電網繼電器 的英文怎麼說
中文拼音 [diànwǎngjìdiànqì]
電網繼電器
英文
network relay- 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...
- 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...
- 繼 : Ⅰ動詞(繼續; 接續; 接著) continue; succeed; follow Ⅱ副詞(繼而) then; afterwards
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 電網 : electrified wire netting; live wire entanglement; power grid電網電源 electric network source; 電...
- 繼電器 : [電工] electric relay; relay
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Ngn can provide abundance next generation network businesses. the software designing and implementation of softswitch trunk call server cst is the research content of this subject. the cst can provide the class 4 switch function for various access networks
本課題的研究內容就是軟交換中繼呼叫服務器cst的軟體設計和實現,使其能夠把多種不同的網路匯接入ip骨幹網路,重點實現傳統的pstn電話網的改造。This can be seen in the enhancement of exchanging capacity, the replacement of 2mbits trunking interface by sdh stm - 1 or the integration of data processing module with the data voice gateway and the dial - in access server with the adsl module. it is also no surprise to see the co - existence of ps and cs modules or an all - round ps layout on the exchanging part
Pstn交換機發展的主要方向是:提高交換處理能力,直接提供sdhstm - 1介面來取代2mbits中繼介面,集成數據業務處理模塊及數據話音網關,集成撥號接入服務器及adsl模塊,加入分組交換模塊與電路交換共存或者用分組交換完全替代電路交換等。Finally this paper propose the structure diagram of adaptive distance protection based on neural network impedance relay, which describes entire logic procedure from data acquisition unit to trip unit
最後提出基於神經網路阻抗繼電器的自適應距離保護結構框圖,描述從信號採集單元到動作出口單元的整個邏輯過程,並對自適應距離保護的前景作出展望。For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described
在總線電纜的安裝方面,著重討論了電纜的選型原則、安裝方法和抗噪防擾措施;在安全保護設備安裝方面,介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式(實體概念和fisco模型)下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法;在網路元件的安裝方面,主要列舉了通用終端器、中繼器、鏈路設備、總線電源及其阻抗模塊等的選擇、安裝和集成方法,為總線系統的安裝提供了可以借鑒的實用經驗。F - mpc60b digital multi - function relay, it itself combinates the functions of protection, operation, metering, monitor and transmitition, which needed by h. v. switchgear panels, adopting the communication interface rs485, so it is easy to be connected to computer net or intenet
Mpc60b型數字型多功能繼電器是將高壓輸變電設備所需的保護、操作、計測、監視、傳送功能集於一身,採用rs485通信方式,可以很容易地與上位計算機聯網。The fact that this console integrates the detection and management of the relays with computers make is possible for the electronical departments of the railway to improve their management level of and it also offers the basis for their future network management
尤其是運用計算機技術把繼電器的測試與管理融為一體,這是與其它檢修設備的不同之處,提高了鐵路電務部門的管理水平,為下一步實現電務部門網路化管理打下基礎。A complete solution provided by schneider electric to be involved in this project at the upstream phase, schneider electric supported the main oem & contractors as a team work. as a key supplier, schneider electric provided the mv, lv components, transformers, plc, speed driver, push buttons, contactors, relays, miniature circuit breakers, switches and so on
作為主要的電氣及自動化產品供貨商,施耐德電氣公司提供了中壓環網櫃、低壓空氣斷路器、電容器、乾式變壓器、配電及照明母線、可編程式控制制器、變頻器、軟起動器、接觸器、繼電器、開關、按鈕及指示燈等等。In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on
本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題,在此基礎上,從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性,並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋;本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案,即由用戶終端、集中器和電能管理系統所組成的網路系統,其中,用戶終端到配變集中器用低壓電力線作為通道,中間無需其他硬體中繼設備,集中器到電能管理系統用公用電話網作為通道。The tests show that the neural network impedance relay has good function to anti fault resistance and adaptability to variation of system condition
