in the hardware design of robot ' s driving and control system. it adopts pwm digital signal as its control signal. this kind of circuit has some advantages, such as economical, room saving, good resistance against noise
在機器人驅動控制系統的硬體設計部分,實現了pwm全數字控制的全h橋式多電機驅動電路,它不但具有經濟、節約空間、抗噪能力強的優點,而且有效地消除了電機靜態摩擦死區,低速平穩性好。6. since the reactor has the structure of multi - layer in parallel, the axial electric stress of coil is zero. under steady operation voltage, the voltage is distributed evenly along axial direction of coil
6 .由於電抗器採用多層並聯結構,線圈的軸向電應力為零,在穩態工作電壓下,沿線圈軸向高度方向的電壓分佈均勻。The paper analyzed the basic theory and mathematic model of three phase voltage pwm inverter and proposed one kind of control strategy based on the voltage - current double - loop. it used the exterior loop to control the voltage the eps outputted, and used the inner loop to control the current. simulation testified that the control method could improve the dynamic response character and interference rejection ability
在建立三相電壓型pwm逆變器在兩相同步旋轉坐標系下的數學模型的基礎上,提出了一種三相電壓型pwm逆變器基於電壓電流雙閉環的控制方法,利用電壓外環實現對輸出電壓的穩定控制,電流內環實現對輸出電流的控制,模擬證明該方法有效地改善了系統的動態響應及抗干擾能力。Base on the double membrane theory, the model of the transport of nh3 - n in membrane is established, and the parameters of the model
利用im6電化學工作站建立了用來研究支撐液膜穩定性的液膜動態阻抗實時監測法。The transient simulation model of impedance - matched balancing transformers is established. the effect of transient model and equivalent circuit in calculation of steady short circuit current are compared
摘要建立了阻抗匹配平衡變壓器的暫態模擬模型,比較了暫態模型和等值電路在計算穩態短路電流中的效果。Comparison analysis between voltage changes in v -, p - space and common curves, the criterion of impedance modul is made. and it is a good supplement to the space analysis method. they are the three spaces of the ternary analysis method
將電壓運行狀態在v -和p -空間上的變化同電壓穩定常用的p - v曲線和阻抗模判據進行了比較分析,是對p - v空間分析方法的有益補充,共同組成三元分析方法的三個分析空間。The light well point drainage method in combination with other measures was successfully used in the treatment of the deformable earth body on the southern side of the outlet channel of the right - bank diversion tunnel at the goupitan hydropower station to make the earth body stable, ensuring the smooth construction of the right guide wall and the foundation pit of the outlet channel
在構皮灘水電站右岸導流隧洞出口明渠南側土質變形體抗滑治理中採用輕型井點降水法並輔以其配套措施取得成功,使其處于穩定狀態,確保了該出口明渠右導墻與明渠基坑的順利施工。By selecting the voltage space vector of the voltage across the equivalent converter impedance as the control variables, the steady - state model of hvdc - vsc is developed. on this basis, a steady - state feedback linearization strategy is proposed, then, linear and decoupled control is realized using pi controllers and feedforward compensation
建立了以vsc等效換流阻抗上的基波壓降所對應的電壓空間矢量為控制量時hvdc - vsc的穩態模型,並根據所建立的穩態模型,提出了基於穩態模型的hvdc - vsc反饋線性化控制策略。The steady compensation characteristic and the damping resonance characteristic of the equipment are analyzed in detail, theoretic analyze and experiment results have verified the feasibility and the correctness of the proposed topology
模擬和實驗結果表明該裝置具有良好的穩態補償特性,並且可以較好的抑制無源濾波器與電網阻抗之間的串並聯諧振。Optimized control of dynamic and static characteristics, strong adaptability for electricity network, fast dynamic response, stable welding current, little spatter, good welding surface
優化動靜特性控制,抗網電波動能力強,動態特性優良,焊接過程穩定,飛濺少,成形好4. simulation and comparisons of the dynamic voltage stability of constant impedance load, constant current load and constant power load in the context of large disturbances, and analyses of the simulation results with their load characteristics
4 .對大擾動下恆阻抗,恆電流,恆功率負荷的動態電壓穩定性進行了模擬比較,並運用其負荷特性對模擬結果進行了分析。The auhor develops the user - defined dynamic phasor models of all the above devices with the user - defined function of power system analysis software package ( psasp ) of epri, china, including traditional power components such as generator, transmission line, transformef, fixed series capacitor ( fsc ), grounding reactor, etc., and new type power devices including thyristors like tcsc, hvdc, svc and smcom, thus realizes time - domain simulation for sso large signal stability analysis and realizes sso small signal stability analysis further through the linearization platform of psasp
作者利用電力系統分析綜合程序( psasp )的自定義建模功能,建立了電力系統基本元件(如發電機、輸電線、電容器、接地電抗器等)及含晶閘管等電力電子元件的新型電力系統裝置( tcsc 、 svc 、 hvdc及statcom )的動態相量自定義模型,從而通過psasp實現了sso問題的大幹擾穩定的時域模擬計算,並進而通過該程序的小干擾線性化平臺實現了sso問題的小干擾穩定分析。Diode - pumped q - switch solid - state lasers have many advantage such as high efficiency, compactness, high stability, and long lifetime. high peak power, high repetition rate short - pulse can be obtained by high power diode pumped, which is used comprehensively in the field such as measuring, remote sensing, photoelectric resisting, medical et
激光二極體( laserdiode ,簡稱ld )泵浦的調q固態激光器具有結構緊湊、穩定性好、壽命長等優點,用大功率ld作為泵浦源,可以獲得高重復頻率、大峰值功率的窄脈沖激光,這在激光測量、光電對抗、激光遙感、激光醫療等領域有著非常廣闊的應用前景。分享友人