power system technology 中文意思是什麼

power system technology 解釋
電網技術
  • 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...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  • technology : n. 1. 技術,工程,工藝。2. 製造學,工藝學。3. 術語(匯編)。
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  2. The company is the electric member unit of enterprise " s federation of china ; member unit of construction technology branch of special committee of power transmission and transformation of chinese electrical engineering society ; national vltrahigh voltage give switchyard construction technical information unit and national power system, net explorer of network, to transmit power professional operation job unit, net explorer of network

    公司為中國電力企業聯合會會員單位;中國電機工程學會輸變電專委會施工技術分會會員單位;全國超高壓送變電施工技術信息網網員單位及全國電力系統送電專業運行工作網網員單位。
  3. This article has studied the deficiency and shortcoming of various kinds of methods of the parameter measurement of transmission line at present, proposed the measurement under operation on the basis of gps, researched gps application way and error that may appear in the power system synchronal sampling, put forward the parameter computing technology based on the information of both sides of transmission line, which solved some problems that exist in the parameter measurement, especially the problem that exist in the zero - sequence parameter measurement of transmission line with mutual inductance

    本文研究了目前輸電線路參數測量的各種方法,分析了其中存在的不足和缺點,提出了基於gps的輸電線路參數在線測量方法,研究分析了gps在電力系統同步采樣中的應用方式以及可能出現的誤差,在同步采樣的基礎上提出了基於雙端信息的線路參數計算方法,較好地解決了輸電線路參數測量中存在的一些問題,尤其是多回互感線路零序參數測量困難的問題。
  4. New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized

    論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。
  5. Thyristor controlled technology of tide flow in electric power system

    電力系統潮流的晶閘管控制
  6. With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced

    近年來,隨著電力電子技術與器件的迅速發展,使用dc dc高頻變換技術代替工頻升壓,系統具有較高的功率密度與轉換效率,裝置體積、重量與交流噪聲大大減小。
  7. This paper combines the charicteristic of heilongjiang province power system such as supply exceeds demand, heating cycle in winter is long, arcola and personal heating is too much, air pollution is serious ect to rearch the realization machinism of electricity heating technology and actulization technology of electricity heating or heat storage

    本文結合黑龍江省電力系統略有供過于求,冬季採暖周期長,小鍋爐及個人採暖多,空氣污染嚴重的特點,對電加熱採暖技術的實現機理和電(蓄熱)採暖的實施技術進行了較深入的研究。
  8. To describe the development trend of metallurgical automation equipment in the aspects of system technology, measurement instrument, artificial intelligence application and power electronic technology at the beginning of 21st century and puts forward the strategy for promoting the development of metallurgical automation equipment technology in china

    闡述了下世紀初葉冶金自動化裝備在系統技術、檢測儀表、人工智慧應用和電力電子技術等方面的發展趨勢,提出了發展和促進我國冶金自動化裝備技術和工程承包能力的對策。
  9. Study on the critical technology of information security protection for electric power system

    電力系統信息安全防護關鍵技術的研究
  10. The third generation of scada, based on the technology of distributing computer net and relation data base, could realize the large - scale internet connection, which is currently applied in data collection, surveillance control and processing control in the fields of electric power system, water supply system, petroleum and chemical industry etc. the fourth generation of scada would adopt the internet technology, object oriented technology, neural network as well as java technology as its main development tendency, aiming at enlarging the integration of scada and other systems, which could finally meet the needs of business management and integrated security economic circulation

    現在的基於分散式計算機網路以及關系數據庫技術的能夠實現大范圍聯網的第三代scada系統被廣泛應用於電力系統、給水系統、石油、化工等領域的數據採集與監視控制以及過程式控制制等諸多領域。第四代scada系統的主要發展趨勢是採用internet技術、面向對象技術、神經網路技術以及java技術等技術,繼續擴大scada系統與其它系統的集成,綜合安全經濟運行以及商業化運營的需要。
  11. In the brief introduction to geographical information system ( gis ), this dissertation proves that by combining reliable management with gis technology, presents a method which built the power structure model and math calculation model by using spatial data in a good interface between computer and user. this dissertation makes a number of target for calculating the distribution system, mainly aimed at circumstances which have an effect on power station repair, switch breaker, type of t connection, and double lines supply via the usage of system reliability calculation. at the same time, it provides the projected estimatio n when power station or transmission line will be added into the power system, and furnishes the theoretical information that the professional needs for power structure programming, design and equipment management

