短路分析 的英文怎麼說
中文拼音 [duǎnlùfēnxī]
短路分析
英文
short-circuit analysis- 短 : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
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The paper analyses and finds the factors affecting the insulation of electrobath short circuit ora and gives feasible measures to solve this. after reconstruction the insulation performance of the electrobath is raised
分析並找出了影響電解槽短路口絕緣性能的因素,提出了可行的解決措施,經過改造,達到了提高電解槽絕緣性能的目的。Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical
文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導線性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。The third part studies the actual questions of our e - government, and thinks there are 5 aspects of problem in the area : the people ' s ideas is the key to the problem, which is the largest resistance to build the e - government ; the old administrative system ca n ' t adapt the e - government ; it ' s serious to the " digital gap " question ; the information professional is scarce in the government ; the related laws and rules, especially the open information systems are imperfect, in face of the five problems, i bring forward the six countermeasures : the government should strengthen to educate the government employee on the related knowledge ; strongly push on reinventing government ; the " e - government " should be strugglingly developed ; resolve the " digital gap " question ; establish and perfect the correlative laws and rules ; try hard to settle the question of net safety
在論文的第三部分,我著重對我國電子政府目前的問題進行了提煉、分析,認為存在著五大方面,分別是:關鍵是人的思想觀念跟不上,成為電子政府建設的最大阻力;原有的行政體制不適應電子政府的發展; 「數學鴻溝( digitalgap ) 」問題嚴重;信息人才短缺;相關法律法規不完善、信息公開的制度保證不足。針對這五個方面,我提出了六點解決對策,分別是:大力加強對公務員的培訓和教育;強力推進政府再造:電子政務要大力發展;解決數字鴻溝問題,加大「兩軟一硬」投入;建立健全相關的法律、法規;努力解決好網路安全問題。In verifying of relay protection sensitivities, a network portioning method combining with graphic interface is proposed. it can online track the varieties of network, accordingly it can satisfy real - time and emulation analysis of topological configuration. with the real - time network configuration and nodal admittance matrix analyzed, the short - circuit calculation is carried out ; by means of an expert system, the verification of protection sensitivities has been achieved
在網路拓撲在線快速跟蹤基礎上,進行實時結線分析並形成導納矩陣,同時將短路計算的理論運用於在線,將獲得的在線短路計算的結果同專家系統相結合進行保護靈敏度的在線校驗,最後通過友好的人機交互界面提供整個城市電網全部投運保護裝置的保護靈敏度狀況。Using the logarithm graph, multi - varieties production batch problem is resolved. the production scheduling is realized with heuristic traverse algorithm. at last, the strategies, which include disassembling task, shorting interval of the working procedure, overlapping working procedure, deferring the back working procedure etc., are brought forward to deal with the order ' s inserting, postponement, freezing and doing again on carrying out the production plan
3 )分析了企業職能信息系統的集成性和各部門間的協調性,研究車間生產計劃的制訂過程,以模糊多屬性折衷式模型實現了工藝路線的決策,採用對數坐標圖表法,解決了多品種生產批量問題,用基於啟發式的遍歷演算法實現了生產工單的排產,最後提出了任務分解、縮短工序間隔,相鄰工序時間疊加,延遲后續工序等控制策略處理計劃執行過程中工單的插單、延期、掛停與返工等特殊問題。Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace
通過對pid 、模糊、單神經元等控制策略的分析比較,將單神經元增益與權值的自適應調節、抗積分飽和等控制策略相結合,改進了單神經元控制器演算法,可以有效抑制擾動,減少斷弧、短路等現象的發生,使系統的控制效果和魯棒性都得到增強,對電弧爐控制系統的設計也具有一定的應用參考價值。A short circuit calculation software has been developed by setting up visual mathematic model of power network, providing the criterion of the choosing of the equipments under high - handed electricity power transmission and distribution for ptcad2000
