communication system protection 中文意思是什麼

communication system protection 解釋
通訊系統保護
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  • 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 ...
  • protection : n 1 保護，保衛，防禦，掩護，包庇，照顧 （from; against）。2 保護者，防護物 （against）; 〈美俚〉...
  1. It integrates the functions of servo amplifier, dynamic operator, position transmitter and remote communication. many new functions have added to its original ones, such as the real - time logical judgment, malfunctions self - diagnosis, alarm & protection, led display, on - line setting and adjustment of functional parameter and position transmitter, power - absence data auto - protection, watchdog system protection, and the long - range communication with pc

    系統集伺服放大器、電動操作器、位置發送器及遠程網路式通信功能於一體，在保留對應部分原有功能的同時，還新增了邏輯實時判斷、故障實時監控、 led動態顯示數據、功能參數設置、掉電數據自保護、 「看門狗」電路保護、位置發送器在線調節、與遠程工控機數據通信等眾多功能。
  2. This bus wire connect the long - distance equipments in system and control equipment of other manufacturer. especially, the adoption of control word used in communication and control reduced the quantity of control cable, also. the good treatments of grand and protection has a every strong capability of anti - jamming

    該總線通過相應的通訊模塊，與系統內的遠程控制設備以及其他廠商的單機控制設備相連，採用控制字的方式進行通訊和控制，可節約大量控制電纜，並且通過良好的接地處理和保護，具有極高的抗干擾能力。
  3. 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。
  4. The lightning resisting level of microelectronic device, the property of tvs diode and solid - state discharge triode, three grades protection for power source device, grounding and shield requirement for communication system to protect lightning and the lightning troubles in recent years at hubei electric power company were introduced

    摘要介紹了微電子器件耐雷水平、新型防雷器件tvs管和固態放電管的特性、電源裝置的三級保護、通信系統防雷接地與屏蔽的有關要求和湖北省電力公司通信系統中近幾年雷害情況。
  5. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源濾波器的控制系統、諧波檢測方法及控制原理、數字低通濾波器和pwm信號的產生，在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾波器硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。
  6. A new low voltage distribution integrated automation system based on can ( controller area network ) communication networking is proposed in this paper. and the distributed protection and monitoring unit is researched and developed

    本文提出了一種基於can （控制局域網路）通信網路的分散式面向對象的低壓配電自動化系統的結構，設計和開發了應用於低壓配電自動化系統底層的分散式保護和測控單元。
  7. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術，可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號，具有較高的整體性能。
  8. Question 31 : can the present situation of hongqiao comprehensive communication hub such as population roads, construction density, water body / water conservancy, sewage system, rain water system, urban communications system, cultural relic protection, water, electricity and gas supply involved in 《 soliciting documents 》

    可否給出《徵集文件》中涉及的虹橋綜合交通樞紐的現狀情況，諸如人口、道路、建築密度、水體/水利，污水系統、雨水系統、城市通信系統、文物保護、水電煤氣等等？
  9. Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways

    重慶高速公路聯網收費數據通信網的結構是根據高速公路的物理結構構築了2環8射的網狀結構，建立了以sdhstm - 4 （可升級到stm - 16 ）的傳輸主幹層，以sdhonu / oltstm - 1 （可升級到stm - 4 ）組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip路由交換網，形成了結算中心-路段管理公司-收費站之間的3級計算機網路結構。為從通信網路上保證收費數據的原始性和可靠性，每個收費站和結算中心、路段管理公司之間建立了2m迂迴鏈路，同時在收費站和結算中心之間建立了pstn的撥號備份鏈路。
  10. Consequently, it is strongly recommended that freedom in communication be put into the civil right protection system and be paralleled with secrecy in communication

    認為通訊秘密具有特定性、秘密性、價值性和合法性的特徵，是隱私權的下位概念，法律對隱私權的保護同樣適用對通訊秘密的保護。
  11. A new experimental and training system with modular hardware and software is introduced in this paper based on the research and analysis of the principle, structure and realizing method of microprocessor relay protection and safety automation equipment and the constitutes of cut - up arrangement substation integrated automation at home and abroad whose function includes relay protection experiment, such as current protection, distance protection and so on, and substation integrated automation experiment etc. the structure and function of the experimental and training system are introduced in detail, the principle and function of the hardware section are analyzed, and the method of software designing and programming is concisely set forward. in this paper, a new communication mode between computer and the rs - 485 bus and the can bus by using the computer ' s epp port and an effective method of software ' s remote downloading are brought forward

    論文在研究和分析了國內外微機保護和安全自動裝置的原理、結構和實現方法以及分散分散式變電站綜合自動化系統構成的基礎上，開發了一種硬體和軟體模塊化，能實現電流保護、距離保護、故障錄波等多種繼電保護和安全自動裝置功能以及變電站綜合自動化功能的實驗培訓系統，詳細介紹了整個實驗培訓系統的結構和功能，分析了硬體部分的原理和作用，還簡要闡述了整個軟體編制的大體方法，並提出了一種利用計算機的epp口實現上位機與rs - 485總線和can總線通信的新型通信方式，提出了一種利用psd913f2的雙flash的特點進行軟體的遠程在線下載的方法。
  12. The experimental result of the system has shown that the correct performance rate of relay protection is 100 %, the performance of safety automation equipment is normal, and the communication system satisfied the demand of data transmission

