電力網路分析 的英文怎麼說
中文拼音 [diànlìwǎnglùfēnxī]
電力網路分析
英文
electric network analysis- 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 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...
- 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
- 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
- 網路 : 1. [電學] network; electric network2. (網) meshwork; system; graph (指一維復形); mesh
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The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data
第二章在分析電子提單運作中的安全隱患的基礎上,歸納出其六大安全要素,即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析:第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規,第四章則介紹了電子提單的安全認證機構,第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制,第六章介紹了數字簽名的概念及原理,並以bolero為例介紹了數字簽名的技術方式,對有關法律問題作了論述;第七章首先論述了電子提單對有效性的法律需求,然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性;第八章通過對各國立法對電子證據的法律效力的規定,論述了對電子交易至關重要的數據電訊的不可抵賴性。The second part ' s work is forecasting the developmeni of the electric power markct. the third pari ' s work is plltting forward the stfategy goals with fuzzy reasoning
本文中電力市場分析主要是對電力市場進行預測,預測的方法包括趨勢外推法、回歸分析法和模糊神經網路法。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures
電力部門通常在實際中,需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量,需要對電力網路各點的諧波電壓、電流實際水平進行測試,然後對測試數據進行人工分析統計,並以此採取相應措施降低或減少諧波對電網的危害。Optimal power flow is an analyzing and optimizing method of power networks, considering economy and security at the same time. it has been widely applied to secure operation, economic dispatch, energy management and pricing of electric power, etc. with the fast development of power market, the importance of practical uses of opf is standing out increasingly
最優潮流( opf )是一種同時考慮經濟性和安全性的電力網路分析和優化方法,在電力系統的安全運行、經濟調度、可靠性分析、能量管理以及電力定價等方面得到了廣泛的應用。First, it gives a comprehensive introduction and analysis on the cti technology. then it introduces the subscriber call procedure on telephone network and some power system communication criterion. on the basis of analysis on dispatching telephone test flow, model and mathematical analyzing, the author developed a valuable dispatching - telephone auto - test system based on the cti technology
文中首先對cti技術進行了較為全面的介紹和分析,其後介紹了電話網路中用戶線部分的呼叫過程及電力系統通信網路的一些行業標準,在對調度電話測試流程、模型及數學分析的基礎上,基於cti技術開發出了一套具有較高實用價值的調度電話自動測試系統。Based on the research of the mechanism of the evaluation, this thesis focus on the most important part in the electric control centers - - electric dispatch system, analyzing the most vulnerable points in the guizhou electric power data network. first of all, the theorem of the network is discussed in this treatise
論文在對電力數據網路安全評估機制進行研究基礎上,採取對網路分層的方法,對貴州電力數據網路每個層面基本的不安全因素進行了細致分析,並對電力控制系統安全的重要組成部分- -電力調度系統的不安全因素作出了分析。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。The drawing of the electric power networks is the basis of electric power system analysis, and a lot of work has been done on this subject
電力系統的網路圖形是電力系統分析的基礎,人們開始研究應用於電力系統的圖形系統。( 3 ) the law and characteristic of electromagnetic transient process for the switching overvoltage in the electric network of power stations have been studied by analyzing the electromagnetic transient process of switching overvoltage in power station and specially approaching the surge overvoltage transferred from the switchgear station through power transformers
( 3 )通過分析廠站操作過電壓的電磁暫態過程及特性,特別是對超高壓開關站中的操作過電壓通過升壓電力變壓器傳遞的傳遞過電壓進行分析研究,研究了廠站電氣網路中過電壓的電磁暫態變化規律及特性。Main products of digital display electric measurement meters, intelligent electric measurement meters, multi - function electric meters, network electric measurement meters, electric power quality analysis instrument, single ( three ) - phase watt - hour meter, multi - function watt - hour meter and protecting the device developing
主要產品數顯電測量儀表、智能電測量儀表、多功能電力儀表、網路電測量儀表、電力質量分析儀、單三相電子式電能表、多功能電能表、綜合保護裝置。Then it demonstrated that layer 3 mpls vpn has high security, the ability of overloading multi - service, function of routing and can realize central management and configuration. it has mature and credible technology and is the most appropriate ip vpn technology for the development of telecom service provider. on the basis, it analyzed the security of mpls vpn and the characteristic of qos, and proved the high security of layer 3 mpls vpn, then by combing with technology of differ service and te ( transfer engineering ), it proved layer 3 mpls vpn can provide qos of low delay and high reliability to satisfy the need of telecom network
