支路電流法 的英文怎麼說
中文拼音 [zhīlùdiànliúfǎ]
支路電流法
英文
branch current analysis- 支 : Ⅰ名詞1 (分支; 支派) branch; offshoot 2 (地支) the twelve earthly branches3 (姓氏) a surname...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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In the process of arithmetic design, newton " method is used to compute power flow of network. graph theory knowledge is used to determine all paths from generator to load. to improve efficiency, thesis use branch expunction method to optimize the node order
在演算法設計過程中,採用牛頓拉夫遜法進行潮流計算得到系統潮流分佈,利用圖論原理中的路徑搜索演算法確定了發電機對負荷的供電路徑,此外為了提高潮流跟蹤的計算效率,利用了支路消去法進行節點順序的優化。With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator
提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法,這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息:系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。In chapter three, a back / forward sweeps based on branch loss for power flow is presents, which is credited with simple program, good numerical value stability, small ems memory and rapid calculation
第三章介紹了基於支路網損的配電網前推回推潮流演算法,該演算法編程簡單,數值穩定性好,佔用內存小,計算速度快,並且收斂性和收斂速度均優于牛頓法。Basic principle of the simplification is detailed. feed lines with branches is also discussed. the proposed approch is verified by branch current based power flow calculation
論述了簡化分析的基本原理,並採用支路電流法驗證了該方法的可行性,還討淪了帶有支線的饋線的處理問題。Based on the theory of branch complex power, accurate formulas are derived to determine complex loss and flow components in power elements. to overcome the deficiencies of the traditional methods which transmission cost is allocated to users only based on active power flow and the existed using portion definitions which fail to take it into account that the interaction of active and reactive power, a new definition of the using portion of a power element by a particular generator or load is addressed
針對當前輸電費用只按有功潮流進行分配,無法計及無功潮流交叉影響的缺陷和基於傳統的電路理論無法結合有功無功潮流來定義元件使用份額的問題,本文又在復功率電源的支路功率分量理論基礎之上,基於發電機和負荷的復功率在支路上引起的有功損耗分量,給出了發電機和負荷對元件使用份額的新定義。This thesis studys several distribution network reconfiguration algorithms detailedly, mostly concluding branch - exchange method, optimal flow pattern method, recursive fictitious flow method and hybrid flow pattern method. it analyzes theoretical basis of all algorithms, modified process and basic steps at length. besides it simptylniroduce other distribution reconfiguration algorithms and its development, compares the characters of all algorithms and puts forward a simplied recursive fictitious flow method, then according to a example proves the effect of some algorithms
本論文詳細研究了多種配電網路重構演算法,主要包括支路交換法、最優流模式法、遞歸虛擬流法和混合流模式法,詳細分析了各種演算法的理論依據、改進過程和基本步驟,簡述了其它相關重構演算法的思路及其發展,比較了各種演算法的各類特性,提出了一種簡化遞歸虛擬流演算法,並通過實例證明了幾種重構演算法的有效性。The research job includes bringing a project about fault calculation, using node impedance matrix as maths model of network to derive the arithmetic based on the fundamental of modifying impedance matrix by adding the branch, building the whole database with micosoft access. the whole project is realized with visual c + + 6. 0. it is applied to au hui electric network, and is proved correct
本文首先根據系統的要求,綜合考慮各種運行方式變化,提出合理的零序電流,分支系數的計算方案;然後採用節點阻抗矩陣作為系統的數學模型,推導出基於支路追加法的阻抗矩陣快速補償優化演算法,從而實現計算方案;最後以micosoftaccess為工具設計出完整的故障計算數據庫。A new viewpoint to observe the relation of bus voltage, bus current injection and branch current of the network considering branch mutual inductance has been provided in this paper. the process of building the z - matrix of a large - scale power network is set forth in particular in this paper. and the method is employed in the fault computation system successfully
本文為了從演算法上提高故障計算的速度,在完全計及支路互感的前提下,利用節點注入電流與支路電流以及支路電流與節點電壓的關系,提出了一種能夠統一處理互感和無互感線路、快速形成大規模電網節點阻抗矩陣的新方法。This paper presents a novel method for short - circuit current calculation, using zero impedance branch to simulate electrical equipment ( such as circuit breaker )
提出了將電氣設備(如斷路器等)用一條零阻抗支路模擬的短路電流計算方法。It utilizes zero impedance branch characteristic, combining structure - transform and structure - static short - circuit current calculation method to calculate the short - circuit current directly through the electrical equipment when short - circuit fault takes place at the two sides of the electrical equipment, and settles the problems that the traditional method cannot directly figure out the short - circuit current