    製作的樣機實驗結果表明繼電保護正確動作率百分之百，安全自動裝置功能運行正常，通信系統滿足數據傳輸的要求。
  13. This paper is about the study on the debugging and maintenance of substation automation system the author analyzes and compares the present debugging interface of microprocessor - based protection relays through summarizing the debugging and maintenance of routine substation automation system ， indicates the advantage of software debugging interface based on the pc in allusion to the characteristics of the distributed substation automation system ， the author presents the design idea of programming the debugging software for the intelligent devices ， the monitoring station and the communication network based on the object - oriented programmable technology this method may simplify the workload of debugging and maintenance of substation automation system greatly ， shorten the time limit for building and debugging of substation automation system and improve the security and the stability of system ， therefore it is of great useful value

    作者通過歸納總結常規變電站自動化系統的調試方法和維護手段，分析比較了現有的微機保護調試界面，指出了基於pc機的軟體化調試界面的優越性。針對分層分散式變電站自動化系統的特點，提出了利用面向對象編程技術，編制間隔層智能裝置和變電站層監控系統及通訊網路層報文監視的智能化調試軟體的設計思想。該方法可大大簡化變電站自動化系統的調試和維護工作量，進一步縮短變電站自動化系統的安裝調試工期，提高系統運行的安全性與穩定性，具有很大的實用價值。
  14. Furthermore, performance of fft arithmetic and dsp + dsp, double cpus, hardware structure have improved computational speed and measure precision of the monitoring system. in the protection system, the iniegrated dft arithmetic enhances the accuracy and reliability of protection execution. by communication several devices can run online to be cofltfolled dispersedly and managed centrally

    測控部分率先實現了底層裝置128點快速傅立葉演算法（ fft ） ，提高了計算速度和計量精度；保護部分採用24點離散傅立葉演算法（ dft ） ，增加了保護動作的準確性和可靠性；通過通訊可實現多臺裝置聯網運行，做到「分散控制、集中管理」 。
  15. We implement the function of data replication in relation database system and spatial database system, design the data replication solution project in guangzhou fire protection and communication system

    基於研究內容，在試驗系統中實現了關系數據庫和空間數據庫的數據復制功能，提出了在廣州消防通信指揮系統中的復制解決方案。
  16. With the development of computer technology and communication technology, based on the wide - area measurement system ( wams ), the wide - area protection ( wap ) technology has been developing continuously

    摘要隨著計算機技術和通信技術的發展，基於廣域測量系統的廣域保護技術不斷發展。
  17. Inter has a quality and rich experienced in management and technolofy staff team. it is the exclusive distributor or dealer for some of famous security brands in electronic anti - burglar alarm system, fire protection system ， cctv system, fiber optic communication system and policeequipment. inter has the farthest & widest sale and service network throughout the china, and it implements the 3rdparty logistics and 3rdparty services in the industry firstly so as to provide more conveniences and faster service to the customers

    公司有一批高素質、經驗豐富的管理和技術人才，擁有世界著名的幾大防盜、防火、閉路電視監控系統、光纖系統以警用器材生產商在中國的獨家代理及經銷權，建立了遍及中國各主要城市的強大的銷售服務網路，並率先在行業內實現第三方物流服務，因而能為客戶提供更全面、準確、便捷、到位的服務。
  18. Automatic train protect system has several functions in train automatic protection ; decentralized automatic train control system has a remarkable ability in autonomous decentralization ; while advanced train administration system integrates modem communication technology, makes the train to detect the location and the approaching distance of other trains by using its own wireless communication

    研究了軌道交通列車剎車系統能有效防止列車正面沖撞的原理；分析了軌道交通列車自動保護系統具有列車自動保護的諸多功能；論證了軌道交通列車分散式自動控制系統的功能結構與技術特點。
  19. The computer mainly realizes the functions of long - range supervision and management and it includes : real time data communication, running state monitoring, history data save and print, error alarm, etc ; the industry computer system mainly compulish data acquisition and signal setting during the experiment and finish data storage and management ; the plc control system mainly accomplishes the on - off input and output, it accomplishes timing control, checks the status and carries the over - voltage and over - current protection ; except for acquiring experiment data, intelligent control instruments also have the function of errors diagnose and communication

    上位計算機的任務是實現遠程監測和管理，主要進行實時數據通信、運行狀態監視、歷史數據存儲與列印、故障報警等；下位工業控制計算機主要用於實驗數據採集和參數預置； plc控制系統主要完成開關量和部分模擬量的輸入輸出，實現系統運行的時序控制狀態巡檢和過載保護；智能監控儀器除獲取現場參數外，還具有故障之診斷和通信功能。
  20. The experimental and training system integrates many kinds of microprocessor relay protection and the substation integrated automation experimental and training functions into a union, which has the characteristics of complete functions, simple manipulation, friendly interface, diversified communication manner, and configuring the substation structure flexibly. it is a kind of initial high - tech teaching, experimental and training equipment at home

    多功能微機保護與變電站綜合自動化實驗培訓系統將多種微機保護實驗和變電站綜合自動化實驗培訓融為一體，具有實驗功能齊全、操作簡單、界面友好、通信方式多樣化、可靈活配置變電站結構的特點，是國內首創的高科技教學實驗培訓設備。
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