論文首先討論了ipvpn的隧道技術及標志交換技術,尤其結合當前最新的技術詳細討論了標志交換中的三層mpls (多協議標簽交換) vpn技術和各類二層mplsvpn技術,論證了三層mplsvpn具有高安全性、多業務的承載能力、路由功能,可以實現集中管理和配置,技術上成熟可靠,是當前最適合電信運營商發展的ipvpn技術;在此基礎上全面探討了mplsvpn的安全及qos特性,說明了三層mplsvpn具有很高的安全性能,同時通過結合differservice技術及流量工程技術, mplsvpn能夠提供低時延、高可靠的qos保障能力,滿足電信網路運行的需要;並且根據當前最新的雙平面組網技術和iptn技術跟蹤分析了mplsvpn當前的最新發展趨勢和動向。Secondly, the modification function and resonance produced by running power capacitor increased the harmonic at the same time, which worsen the operation environment of itself. it is very important to analyze the reason of harmonic and conduct the valid measure to restrain its affect and guarantee the safely operation of power network. the author has present the point in this paper, based on the operation characteristic of modern power system, the author described the production and development of network harmonic with the consideration on the same kind of problem
本文以現代電力網路的運行特點為基礎,結合近年來對所涉及的同類問題的思考,對系統諧波的產生、發展的一般規律進行較為全面的理論闡述;以大量事故案例分析諧波所帶來的危害和影響;通過實地測試和對所得數據的分析研究,推導出一種應用matlab的fft的諧波分析方法,給出了該方法的程序流程框圖及結果界面顯示;在此基礎上進一步探討了利用現代通信網路建立電網諧波網路管理分析系統的總體構想和功能。In this paper the method of inverse system and ath - order inverse system are introduced, then it studies the application of the method of inverse system and supervised neural controller in the excitation controlling of one machine infinite bus power system. after introducing the method of ann a th - order inverse system it studies its application in the excitation controlling of one machine system. at last as t the emphasis of this paper, combining the theory of multi - machine decentralized and coordinated control, the method of ann ath - order inverse system is studied how to be used in the excitation control of multi - machine power system
本文首先介紹了逆系統和階積分逆系統理論,接著研究了逆系統方法和神經網路監督學習控制理論在單機?無窮大系統勵磁控制的綜合應用;然後在介紹了神經網路階逆系統控制理論后,研究了神經網路逆系統方法在單機?無窮大系統勵磁控制中的應用;最後作為本文研究重點,首次將神經網路逆系統方法應用於多機電力系統穩定控制,研究了神經網路逆系統方法在多機系統勵磁控制中的應用情況,並結合多機系統最優分散協調控制理論,設計出基於神經網路逆系統方法的多機電力系統分散協調勵磁控制器,進行了控制系統模擬和效果分析。My article integrated the characteristic of the present relay protective settings calculation on the basis of comprehensive analysis with the present technology and management system, introducing the adaptive concept. its purpose is that the relay protective settings of all the components or lines in the network can uphold protective integrality following the change no matter however the network changes. after programming an integrated relay protective settings calculation and management system for power plant, the validity and practicability of adaptive relay protective settings theory is proved
本文結合目前繼電保護定值整定的特點,在對現有技術進行廣泛分析的基礎上,在繼電保護定值計算和管理中引入了自適應的概念,它的目的是無論電力網路如何的發生變化,網路里所有元件(線路)的繼電保護定值等能通過計算和管理適應這種變化而保持系統內保護的完整性。The control system will comprise five control centers, in nairobi and around the country, equipped with redundant computer systems and abb network manager scada / ems software for the operation, control, analysis and enhancement of the electrical network, and for power generation management
該控制系統將在內羅畢和全國各地包括五個控制中心,為電力網的運作、控制、分析和改善以及發電的管理配備有冗餘計算機系統以及abb網路管理器scada / ems軟體。It was attempted to let the magnetic circuit of electromagnetic thrust hearing system being simulated as an equivalent network of electric circuit, and through analyses on series and parallel electric circuits the explanation and summing up the result of finite analysis were carried out
嘗試將電磁推力軸承系統的磁路模擬為等效的電路網路,通過串、並聯電路分析,對有限元分析結果進行?解釋和歸納。This paper analyses model and control system of upfc and tcsc, and respectively completes interface with network, upfc using equivalent load decoupled algorithm and tcsc using compensation algorithm. by programming software, transient stability computation for power system containing facts devices can is realized. the correctness and effectiveness are proved using numerical example in the modified epri - 36 bus system
本文詳細分析了facts元件中upfc 、 tcsc的模型和控制系統, upfc採用等效負荷解耦演算法, tcsc採用補償法分別實現了與電力網路的介面,通過編制相關程序,實現了混合系統中含upfc 、 tcsc的暫態穩定計算,並以修改過的epri - 36節點系統為例,驗證了該演算法的正確性和合理性。This article analyzed the three - phase full - controlled bridge commuted circuit 、 the three - phase half - controlled bridge commuted circuit and the harmonic occurred by the two circuits. through the analysis to the relative merits of the passive filter and active filter, a new applied harmonic current compensation device was presented in this article
三相整流裝置是廣元電力網兩大諧波源之一,本文詳細地分析了三相全控、半控橋式整流電路及其產生的諧波,在此基礎上,對其諧波的抑制進行了探討。Seismic safety assessment method and flow load control problem of power system are discussed deeply, and the remarkable criteria of current under normal process and system network model are suggested
摘要對電力系統的地震安全性分析與負荷控制問題進行了深入研究,建立了系統正常運行情況下各支路的負荷電流的評價準則和電力系統的網路分析模型,分析了傳統潮流分析方法的優、缺點。分享友人