通過建立可視化的電網數學模型,程序實現了電力系統下短路故障的計算和分析,為在ptcad2000平臺下高壓輸配電網的設備選型提供了依據。Through the illustration of the short - circuit test method and through the analysis on final data of the catenary line for dc traction system of shenzhen metro vehicles, it is shown both the set values for the short - circuit calculation and the equipment selection are correct
通過對深圳地鐵直流牽引系統接觸網短路試驗方法的闡述及最終數據的分析,表明短路計算整定值和設備選擇的正確性。Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc
熟悉項目中的高、中、低壓配電系統和功率因素補償研究及諧波分析, ups和直流電氣系統,功率計量,相關計算(包括短路計算和保護裝置協調分析,照明保護計算,發電機功率計算等) 。Under the condition of meeting the power supply requirement, the relationship is analyzed between the traction transformer capacity and voltage loss of variant parts as well as the short - circuit capacity of the power system
在滿足供電要求的情況下,計算分析了牽引變壓器容量與各部分電壓損失、電力系統短路容量的關系。Second, the current routing protocols of wireless sensor network are analyzed, aiming at the disadvantage that the protocols have high power dissipation and short lifetime. based on the leach routing protocol, we improve the leach routing protocol, and then name the advanced routing protocol leach new, in which we improve cluster head selection algorithm and optimal cluster number determination of leach respectively
並重點對現有的無線傳感器網路路由協議進行了分析研究,針對這些協議存在的整體能耗高、網路生命周期短等缺點,在leach路由協議基礎上,對leach路由協議進行了改進,我們把改進后的路由協議稱為leachnew 。Three kinds of common methods ( called as tuning and magnifying method, short circuit method, apparent coercive field strength method ) for fluxgate magnetometer signal detecting and their advantages and disadvantages are described in this paper
本文還介紹了三種常用的磁通門磁力儀信號檢測方法:調諧放大檢測、短路偶合檢測和視矯頑場強度檢測方法,並分析了各種方法的優缺點。Results obtained by network simulation ( ns ) shows that the optimized aodv scheme performs effectively in terms of successfully packet delivery ratio, routing overhead and end - to - end delay
經ns模擬后的性能分析比較,優化的aodv協議在提高分組發送成功率、降低路由開銷、縮短端端延遲等方面效果顯著。Topics covered include : randomized computation ; data structures ( hash tables, skip lists ) ; graph algorithms ( minimum spanning trees, shortest paths, minimum cuts ) ; geometric algorithms ( convex hulls, linear programming in fixed or arbitrary dimension ) ; approximate counting ; parallel algorithms ; online algorithms ; derandomization techniques ; and tools for probabilistic analysis of algorithms
主題包括?隨機計算、資料結構(雜湊表、省略串列) 、圖論演演算法(最小擴張樹,最短路徑,最少切割) 、幾何演演算法(凸殼、在固定或任意維度的線性規劃) 、近似計數、平行演演算法、線上演演算法、消去隨機技術,以及演演算法的機率分析工具。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential
Dms網路分析的基本軟體有:網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有:負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具,通過它可以了解和掌握當前的運行狀態,從而挖掘安全和經濟方面的巨大潛力。Shortest path problem is one of the primary problems of network analyses. as the base of optimal selection problem in many fields, computing shortest paths over a network has become an important task in many transportation and network analyses systems
最短路徑問題是網路分析中基本的問題,它作為許多領域中選擇最優問題的基礎,在交通網路分析系統中佔有重要地位。It importantly introduces the technology of analyzing the gis - network, and points out that analyzing the gis - network, is the basic function of the gis space analysis. the core of the gis space analysis is working out the short path - and the best path form the destination to the source
並重點介紹了gis網路分析技術,指出路徑網路分析是gis空間分析最基本的功能,其核心是對最短路徑、最佳路徑的求解,並敘述了最短路徑演算法的相關知識。And among network analyse question of shortest path is the key question
而網路分析中最基本最關鍵的問題就是最短路徑問題。分享友人