暫態特性 的英文怎麼說

中文拼音 [zhàntàixìng]
暫態特性 英文
transient behavior
  • : Ⅰ形容詞(時間短) short; momentary Ⅱ副詞(暫時) temporarily; for the moment; for the time being
  • : 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
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Transient process characteristic curve

    暫態特性曲線
  2. Firstly, it analyses economic character, competition situation, future and attraction of mobile communication industry in huazhou at present. secondly, it analyses the importance of resource, competition ability and customer orientation with swot method and value chain method. thirdly, with continuous competitive advantage theory and creative destruction theory, it illustrates that defense cannot protect the original competitive advantage in the severity competition situation, and that the only source for continuous competitive advantage is continuous creation and method of pursuing a scries of temporary dynamic advantage

    首先,分析了當時華州移動通信行業的經濟、競爭勢、前景及吸引力;接著,運用swot 、價值鏈等分析法分析了aaa的資源、競爭能力及客戶導向的重要;然後,運用持續競爭優勢和創造破壞理論,闡明在激烈競爭的新形勢下,防禦已不能保護原有的競爭優勢,只有通過不斷地創新,追求獲得一系列時的動優勢的方法,才是構築持續競爭優勢的源泉,從而形成aaa的戰略選擇;最後,運用漏洞分析法和核心競爭力分析等,結合動戰略管理的理念,導出aaa的戰略實施方案,提出了戰略計劃。
  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別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、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,結合線二次型最優控制理論設計出大型汽輪發電機的非線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穩定,並且在電力系統遭受小干擾時同樣具有良好的調節能。
  4. Through the clustering analysis with the data of isozyme analysis, morphology analysis and climate analysis, 15 local populations were divided into 5 ecotypes. ecotype i included shanxi - fengxian, shanxi - shiquan, hubei - yunxi, hubei - wudang, hubei - yichang, hunan - anhua, hunan - shimen. gansu - liangdang population was belong to ecotype ii

    由於存在環境異質,使得盾葉薯蕷各居群在長期的生適應過程中,發生了生理以及形等生物學的變異,這些變異有的是的,有的則在遺傳上被固定下來。
  5. Analysis of transient characteristics of signals phase earth fault in non - solidly earthed network

    點非直接接地電網單相接地故障徵分析
  6. The former combines enumeration and sample technique and is easy to implement, but only definite failure modes are simulated, which may be inaccuracy with bulk power system in which high order failures and protection failures are the main cause to instability

    基於蒙卡羅抽樣的概率穩定模擬演算法可以考慮電力系統的高重隨機故障,並考慮故障間的相關。模擬法可以模擬多重、連鎖故障對系統穩定能的影響。
  7. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障,本文在詳細分析了單相高阻接地故障的穩暫態特性的基礎上,從小波分析原理出發,利用小波變換檢測突變信號的原理,以零序電流、模電流等為研究對象,結合方向高頻保護的原理,設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  8. Simulative analysis and experimental test of the transmission characteristics of transient traveling - wave in transformer

    互感器行波傳輸模擬分析與實驗測試
  9. The simulation results show that the model present dynamic performance tallying with that of actual systems under any operation conditions

    在不同環境條件下,模擬結果證明控制模型都能很好的反映真實系統的暫態特性
  10. S - c chen, t - liang huang and wen - shiow kao, ’ the power system stabilizers design using optimal path estimati on method, ’, ieee catalogue no : 98ex137

    鄭超元,高文秀, 『電力系統之成應馬達其穩暫態特性分析, 』 ,電機技師58其, 1997
  11. This scheme can achieve the satisfactory static and dynamic response, and can be used in occasion of high quality voltage waveform

    此方案可使逆變電源輸出電壓波形兼具良好的穩暫態特性,可用於逆變電源輸出波形質量要求較高的場合。
  12. Transient characteristics of nonlinear rc circuit

    電路的暫態特性
  13. Requirements for protective current transformers for transient performance

    保護用電流互感器暫態特性技術要求
  14. The contrast and analysis of linear and non - liner rl circuits transient characteristic

    電路暫態特性的對比與分析
  15. Such problems as the attenuation of dc elements and sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system

    要分析電網的暫態特性,還必須考慮衰減直流分量和衰減正弦波,以及電壓缺口和頻率偏移等問題。
  16. Based on the analysis of the transient and stable features of fault information on line in single carrier power supply with ineffective grounding neutral, this paper puts forward a new method for fault location in small current power system called " gradual identifying law "

    本文針對這一問題,在深入研究了中點非有效接地單端供電系統發生單相接地故障后線路上的各處故障信息的暫態特性和穩的基礎上,提出了一種新的小電流接地系統單相接地故障定位方法- 「遞進信息法」 。
  17. This paper analyses the transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet packet analysis theory is introduced to selecting fault, in which the fault character is not the steady signal but the transient signal

    本文在中點不同接地方式下,研究和分析了線路故障徵量的點,主要從信號處理的角度,提出將小波包分析理論運用到故障選線。
  18. This paper analyses the steady and transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet analysis theory and the artificial neural networks are introduced to fault location, in which the fault character is not the steady signal but the transient signal

    本文在中點不同接地方式下,研究和分析了線路零序故障徵量的穩點,主要從信號處理的角度,提出將小波分析理論和人工神經網路原理運用到故障定位,將基於穩信號的定位原理轉移到基於故障徵量信號的定位原理。
  19. The paper expounds on the following aspects. firstly, on the basis of analysis of current techniques for measuring plant water potential and with the dynamic characteristics of vapor diffusion in consideration, the relationship between the transient process of humidity at the position of the sensor and the water potential of the plant sample is studied in depth, and the corresponding testing apparatus for the on - line non - invasive automatic monitoring of plant water potential is designed

    在仔細分析現有植物水勢測量技術原理及優缺點和所開發的植物水勢測量儀的基礎上,考慮植物水分擴散的動,研究樣品水分無阻尼自然擴散,其上方空氣的過程與水勢的關系,設計了研究植物水勢在線無創傷自動監測技術的試驗裝置。
  20. The steady state and transient characteristics of the aceg system are simulated, the harmonics of the emf and stator current and rotor current as well as mc ' s input current are researched. the operation characteristics of aceg with mc as an exciter are compared to those of aceg with ac - dc - ac converter and cycloconverter as an exciter. the results in this thesis will be helpful to the design of the aceg excitation control system

    利用所建模型,對交流勵磁發電機系統的穩調節暫態特性進行了模擬研究;模擬研究了發電機定、轉子電流和感應電勢及變頻器輸入電流波形,並作了相應的諧波分析;與交-直-交變頻器和交-交變頻器作勵磁電源時發電機的運行進行了對比分析。
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