經測試該神經網路阻抗繼電器具有良好的抗過渡電阻功能,且能自適應于系統工況的變化。Moreover, the communication - capable voltage relay can realize remote control, remote - adjust and remote - information
另外,可通信電壓繼電器能與其它元件組成網路以實現遙控、遙調、遙信。Moreover, it has function to fault phase identification and fault distance measurement
另外,該神經網路式阻抗繼電器還具有故障選相和故障測距的功能。Using these samples, this paper form an impedance relay scheme based on back propagation neural network under the condition of one side source and two sides source respectively. after the training of neural network this paper obtain the action characteristic of impedance relay
利用得到的樣本分別構成在單電源和雙電源情況下的基於bp神經網路的阻抗繼電器方案,對神經網路進行訓練,得出該阻抗繼電器的動作特性。According to the standard of can agreement the message agreement for the system has been designed. whose design thinking and its realizing way of the three kernel parts ( can kard ^ can oriented object and field communicatioan interface moudule ) in the system have been given. it is applied by the oriented subject technigue, and through the analyses of ststic characteristic, and dynamic characteristic of the equipment, the configuration tool category has been gotten to complete the configuration to equipment
系統通過傳輸介質把監控中心和現場通信介面模塊掛接在can總線上,組成一個控制器局域網路,從而實現對各種在線通信電源設備的分散控制、統一管理;根據can協議的規范設計了系統的通信協議,給出了系統中三大核心部分( can適配卡、 can中繼器和現場通信介面模塊)的設計思路和實現方式,並給出了相關硬體電路的結構框圖以及軟體設計流程圖;運用面向對象技術,通過對設備的靜態特徵和動態特徵的分析,得到其組態工具- -類,完成對設備的組態。With its excellent stability and powerful functions, plc is now widely used in manufacture industry, electric power field, traffic field and etc. many old types of equipment adopts the control system with circuit boards and relays, it ' s in dire need of a new control system to updating the old one
可編程式控制制器( plc )是以繼電器邏輯控制系統為基礎,逐步發展為以處理器為中心,同時具有各類運算、控制、網路等功能的控制系統,憑借良好的穩定性和強大的功能,使得在製造工業、電力、運輸等領域有著廣泛的應用。The system was successfully used on the network management information system of the college of continuing education of guangdong university of technology and will be used on guangzhou wangfujin electronic commerce system and guangdong electronic appliances market electronic commerce system
系統已經成功應用於「廣東工業大學繼續教育學院網路管理信息系統」 ,也將在「廣州王府井電子商務系統」 、 「廣東電器市場電子商務網站系統」中使用。The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load
本文在場效應管fet柵極上加上諧振網路(諧振網路是通過cst模擬得到的,它是串聯反饋迴路,介質工作在te01模,對于其後的fet ,它又相當於一個帶阻濾波器) ,然後設計輸入輸出匹配電路,使電路結構滿足起振條件,之後繼續用諧波平衡法模擬和優化,使振蕩器輸出功率合適,相位噪聲很低。But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose
然而,現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性: ( 1 )面向現場的戶外饋線終端ftu運行環境惡劣,承受強的電磁、雷電干擾,並且由於繼電器節點故障、 ftu元器件損壞等因素的存在,使得配電網信息受干擾、畸變的可能性較高; ( 2 )在信號傳輸及變換過程中,通訊裝置的故障等原因,也可能導致信號出錯甚至丟失; ( 3 )保護裝置和斷路器本身也有可能誤動或拒動。The effect of dg on the relay protection and automation of the distribution network is discussed in the aspects of 3 - sectional current protection based on circuit breakers, feeder protection based on reclosures, and distribution network automation protection based on ftu
針對基於斷路器的三段式電流保護、基於重合器等自動化電器的饋線保護以及基於ftu的配網自動化保護方案,探討了分散式發電對配電網繼電保護以及自動化的影響。This paper is based on the study actuality of vsc and the new requirements from the practice for the theory of vsc, active power line conditioner and mathematic model of a traditional servo motor with relay are studied and discussed, at last the research outcomes are given
本文根據變結構控制理論的研究現狀以及工程應用對變結構控制理論研究所提出的新要求,對有源電網調節器和一類傳統的帶有繼電器型的伺服電機模型進行了深入研究和探討,並給出了相應的研究結果。Active power filter ( apf ) is much more advanced than passive power filter to restrain this pollution effectively
為了解決電網污染問題,有源電力濾波器已經日益成為繼無源濾波器之後的更為先進的電網濾波器裝置。分享友人