靜態變壓器 的英文怎麼說

中文拼音 [jìngtàibiàn]
靜態變壓器 英文
static transformer
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : 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
  • : 壓構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 靜態 : [物理學] static state; quiescent condition; steady state; statics; dead level; akinesis; akynesis...
  1. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆橋級聯而成,前級採用電型pwm前饋控制技術,后級採用三dpm電流滯環控制技術。
  2. For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance

    針對串聯型有源電網調節運用結構控制策略,調節電力電子開關模式,以獲得預期的平衡電,對串聯型有源電網調節提出了模糊積分結構控制方法,使串聯型有源電網調節既保持了常規滑模控制強魯棒性的優點,又減弱了滑模控制的抖振,提高了系統的穩精度,使系統具有良好的動性能,模擬試驗表明該控制策略是一種十分有效的控制方法。
  3. 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,使負荷中心失去電支撐,大大降低了電網的電穩定水平;同時,因為四川電網中的無功補償裝置全為無功補償電容(或電抗) ,這些設備只能在系統正常運行狀下起到無功補償和電支撐的作用,而在電網出現事故時,不但不能起到電支撐作用,反而會促使電網電崩潰事故的發生。
  4. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速特性、特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了參數、結構的pid調節模式;調速的機械液隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了頻調驅動,實現plc與步進電機驅動之間數字介面。
  5. The location device has added to the voltage regulator, changing the switch control to the continuous control, consequently the static and dynamic characteristic of the system is improved

    電動調加入定位系統,將開關量控制改為連續控制,改善了系統的動、品質。
  6. Random failures of generator, transformer, transmission line, protection system and topology of both power station and power network are constructed

    根據元件故障的概率分佈,建立安全分析中發電機、、輸電線路、保護系統的隨機故障模型。
  7. This thesis carries out studies aiming at the impact of load characteristics and on load tap changer on voltage stability

    本文針對負荷特性和有載調對電力系統穩定性的影響展開研究。
  8. At quiescent conditions, the power supply voltage appears on the plate ( minus a little loss due to the ir loss in the transformer

    條件下,高直接加載在屏級上(減去一點在初級的直流電阻上的損失) 。
  9. The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load

    試驗結果表明,該具有體積重量小、換效率高、精度高、動響應快、輸入電化范圍寬、輸出波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。
  10. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出,電路採取四橋臂新型拓撲,其控制採取了三維空間矢量調制,實現了的在線調及輸出中點的形成,具有良好的動性能,且這種控制思想可以方便地在現有數字平臺上實現。
  11. The outer - loop adopting the voltage effective value feedback regulates voltage output and reduces the steady error of output voltage. the inner - loop control is inductance current feedback, which implements the stabilization of system, and limits the inductor current

    外環採用電有效值反饋,調節輸出電,內環採用電感電流瞬時值反饋,提高系統動特性,並對採用該方案的級聯逆進行了全面分析。
  12. It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time

    晶閘管具有過零、動作快速的特點,本研究以晶閘管為電容和電抗的分組投切開關,重點研究了協調二次電的選擇、晶閘管觸發控制及保護、動補償容量及分組容量的計算確定、過零投切電容和電抗技術的實現、以及分組投切電容和電抗可能發生諧振的處理計算方法,給出實現最佳補償投切選擇方法(測控系統、儀表送系統、操作和保護系統的設計步驟) ,研製了一套高可靠性晶閘管觸發控制及保護系統,實現對無功的止可調補償。
  13. The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”

    本文設計了石英晶體電傳感,以它作為傳感元件把咬合力信號轉成電信號;利用ts5860型準電荷放大把傳感的電荷信號轉成電信號;選用usb7822數據採集卡,編寫該數據採集卡的驅動程序,採集該電信號並送到計算機里;編寫labview程序對該信號進行處理,得出咬合力值和咬合力曲線,並把測量結果以電子表格的形式保存,以便做進一步的分析和研究。通過對該測量儀的標定、動標定、溫度漂移標定以及實際測量試驗,證實了本測量儀具有較高的靈敏度、受動力和溫度化的影響比較小、能實時地顯示咬合力曲線和較準確地顯示咬合力值,滿足了咬合力測量的要求。
  14. In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed

    第五章:提出了一種新的既具有電共模負反饋又同時具有電流共模負反饋的全差分運算放大電路,能較好地穩定電路的工作點,並應用mos管工作在線性區可作有源可電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波
  15. A static - state mathematical model of three - phase voltage source converter

    三相電系統數學模型
  16. As for the dynamic performance, the linear variable differential transformer ( lvdt ) displacement sensor using signal conditioner ad598 is not so good, so the differential rectifier is designed as the measuring circuit of the sensor so as to increase its cross - over frequency. also, the static test and dynamic test is made for the sensor along with the lvdt

    由於使用線性差動信號處理晶元ad598為測量電路的差動式傳感的動性能不夠理想,本文設計製作了差動整流電路作為差動式傳感的測量電路以提高傳感的截止頻率,並對差動式傳感進行和動標定。
  17. The impact of load characteristics and on load tap changer on static voltage stability is analyzed with the methods based on v - q and v - p curves, and the phenomenon of voltage stability voltage instability and voltage collapse are studied with steady - state simulation. finally the thesis presents the essential explanations of both voltage stability and the mechanism of voltage collapse. xu yonghua ( electrical engineering ) directed by prof

    通過電?功率曲線分析法定性分析了不同負荷特性和有載調穩定性的影響,並通過模擬法從物理現象上研究了電失穩和電崩潰現象,最後針對這些現象給出了關于電穩定、以及電崩潰的本質解釋。
  18. The distributions of electromagnetic field inside the transformer are simulated using ansys. according to simulated result, the cylindrical magnetic core is used in the air - core spiral strip pulse transformer

    用ansys模擬內部的電磁場分佈,根據模擬結果,決定採用在的內部加單個圓筒形內磁芯的結構形式。
  19. In this control scheme, the voltage error is processed by pi algorithms first, and then the current of the capacitor which equal to the differential of the voltage is imported to compose a two - loop control

    該方案先對輸出電誤差進行pi調節,在此基礎上引入相當于輸出電微分的電容電流反饋信號構成雙環控制,使逆輸出電具有良好的特性和動特性。
  20. The test simulation system include simulation cabin, air inlet system, exterior ambient simulation system, indirect pneumatic pressure regulator and data acquisition system

    整個試驗內容包括力調節阻力特性試驗、車外力為負時的試驗、車內力為正時的試驗及車外化的動試驗。
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