power graph 中文意思是什麼

power graph 解釋
功率曲線圖
  • 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...
  • graph : n. 1. 【數學】曲線圖；坐標圖，圖表。2. 統計曲線。vt. 用圖表表示，把…繪入圖表。n. 膠版。vt. 用膠版印刷。n. 【語言學】1. 詞的拼法。2. 表示音素的最小字母單位。
  1. 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。
  2. By analyzing the topology of an interconnected power system, chapter 3 of this thesis derives the spanning tree, and builds the corresponding minimal cut set. by combining the results from the graph theory with the reliability indices of the individual reparable components, the reliability indices at the load point can be obtained, and the reliability indices for the whole system are deduced

    本文的第三章從單個可修復元件的可靠性指標出發，在分析電網路的拓撲結構的基礎上，利用一定的演算法求出其對應的生成樹，根據生成樹和最小割集之間的對應關系，得到整個電網路的最小割集。
  3. 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。
  4. The visualization objects include the power flow animation, each customer ' s use rate of transmission line, the power supplying paths. a novel method is developed using power flow tracing method for finding all the directed paths between two designed nodes in the directed graph with loops

    鑒于目前還沒有高效的供電路徑搜索的數值方法，發展了一種新的基於潮流跟蹤的供電路徑搜索新方法，該方法可以通過簡單的運算來獲得帶環路網路指定兩節點間的所有供電路徑。
  5. Starting with analyzing characteristics of power network, it takes content of power network as fact, and describes knowledge of power network fact base by using of object - oriented techniques. it constructs fact base in knowledge base. the various rules that reflect relation of database and graph are constructed

    在對電網知識特點的分析基礎上，把關系型數據庫中記錄的內容視為事實型知識，利用面向對象的技術對電網事實庫知識進行了描述，構建了知識庫中的事實庫，利用產生式規則構建了反映由庫到圖的各種規則（規則庫） ，並設計了面向對象的關系型電網拓撲數據庫。
  6. And so, the gis - based electric cable information management system can administrate transformer substation, switch substation, power distribution room, power cable, silo, canal and high voltage user according to their location, drawings, cable records. the system provides multiple index for query service and statistical electric cable graph and information on properties

    本系統可以實現對變電站、開關站、配電室、電纜、豎井、溝道及高壓用戶等空間位置、圖形資料（包括一次接線圖、竣工圖、斷面圖） 、電纜臺帳信息的綜合管理；並可按多種方式來查詢、檢索、統計電纜圖形及屬性數據信息。
  7. Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment

    數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計，包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算，包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成，生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。
  8. Abstract : based on the analysis of the physical structure, operati ng principle and dynamic characteristics of the power unit of an excitation cont rol system, a model of this power unit is firstly established with bond graph app roach. the operation of this unit in both normal and abnormal conditions is simul ated on the platform of matlab with simulink. this simulation results have compar ed with the real operation behaviors

    文摘:在對同步發電機自並勵系統功率單元的物理結構、工作原理及動態特性進行分析的基礎上，建立了勵磁功率單元分散式物理圖網模型，並在matlab的simulink平臺上對勵磁功率單元正常和幾種故障情況下的工作進行了模擬研究，並與實際工作情況進行了比較
  9. ( 4 ) the graph compiler of power system single - line graph is independently developed. employing standard modeling technique uml and multimode, presenting the concept of joint and leg to describe the relationship of graphs and realizing the auto - routing of devices except bus, the compiling of graph objects, including bus, transformer and line, is more convenient than conventional software