    通過建立輸變電設施管理信息系統( mis ) ,真實地反映出油田電網輸變電設施的運行管理現狀,為網路可靠性計算提供可靠的計算依據;在簡述地理信息系統( gis )技術的基礎上,論證了可靠性管理與電力gis技術結合的可能性,創立了在簡潔的人機圖形界面下利用空間數據建立網路結構模型及可靠性計算模型的方法;通過建立網路可靠性計算系統,進行了計及變電所檢修影響、切換開關、 t接點及雙回線供電情況下的可靠性指標計算分析,對油田電網及變電所(線路)的改(擴)建方案、增強性措施及接入系統的可靠性給予了工程評估,為電網規劃、設計及日常的設備管理提供分析決策依據。
  12. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  13. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  14. The third part is based on the former two parts, under the context of space power resources technology, designs and improves human resources management system and efficiency assessment system, so as to farther improve the management efficiency and fully explore the potential in the running of the company

    第三部分是在前兩部分基礎上,結合航天電源科技進行人力資源管理系統、績效評價體系的設計提高管理績效、挖掘潛力促進企業的經營。第四部分對系統運行情況進行評估,同時反映人力資源管理在西部落後地區的意義。
  15. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電站自動化水平著眼,對變電站電壓無功控制應用方面的問題進行了研究,本文首先簡要回顧電壓無功控制的發展概況,著重指出了現有電壓無功控制裝置的缺陷;通過理論分析,在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理,給出了變電站電壓無功的控制規律;考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響,針對電壓、無功的各種運行控制區域給出了相應調節策略。
  16. The distribution network automated system ( das ) is a management information system, including computer software and hardware technology, the computer network technology, the automatic control technology, the data communication technology and electrical power system technology, and it is utilized to acquire the data from power distribution network, monitor operation, position breakdown fast, isolate the failure, restore the power supply and administrate need, what ’ s more, it reduces the time of power cut effectively, improve the reliability and quality of power supply

    配電自動化系統( das )是集計算機軟硬體技術、計算機網路技術、自動控制技術、數據通信技術及電力系統相關技術於一體的信息管理系統,為配電網路的數據採集、運行監視、快速故障定位、故障隔離、供電恢復以及需求側管理等提供了有力的技術手段,能夠有效地縮短事故停電時間、提高供電可靠性、改善供電質量。
  17. As one of important components of relay protection, automotive reclosing device plays an important role in guaranteeing security, stability and economical running, etc. adaptive single - phase reclosing based on intelligent control is a new sort of protection principle, which develops with the advancement of power system technology and the progress of intelligent control theory

    自動重合閘裝置作為電力系統繼電保護裝置的重要組成部分,它在保證系統安全、穩定和經濟運行等方面起著非常重要的作用。智能式自適應單相重合閘是隨著電力技術的進步、智能控制理論的發展,為了滿足對電力系統自動重合閘所提出的更高要求而產生的一種新型的保護技術。
  18. Direct research work on power system technology

    負責指導電力系統技術領域的研究工作。
  19. Hui xue. a novel algorithm for harmonic measurement in power system. power system technology, 2002. proceedings. powercon 2002. international conference on. vol. 1, oct. 2002 pages : 438 - 442

    周軍,雙速率同步采樣法在電力系統諧波測量中的應用,計量學報,第20卷,第2期, 1999年4月
  20. The distribution automation system is an information management system based on computer technology, automation control technology, data communication technology and correlative electric power system technology

    配網自動化系統是集計算機技術、自動控制技術、數據通信技術以及相關電力系統技術於一身的信息管理系統。
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