disturbance voltage 中文意思是什麼

disturbance voltage 解釋
騷擾電壓
  • disturbance : n. 1. 動亂，變亂，騷亂。2. 煩悶；（心情）紛亂；（身心）失調。3. 【無線電】干擾；【氣象學】擾動；【地質學；地理學】（地殼的）局部運動。4. 【法律】侵犯（權利），妨害（治安）。
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  1. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是，由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在，供電網中的電流（電壓）發生畸變，產生大量諧波。
  2. It is composed of a cvt embedded voltage monitor and voltage quality analysis software. the monitor can detect voltage amplitude and voltage harmonics on line, and record waveform of disturbance voltage. the sampled data can be stored in computer by communication and can be reprocessed by the analysis software

    在理論分析研究的基礎上，設計了一種cvt嵌入式電壓質量監測儀，它由cvt嵌入式電壓監測儀和電壓質量監管軟體組成，可以在線檢測電壓幅值和電壓諧波，記錄電壓擾動波形，並在上位機實現數據二次處理和統計管理。
  3. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  4. Too much electricity, as when lightning or other electrical disturbance affects a power line, may cause a voltage surge, or spike

    電流過大，如閃電或其他電干擾影響輸電線時，可能造成電壓浪涌或形成電壓尖峰。
  5. The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage

    該晶元採用的控制方式為電壓型pwm （脈沖寬度調制， pulsewidthmodulation ）控制方式，以輸出電壓反饋作為主要控制參量，同時為了提高晶元對輸入電壓擾動的響應速度，採用了輸入電壓前饋方法，將輸入電壓因素引入了反饋控制環中，通過對輸入輸出電壓的檢測，控制加在功率mos管柵極電壓上矩形脈沖的占空比，進而調節輸出電壓。
  6. For the improvement of reliability and stability of the whole apparatus, meanwhile, for eliminating various electric - magnetic disturbance within the power supply and ground, measures such as filter, grounding, shielding are all taken in technique. the special methods are lc filter for power supply, bypass capacitor for suppressing voltage surge in printed circuit board, shielding layer wrapped in sensor head and overall grounded

    通過採用合理的濾波、接地、屏蔽等各種方法，尤其是採用電源lc濾波電路、電源上加旁路電容抑制線路板上的電壓波動、傳感頭加屏蔽層、傳感頭總體接地結構等多種抗干擾辦法，減小了電源和地線上的各種電磁干擾，保證了系統的穩定性和可靠性。
  7. Road vehicles. electrical disturbance by conduction and coupling. part 2 : commercial vehicles with nominal 24 v supply voltage. electrical transient conduction along supply lines and board network control lines

    道路車輛.連接和耦合產生的電干擾.第2部分:額定24伏供電電壓商用車輛.通過供電線和插件板網路控制線的電瞬變感應
  8. Road vehicles. electrical disturbance by conduction and coupling. part 3 : vehicles with nominal 12 v or 24 v supply voltage. electrical transient transmission by capacitive and inductive coupling via lines other than supply lines

    道路車輛.傳導和耦合引起的電擾.第3部分:公稱電源電壓為12 v或24 v的車輛.通過電容耦合和電感耦合經由非電源線線路的瞬間電傳輸
  9. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上，提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略，提高了變換器的抗干擾性能；對空間矢量法的開關策略進行了研究，提出了新型5狀態開關策略，在保證其他性能不受影響的條件下，減少了變換器的換流次數和開關損耗；提出了一種矩陣變換器單電壓合成的新方法，它不僅使得變換器的控制簡單，計算量減少，而且使得開關損耗達到最少。
  10. In this circuit, we use many kinds of negative feedback to modify the ou tput wave, which can decrease the distortion. and we use the high - voltage and high frequency capacitance efficiency, which can decrease the disturbance of output signal of variable frequency source for the test of part discharge

    採用了多種負反饋迴路修正輸出波形，使得輸出電壓波形的失真度很小；並且在電路中有效利用高壓高頻電容，減小了變頻電源輸出的電壓對局部放電試驗時的干擾。
  11. Influence of dc system control modes on voltage and power recovery after large disturbance in hybrid ac dc systems