    （ 4 ）獨立設計開發了電力系統主結線網路的圖形編輯平臺，在設計中採用了標準化建模技術uml和多態技術，並創建了關節和腿的概念來描述圖形之間的關聯關系，且實現了非母線設備的自動布線功能，使主結線對象（母線、線路和變壓器等）的編輯相對傳統軟體更加方便、快捷。
  10. The system adopt powerbuilder 6. 5 to develop designing and calculating subsystem, and use sql anywhere for power builder 6. 5 to manage design parameter and design formula data and so on ; adopt object arx to develop graph managing subsystem and realizes parameter replace of bearing assembling drawing and part drawing ; adopt vc6. 0 and ole to realize automatic loading bearing assembling drawing and part drawing under autocad circumstance and execute uniform management on these drawings

    系統採用powerbuilder6 . 5開發設計計算程序，採用pb6 . 5自帶的sqlanywhere數據庫管理設計參數、設計公式等數據；採用objectarx開發設計圖圖形數據處理程序，實現在autocad環境下的軸承裝配圖、零件圖的參數替換；採用vc6 . 0 ，應用ole技術，自動裝入軸承裝配圖、零件圖，實現對設計圖的統一管理。
  11. Dynamics analysis of a hybrid driving five - bar linkage based on power bond graph

    基於功率鍵合圖的混合驅動五桿機構動力學分析
  12. The system has realized the complete parameter lamination display in the daqing oil field power network and the entire 6kv circuit in oil field enters the simulation disk management. the graph region has the function that can enlarge, doubles shrink doubles put and linear doubles put. it has the entire screen roam and district display different menu function, it can display the system real - time movement way according to the network topology data

    系統實現了對大慶油田電力網全部參數的分層顯示、全油田所有的6kv電路都進入模擬盤管理;圖形區域具有放大、倍縮倍放、線性倍放功能;具有全屏漫遊、分區顯示不同畫面功能，能根據網路拓撲結構數據顯示系統實時運行方式。
  13. Application of power network graph theory to intelligent training system for power plant

    圖論方法在電廠操作智能培訓系統中的應用
  14. The event distribution graph helps you to determine what kind of power quality problems you have, and to decide what kind of protection is best

    項目分配圖表幫助你找出電力質量有那種問題出現和決定哪種保護最好。所有
  15. It improves traditional positive inference. based on topology structure of power network in power system database, a inference network graph is established with the method form top to bottom. a positive inference is used in inferring and the positive inference algorithms is proposed

    對傳統的正向推理演算法進行了改進，以網路數據庫中電網拓撲結構作為前提，採用自下而上的方法建立推理網路圖，採用正向推理機制進行推理，並給出了正向推理演算法。
  16. But the complicated derivation process from power bond graph to state equation made the popularization of the techique restricted

    但從功率鍵合圖推導狀態方程這一復雜繁瑣的過程使得這一技術的推廣受到限制。
  17. It has been widely recognized by the engineering technical personnel that using the method of power bond graph modeling to study the dynamic characteristics of system

    採用功率鍵合圖建模的方法對系統的動態特性進行研究已經引起了工程技術人員的廣泛關注。
  18. There are four main parts in the paper, i. e. first of all, the dissertation studies the steady - state performance of repmsm with the theory of vector graph and equivalent electro circuit. characteristic of power angle, determinant of static of motor moving, losses and armature reaction are analyzed in this part

    論文研究稀土永磁同步電動機的穩態性能，結合向量圖和等值電路理論對稀土永磁同步電動機穩定運行進行了深入細致的分析，包括功角特性，電機運行狀態的判定，損耗和電樞反應等稀土永磁同步電動機自身具有的特點。
  19. To solve this problem, this paper re - numbers the nodes by using graph theory. when there are no loop flows, the power flow tracing results can be obtained without inverting the matrixes directly, so the efficiency is improved greatly. when there are loop flows, the power flow tracing problem can still be solved by using traditional methods

    為解決這一問題，本文將基於圖論的節點編號方法引入到基於矩陣的追蹤方法中，在無環流時，可以不用直接對矩陣進行求逆，從而加快了潮流跟蹤的求解時間；在有環流時，仍可以通過傳統的方法對潮流跟蹤矩陣進行求逆。
  20. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
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