站場型網路 的英文怎麼說
中文拼音 [zhànchǎngxíngwǎnglù]
站場型網路
英文
geographical circuitry- 站 : Ⅰ動詞1 (站立) stand; be on one s feet 2 (停下來; 停留) stop; halt; pause Ⅱ名詞1 (停車點) st...
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 網 : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 網路 : 1. [電學] network; electric network2. (網) meshwork; system; graph (指一維復形); mesh
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Fieldbus is a kind of communication network which is a whole digitial communication multi _ embranchment data bus between intelligential field device and auto _ system. control system based on pcs ( fieldbus control system ) is a new kind of system which connect field control unit, field monitor unit, operation unit, communication interface uint with databus. lt integrates computer technology, communication technology and process cnotrol technology to adjust to demand of high standard productive control and enterprise management. lt developments and follows the advantage of traditional instrument control system and computer central control system and make up for their disadvantage so that it is applied in different industrial cnotrol area
現場總線是連接智能現場設備和自動化系統的數字式、雙向傳輸、多分支的通信網路。它是一種能支持雙向、多節點、總線式的全數字通信網路。基於現場總線技術的控制系統是一種新型的控制系統,它採用總線方式將現場控制單元、現場監視單元、操作站、通信介面單元連接起來,綜合了計算機技術、通信技術和過程式控制制技術,以適應現代高水平生產控制與企業管理的需要。To counter the tendency of the development of the marketization, specialization, information - orientation, and modernization of highway transportation, this paper systematically and comprehensively addresses the problems of city main - hub planning, and particularly the problems of hub planning, passenger traffic, freight traffic, and traffic information planning, etc. the main aspects can be seen as the following : 1. on the basis of forecast of the four indexes, through the modeling of traffic hinge station " s address - choice, according to the synthetical analysis of the distribution of economy, industry and population, city planning and traffic structure, etc in chengdu, the planning of the main - hub of chengdu is established and the module function and the structure of the highway hub systems are analyzed
本論文主要針對現代公路運輸市場化、專業化、信息化、現代化的發展趨勢,結合主樞紐城市運輸規劃中的相關問題進行分析研究,特別是對公路運輸規劃中的主樞紐規劃、客運規劃、貨運規劃、運輸信息規劃等公路運輸所涉及的關鍵問題進行系統、全面、深入的分析研究,主要工作有以下幾個方面; 1 、在對公路運輸四大指標預測的基礎上,通過對公路樞紐場站布局選址模型的建立,根據成都市經濟布局、產業布局、緘市規劃、人口分布,路網結構等相關因素的綜合分析,確定了成都市主樞紐規劃,並分析了公路主樞紐系統的模塊功能和結構組成。Based on the study on e - commerce system for specialized marls, focusing on the architecture and key techniques for e - commerce system, and the practice of ehingsun. com, an e - commerce website developed for specialized marts, a scheme and development method of an e - commerce system proved to be sound and workable for specialized marts is introduced by this article, presented for discussion together with the blue sprint, faci 1 ity fixing, network structure, module description and build - up tactic of above - mentioned system
本文以「專業市場電子商務系統研究」的實際課題為背景,研究了電子商務系統的體系結構和關鍵技術,並以專業市場為應用服務對象,結合作者參與開發的海印電子商務網站,論述了專業市場電子商務系統的設計方案、設備選型、網路架構、模塊描述及構建策略。在項目的實踐過程中,論文所提出的方案及開發方法取得了較好的效果。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。Abstract : analysis of coupled seepage and stress fields in the area around the dam of xiaowan hydropower station is executed by means of the model of multi - level fracture network for coupled seepage and stress fields in rock mass and the finite element method
文摘:採用巖體滲流場與應力場耦合分析的多重裂隙網路模型,對小灣水電站壩區建壩蓄水后的滲流場與應力場進行了三維有限元分析與計算。By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net
它是針對鐵路接觸網平面布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置;緊接著通過對接觸網平面布置圖的繪圖中所涉及的各種類型數據進行分析,提出並實現繪圖數據管理子系統,它包括建立繪圖系統的數據結構,對數據進行編輯管理,向整個系統提供繪圖數據,供其後的圖形繪制使用;最後通過對參數化設計的相關理論進行介紹,闡述了各種參數化技術的異同點和適用范圍,並結合鐵路接觸網平面布置圖的特點具體分析了接觸網線路的尺寸約束。( 2 ) a new method for on - line forecast and analysis of the insulation safety of large generators is found by combining the topology construct of the electric network in power stations with the electromagnetic relationship inside large generators and using the field - circuit analysis theory
