短路計算 的英文怎麼說
中文拼音 [duǎnlùjìsuàn]
短路計算
英文
short circuit calculation- 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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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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。Two kinds of new on - line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways, are designed
本文提出了兩種在線監測變壓器繞組變形的方法,通過在線監測變壓器繞組原、次邊的電壓和電流量,實時計算變壓器繞組的短路電抗來判斷變壓器繞組變形情況,並對電氣化鐵路主要接線型式的牽引變壓器繞組變形的在線監測方案進行了設計。Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net
由於各個電壓控制區之間無功電壓的弱耦合性,利用多閥值分解的分區演算法,實現區域間的解耦,然後根據各個子網路的主導節點的電壓進行校正,從而把求解整個網路的問題轉化為求解各個小的子網路,降低了網路維數,減少了無功設備控制動作次數,提高了校正成功率,縮短了計算時間。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。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。In this paper, computerized algorithm of three - phase sudden - short - circuit is also deeply studied by building software - hardware platform
本文在構建的軟硬體平臺上又深入研究了三相突然短路試驗的計算機演算法。In the project of local power network short - circuit calculation, protection coupling and archive management, a second - exploitation of autocad is used to get an expected graphics system
在「地區電網短路計算、保護整定及檔案管理程序的研究」項目中,採用對autocad進行二次開發來獲得所需要的圖形系統。Low and medium voltage power distribution systems, lighting, ups, afd application, short circuit calculation and protective device coordination, fire alarm systems, telephone systems, hazardous material monitoring and alarm systems
中、低壓配電系統,照明, ups ,變頻器應用,短路計算,保護裝置協調,消防報警系統,電話系統,危險材料監控和報警系統。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) 。The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer
本文介紹了在ptcad2000平臺下短路電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接線圖轉成等值可計算網路、序網的生成、考慮零序互感線路阻抗時電網導納矩陣和阻抗矩陣的生成,以及故障點短路電流計算的計算機實現。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。Secondly, according to the characteristics of few hubs in the practical hub and spoke airline network, the shortest path algorithm is improved, and an exact algorithm is proposed to solve the airline network robust optimization model, with which robust solutions suitable for various possible scenarios are obtained
然後結合中樞輻射航線網路實際應用中樞紐個數少的特點,對最短路演算法加以改進,提出了一種求解航線網路魯棒優化設計的精確演算法,得到了適用於多種可能情景的魯棒解。This paper is to propose an open synchronization framework based on agent. it can availably economize network band, cut transfers delay, lighten netword burthen by using sufficiency network computing resource, and access offline
本文利用agent技術,建立了一個新同步復制系統模型,從而能夠有效地節省網路帶寬,縮短傳輸延遲並充分利用網路計算資源以減輕移動終端的計算負載,在網路斷接的情況下提供對數據的訪問。The method ' s aim is made the investment of substations and feeder minimum. it can model physical constraints with land utilization and street accessibility and used actual street routes in the substation location and feeder planning, which is important especially in a suburban or city area
模型包含了用地限制和街道可達性、可用性等約束,而且在求解模型時用基於動態規劃的最短路演算法確定負荷點到變電所的計及障礙因素的歐幾里得距離(簡稱廣義距離) 。Calculation research and its simulation of short - circuit current on combat marine power system
艦船電力系統短路計算及模擬A short circuiting operator will evaluate only as many expressions as necessary before returning a correct value
它表示短路運算符。短路運算符僅計算返回正確值所必需的表達式。At the same time, the program applies the result to the module of verifying the electric devices " stability
同時該短路計算程序為開發其他功能模塊,如在線電氣設備動、熱穩定校驗以及設備選擇提供了介面。When dealing with user - defined types, prefix increment should be used whenever possible, because it ' s inherently more efficient
主要原因是因為,計算與或表達式的時候,可以短路計算,而且誰先計算,誰后計算都有規定。分享友人