該方法利用零阻抗支路特點,結合定結構和變結構短路電流計算方法,能夠直接求出在電氣設備兩側分別發生短路時,通過電氣設備(如斷路器)的短路電流,從而合理地解決了傳統的故障分析方法不能直接求出流過設備的短路電流的問題。Then, based on the estimation algorithm decomposing the measurement of voltage scope and power scope, the problems of the location of transformation tap settings and the tide current estimation of zero - impedance branches in state estimation are solved ; and detection and identification of bad data in state estimation are deduced and stimulated, also a hybrid method of detection and identification is brought forward
隨后,在基於分解電壓測量量和功率測量量的估計演算法的基礎上,對狀態估計中經常出現的變壓器抽頭位置問題和零阻抗支路潮流估計問題進行了分析和處理;對狀態估計的不良數據檢測與識別方法進行了推導和模擬,並提出了一種混合檢測方法。Branch current analysis
支路電流法Based on the branch - current - based current method, this paper presented a three - phase state estimation method for distribution where the load current is considered as the state variable
在基於支路電流的三相配電網狀態估計的基礎上提出了以負荷電流為狀態變量的配電網的三相狀態估計方法。For this reason, the general algorithm on fault calculation is researched in protection relay setting, and fast calculation on branch current is put forward for the first time in this paper. so the complete and quick fault analysis is provided for protection setting
為了滿足工程實際需求,本文作者積極探索了面向繼電保護整定計算的通用故障分析演算法,首次提出了適用於任意故障類型的支路電流的快速演算法,為保護定值的整定計算提供了完備而快速的故障分析方法。The feeder net model for distribution automation is built based on the nod information matrix and the line information matrix, and the nods represent the switches and the fault indicator in the distribution net. the method of fault locating offered by this paper called line fault probability method, which locates fault by calculating the fault probability of line in the net. this paper also provides a method called volts d. c. for restoration and offers the regulation of restoration
採用節點、支路信息矩陣來描述配電網路,形成面向故障自動化處理的網路數據結構;提出了基於支路故障概率的故障定位演算法,並結合短路電流特性判據法來定位故障支路;在定義直流等值網的基礎上,提出了優化供電恢復的直流電壓降法;開發了配電網故障自動處理軟體系統,並用於實際配電自動化工程中。In the last part, the situation of the application of ec is outlined, and the facts that impeded the development of ec are presented : the imbalance of supply and demand with regard to the infrastructure of network, the lackey of confidence of consumer and firms on ec because of the lackey of credit in economy life, and the difficulties of how to adapt to and protect the new product style of ec by state legal system. we pointed out that, several aspects, such as fiscal tax revenue, law and enactments, the safety of information, admission of market, the perspectives of information, and technolocrats, will persistently impeded the development of ec. in china, the application of ec should be dominated by firms and conducted by government, which should as soon as possible enact the relative law regarding to taxation, electronic paying, digital signature, certification authority, intellectual property on web, etc. the national physical distribution system, the financial monitory system, the system of credit of firms as well as consumers should be completed
在最後一個部分,文章簡述了我國電子商務應用的現狀,用博弈論方法分析了制約我國電子商務應用發展的幾個主要原因:網路基礎設施的供需失衡、經濟生活中的信用意識缺乏導致的消費者和企業對電子商務應用中的普遍的不信任及國家法律制度如何適應和保護電子商務這種新的生產方式等,並指出,財政稅收、法律法規、信息安全、市場準入、信息觀念、技術人才等幾個方面的問題將是長期阻礙電子商務發展的因素,電子商務在我國的應用要走企業為主體、政府引導的路子,政府應盡快制定有關稅收、電子支付、電子簽名、身份認證、網上知識產權等方面的法律法規,建立覆蓋全國的現代化物流配送體系,健全和完善金融監管體系,特別是企業信用體系和消費者信用體系的建設,大力推進企業信息化建設,創造發展環境,完善保障機制,加快人才培養。A fast methode of current tracing based on superposition theorem
一種基於支路共軛電流及其疊加定理的實用潮流追蹤方法The content including : ( 1 ) according to the radial structure and multilayer characteristic of distribution network, a novel layer - by - layer backward / forward sweep method id developed. the branch power / voltage loss of the same layer can be parallel computed without relabeling buses and branches, that greatly increases the speed of load flow calculation
其主要內容如下: ( 1 )針對配電網路的樹狀結構和層次特性,研究了一種新穎的分層前推回代潮流演算法,該演算法不需要網路節點和支路的特殊編號,可以并行計算同一層次所有支路的功率損耗和電壓損耗,從而大幅度提高了潮流的計算速度。This paper introduces the electricity market status in and out of the country and the power industry in fujian province. it investigates how to set up fujian province electricity market. it provides a layered network model about the mainstream and branch cascaded hydro plants and the generation plan in one day considering the assistant serving. it also provides some software to resolve the problem about the hydro - thermal coordination. and provides some solutions in a certain exetent
針對福建省水電豐富、梯級水電站較多的具體情況,採用網路流法構建了一個完整的解決閩江各支流、幹流復雜梯級電站經濟調度的模型,建立了計及輔助服務的發電市場日交易計劃的模型,開發了解決水火電聯合經濟調度及相關的報價體系的初級軟體,並進行了初步試算和分析。Also, a calculation model for instantaneous branch current is proposed, and is verified by examples. che lizhi ( power system and its automation ) directed by prof
提出了計算電力系統任意時刻分支短路電流的計算模型,並通過實例驗證了演算法的正確性。分享友人