( 2 )運用場路綜合分析理論,將廠站電氣網路拓撲結構與大型發電機組內部電磁關系相結合,提出了一種用於大型發電機絕緣安全在線預測分析的新方法。As to the tunnels of jinping hydroelectric power station in sicuan province, the thesis discusses how to reasonably consider the initial stress field when designing a large - scale tunnel with high initial stress and deep buried. first, by analyzing of the rock lab tests and discusses the feature of regional geomorphology. explains the production of initial stress field, analyze the initial stress of jinping hydroelectric power station ; second, using the fem, the paper creates the real model of region. according to the results of stress measurement point, by combining of ann and fem to decide the boundary condition, the paper calculates the initial stress field ; at last, the paper analyzes the influence of the initial stress field formed from different condition on the deformation and stress of the surrounding rock, and the main factor to influence the initial stress. on the basis of the former work, the author proposes some proposals, which will be helpful for studying and designing of the similar undergroun d engineering
首先從巖體的應力?變形的特性入手,並結合工程區域的地形地貌特徵,對巖體初始地應力場的形成做出解釋,結合錦屏水電站初始地應力的現狀提出了將地應力場進行分帶;然後建立整個工程區的實體模型,在地質分析的基礎上,以工程區右半部分為代表,參照實測點的初始地應力值,採用了神經網路與有限元相結合的方法反演了該區域的初始地應力場;最後模擬隧洞的開挖,通過計算比較分析了初始地應力場對處于不同應力帶內的隧洞圍巖穩定性的影響,在此基礎上提出了作者的建議,力圖為該類工程的研究設計工作提供有益的幫助。Therefore, the main contents and the creative results of this paper are described as follows : ( 1 ) the on - line safety forecast theory for switching overvoltage of large power stations based on the field - circuit analysis is presented by analyzing the electromagnetic transient for electric network of large power stations
針對該研究課題,本文的主要內容及創新性成果如下: ( 1 )通過對大型電站電氣網路電磁暫態過程的分析研究,提出了一種基於場路綜合分析的廠站操作過電壓在線安全預測理論。The system ’ s mainliner is used optical fiber, based modbus protocol and connected many subsystems, video frequency system and direct telephone, as a whole of digital net, sound net and image net
系統基於modbus網路協議,主幹環型光纖以太網路,通過智能介面和現場各監測分站,網路視頻系統和直通電話系統連接,實現數據網、語音網和視頻圖像網三網合一。The program of building the network system foundation and the computer monitoring and control system for the field stations are fit for the practical demand of the sustainable development
系統模型採用基於b s的三層網路結構,網路系統平臺和現場站的建設方案採用了適合於建設實際的可持續發展的建設模式。This paper analyzes feasibility and practicability of this system based on web techniques and expounds allsidedly the system model, network system foundation and the program of building the computer monitoring and control system for the field stations
文章分析了基於web技術的監控系統的可行性和實用性,全面分析和闡述了該系統的模型、網路系統平臺和現場站監控系統的構建方案。The system model is based on the 3 - tier network structure, and it is supervised by the combined way of b / s and c / s. the program of building the network system foundation and the computer monitoring and control system for the field stations are fit for the practical demand of the sustainable development
系統模型採用基於b / s與c / s相結合的三層網路構架,網路系統平臺和現場基站的建設方案採用了適合於建設實際的可持續發展的建設模型。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。Zb transformer substation named european style cubical substation, which as a new type of electricity supplying equipment, with more advantages than traditional substation, because of small dimension, compact structure, and decreases the construction cost, at the same time, its installation is very easy, and the supply is very fast, and no need watching people, especially it is into the load center, which is very important for improving the supplying quality, decreasing the loss, improving supplying reliability and reforming electricity network
Zb型箱式變電站谷稱歐式箱變,作為一種新型供配電裝置,它比傳統土建變電站具有許多優越性。由於它體積小,佔地面積小,結構緊湊,便於搬遷,因而大大縮短了基建的周期和佔地面積,也減少了基建費用。同時,箱式變電站現場安裝簡單,供電迅速,設備維修簡單,無須專人值守,特別是它可以深入負荷中心,對提高供電質量,減少電能損失,增強供電的可靠性以及對配電網路改造都是十分重要的。分享友人