power disturbance 中文意思是什麼

power disturbance 解釋
功率干擾
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • 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）。
  1. Research on disturbance of the monopoly - competition power grade on cournot duopoly equilibrium quantity

    市場壟斷競爭力等級對古諾產量均衡的擾動
  2. 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。
  3. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別，在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行比較分析的基礎上，根據電能質量信號故障分析的特點，提出了採用規則基專家系統的方法，該模式識別方法具有便於擴展、修改和識別率高等特點。
  4. This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) ， computed the balance point ， tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) ， analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop

    在模擬模型上，完成了穩態計算、系統階躍擾動試驗、甩負荷試驗（未加調節系統）等測試，主要監控和分析了汽輪機動態特性中兩個重要參數：汽輪機第一飛升轉速、飛升時間。
  5. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。
  6. The product is suitable to be used to transmit auto - controlled signal for chemical industry, power industry, gasengineering, petro - chemical industry and mines where explosive risks or the places requiring higher explosion - proof safety exist. it has excellent shielding and anti - disturbance performances

    本產品適用於化工、電力、煤氣工程、石化、礦山等存在爆炸危險的場合及其它防爆安全要求較高的場合，傳輸自動控制信號電纜具有優良的屏蔽性和抗干擾性能。
  7. By using a special filter to obtain the vibration of the disturbance, ( pe ), the governor additional controller will have nothing to do with the setting output of generator active power

    通過提取p _ e的交變分量，使調速系統附加控制器與發電機輸出功率的額定值無關，即不影響發電機的正常運行。
  8. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作，總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施，並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  9. 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。
  10. The author considers the swaying disturbance ' s power for the first time when the draught of a ship is not equal to the height of gravitational center of the ship in analyzing exciting force affecting the performance of tank

    在對影響水艙性能的擾動力的分析中，首次考慮了船舶吃水和重心高度不相等時，橫蕩干擾力所作的功。
  11. Automatic disturbance rejection control for power plant ball mill

    火電站球磨機制粉系統的自抗擾控制
  12. Electrical relays - electrical disturbance tests for measuring relays and protection equipment - power frequency immunity tests

    電氣繼電器.測量繼電器和保護設備的電干擾試驗.工頻抗擾試驗
  13. 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。
  14. It first classifies power quality disturbancesinto stable one and transient one by wavelet ’ s multi - resolution analysis, and thencompresses the stable and transient disturbance signals by fourier transform andorthogonal wavelet packet transform, respectively

    在此基礎上，提出一種針對復雜電氣信號的基於傅立葉變換和小波包變換的綜合電能質量擾動信號數據壓縮新方法。
  15. Electrical relays - part 22 - 7 : electrical disturbance tests for measuring relays and protection equipment - power frequency immunity tests

    繼電器.第22 - 7部分:測量繼電器和保護裝置的電氣干擾試驗.電源頻率抗擾試驗
  16. Electrical relays - part 22 - 7 : electrical disturbance tests for measuring relays and protection equipment ; power frequency immunity tests

    電氣繼電器.第22 - 7部分:量度繼電器和保護裝置的電氣干擾試驗.電源頻率抗擾試驗
  17. 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。
  18. In this paper, a hybrid unified power quality conditioner ( hupqc ), the power electronic conditioner is combined with a group of passive power compensation, is presented to solve the problem. the structure of hupqc consists of a power disturbance monitoring and analyzing subsystem, a power quality conditioner and their control system, etc. all of parts of hupqc are designed under a unified plan

    為了解決這一問題，作者在研究電能擾動的調節中，首先提出了無源粗調電力電子器件細調、改善電能質量與改善功率因數相結合的混合式電能質量綜合調節器hupqc （ hybridunifiedpowerqualityconditioner ）設計方案。
  19. The double dsp devices are used to sample data and process the signals in the power disturbance monitoring and analyzing part. the power quality conditioner integrates active power compensation with passive power compensation, and improving power quality with improving power factor. the conditioner circuit consists of tri - level pwm converters, in which there are two active power filters ( apf ) that is a shunt apf and a series apf

    電能質量監測分析系統採用雙dsp實現系統的采樣、信號處理，完成電能質量全程監測與分析；電能質量調節系統則採用有源與無源、改善電能質量與改善功率因數相結合的策略，有源部分以三電平pwm為主電路，由並聯和串聯apf （ activepowerfilter ）相結合、共用直流電源，構成其主體框架，並以無源調節配合有源調節來降低系統的綜合造價，力圖將電能質量調節技術在10kv配電系統中得到實用與推廣。
  20. Based on wavelet theory, adaptive deadbeat vector control theory and digital signal processing technique, and above - studied on the property of power quality issues, power disturbance classification and power quality conditioner are studied. some experiments and simulations support the researches. all the works contribute to realize the unified power quality conditioning in lokv distribution systems

    本文在深入研究電能質量問題本質的基礎上，基於小波理論、自適應控制理論，採用數字信號處理技術，比較深入地進行了配電網路電能擾動辨識和電能質量綜合調節系統的理論研究，通過實驗樣機和計算機模擬完成了與之相關的實驗研究，為在10kv配電網路系統中實現電能質量綜合調節做了一些有意義的工作。
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