    直流系統控制方式對大擾動后交直流混合系統電壓和功率恢復的影響
  12. Test standards : gb17743 - 1999 limit and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment. gb17625. 1 - 1998 the limits for the harmonic current emissions caused by low - voltage electrical and electronic equipments ( equipment input current 16a per phase )

    採用標準： gb17743 - 1999 《電氣照明和類似設備的無線電騷擾特性的限值和測量方法》 ； gb17625 . 1 - 1998 《低壓電氣及電子設備發出的諧波電流限值（設備每相輸入電流16a ） 》 。
  13. Electromagnetic compatibility - limits - guide to signalling on low - voltage electrical installations - emission levels, frequency bands and electromagnetic disturbance levels

    電磁兼容性.第3部分:極限.第8節:低壓電氣設備信號傳輸指南.輻射級頻帶和電磁干擾級別
  14. Electromagnetic compatibility - part 3 : limits - section 8 : signalling on low - voltage electrical installations - emission levels, frequency bands and electromagnetic disturbance levels

    電磁兼容性.第3部分:限值.第8節:低壓設備用符號.輻射級頻帶寬和電磁干擾級別
  15. The thesis expounds and compares comprehensively on the modes of voltage control, current control and one - cycle control. the theory, disturbance - resistant and stability of one - cycle control are analyzed in detail

    本文首先對電壓型控制、電流型控制和單周期控制技術作了比較全面的闡述和比較，詳細分析了單周期控制方式的理論、抗擾動能力和穩定性。
  16. The principal needs of realization on strategic inertial accelerometer are large measurement range ( higher than 70g ) and high stability. in this paper aimed at a most basic and typical " sandwich " structure with easy realization in techniques, the system of micromachined electrostatic servo - accelerometer is analyzed in detail on static and dynamic state, mainly including : the influence on the z - component of the center of mass, lateral accelerations disturbance and the applied bias voltage on the stability of the sensor

    戰略慣導加速度計實用化的首要條件是大量程（ 70g以上）和高穩定性，本文針對一種最基本、最為典型和工藝上較易實現的「三明治」結構，從靜態和動態兩方面對電容式微機械靜電伺服加速度計系統進行了詳細分析。
  17. The main works are organized as follows : based on the switching function method and time domain simulations, the small disturbance transfer a characteristic through the converter is analyzed. because of the modulation effect of the converter, the small disturbance in the shaft of turbine generator will induce ac voltage component with the same frequency as the disturbance on the dc side. and the resulted ac current on the dc side will have the similar frequency shift when transfers to the stator of the generator

    主要內容包括： （ 1 ）基於開關函數法和模擬分析，研究了機組轉子上次同步頻率的小擾動，在hvdc交直流兩側響應的頻率特性- - - -轉子上的小擾動經直流換流器調制后，將會在系統直流側感應出與擾動同頻率的電壓分量；直流側電流擾動反映到交流定子側，也將發生頻率偏移。
  18. The capability of power systems to bear disturbance loads is determined by the background harmonic voltage directly, so it is necessary to measure and study background harmonics in different power systems comprehensively

    由於其直接決定電網承受畸變負荷的能力，所以有必要對各種電網的背景諧波狀況作全面了解和測量。
  19. The inductive voltage of the thunder and lightning and the produced disturbance voltage when the inductive load turns on or is separated from the power network is main disturbance pulse voltage

    摘要雷電感應電壓和感性負載接入或脫離電源電路時所產生的干擾電壓是電源網主要的干擾脈沖電壓。
  20. To capture the disturbance voltage waveforms, the generating method of start signal for waveform - recording is proposed on the basis of characteristics and classification of typical voltage disturbances, and its feasibility and validity are illustrated by simulation

    根據典型電壓擾動的特徵和分類特點，提出了擾動錄波啟動信號的產生方法，通過模擬驗證了方法的可行性和正確性。
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