電力網保護 的英文怎麼說
中文拼音 [diànlìwǎngbǎohù]
電力網保護
英文
network protection- 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...
- 保 : Ⅰ動詞1 (保衛; 保護) defend; protect 2 (保持) keep; preserve; maintain in good condition 3 (...
- 護 : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
- 電力網 : [電工] (供電系統) mains; power network
- 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
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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 main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。Our main products are micro barometer low pressure gauge low pressure capsule gauge vacuum pressure with low pressure gauge pressure gauge with electrical contact shock - proof electric contact gauge stainless steel pressure gauge dry and glycerin filled pressure gauge normal pressure gauge freon pressure gauge oxygen - acetylene pressure gauge stainless steel vacuum pressure gauges series diaphragm seal pressure gauge diaphragm pressure gauge with electrical contact pp diaphragm seal pressure gauge shock - proof pressure gauge with electrical contact diaphragm seal pressure gauge explosion - proof electric contact pressure gauge minitype pressure gauge accurate pressure gauge test pressure gauges as well as pressure gauge switch pressure separator tube pressure gauge radiator double - metal thermometer all the products can meet both national and international stands,
一般壓力表氣壓表抗震壓力表充油壓力表全不銹鋼壓力表膜盒微壓表電接點壓力表冷媒壓力表真空壓力表壓力真空表隔膜壓力表微型壓力表差壓表微差壓表絕壓表精密壓力表耐高溫壓力表蒸氣壓力表汽車燃氣壓力表醫用壓力表遠傳壓力表衛生型壓力表壓力表緩沖管壓力表冷凝散熱器壓力表翅片散熱器壓力表開關不銹鋼連接彎管不銹鋼連接軟管轉換接頭油壓連接頭壓力表針閥節流閥及過壓保護附件濾油網加油口油溫油麵計雙金屬溫度計等。It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test
加熱管選用耐高溫氧化鎂作絕緣介質,不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理,形成一種特殊的氧化層,提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高,熱輻射能力強。產品經長達3000h的壽命試驗后,仍能正常工作,安全性能好。Series reactor is applied to ac power system with rated voltage of 6kv - 63kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation. it can restrain harmonic current and surge current in capacitor banks so that the capacitor will operate reliably
Ckdk型串聯電抗器,適用於6 63 kv電力系統中,與並聯電容器相串聯,用以抑制電網電壓波形畸變,從而改變電網質量和保證電力系統安全運行抑制流過電容器組的諧波電流和限制合閘涌流,從而保護電容器的安全可靠運行。Dry - type air - cored series reactor is applied to ac power sys - tem with rated voltage of 6kv 10kv 35kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation
乾式空芯串聯電抗器適用於6kv 10kv 35kv電力系統中與並聯電容器組串聯,用於抑制電網電壓波形畸變,從而改善電網質量和保證電力系統安全運行,抑制流過電容器組的諧波電流和限制合閘涌流,從而保護電容器使之安全運行。The core products include telecom power systems, board mounted power supplies, custom power supplies, ups, precision air conditionings, outdoor shelter solutions, automatic transfer systems, network power protection products, vrla batteries, lv & precision distribution cabinets, centralized power and environment monitoring systems, dc power systems and ac motor drive inverters used in electric utility power systems
艾默生網路能源產品涉及通信電源、印刷板板裝電源、客戶定製電源、 ups 、機房專用精密空調、戶外一體化通信機櫃、自動切換開關、動力網路保護產品、蓄電池、低壓配電和精密配電櫃、動力設備及環境監控系統、電力操作電源、交流變頻調速器等領域。The factory has possessed advanced production equipments and wire cable check equipment at domestic. first class technology will provide you wire cable with fluorin polymer used in in aviation spaceflight, electric cables, control cables, computer cables, compensatory wire cables, fire - proof cables with high temperature, general plastic cables that classified into sixteen species and over one thousand specifications. cables for " hongyuan " brand are widely used in the fields of spaceflight, national defence, electric petroleum chemistry, steel, public establishments, environmental perfection and architecture. temperature - proof cables with " hongyuan " brand were awarded with famous products in 2001 which are widely sold all through the world and have been won customers trust
一流科技力量為您提供航天用含氟電線電纜電力電纜耐熱防腐硅橡膠電纜耐高溫電纜控制電纜計算機網路電纜補償用電線電纜船用電纜橡套電纜阻燃防火電纜等十六大類,一千多種規格產品,並可根據擁護特殊要求,自行設計生產,以滿足顧客要求,多年來「宏源」牌電線電纜廣泛用於航空航天國防軍工電子原件電力石化鋼鐵冶金公共設施環保建築等領域,深受廣大用戶高度評價和信賴。Model gdl1, 2 compact low voltage complete switchgear is suitable for use in ac 50 - 60hz three - phase five - wire election net as power, lighting, electic energy changeover, protection and control in genegration, transmission and distribution systems. it also can be used in warship, oil prospecting and nuclear power stration
2低壓成套開關設備適用於交流50 - 60hz ,三相互線制電網,用於發電、輸電、配電系統中最為動力、照明、電能轉換、保護控制之用,還可用於艦船及海上石油勘探和核電站。Relay protection measures of 6 kv transmission network for coal mine
電力網的繼電保護措施探析The ability of power network maintaining its power supply reliability and quality is restricted by power network structure, line and load characteristics, generator drive device characteristics and relay protection mechanism
電力網路維持其供電可靠性及電能質量的能力是受電網結構、線路和負荷特性、發電機動力設備特性以及繼電保護機制等因素影響的。Internet, which is called a technology revolution, has greatly impacted our legal life. in this thesis, i focus on the legal institution of intellectual property on a background of electronic commerce, including copyright law, trademark law and patent law
網際網路技術和電子商務給我們的法律生活帶來了巨大的沖擊,使他人對權利的侵犯變得更為容易,同時一些新型的智力產品也需要得到法律的認可和保護。Water stabilizer production, marketing ; concrete additives, efficient jianshuiji production, marketing ; computer hardware and software and peripherals sales and maintenance, consulting, training, services ; up computer engineering, network engineering ; computer power systems protection ; automation equipment development, marketing
水質穩定劑生產、銷售;混凝土添加劑、高效減水劑生產、銷售;計算機軟硬體及外圍設備的銷售及維修、咨詢、培訓、服務;承接計算機工程、網路工程;電力系統微機保護;自動化設備開發、銷售。It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation
本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。The amount of relay protection setting is increased along with rapid devejopment of power network and increase of the amount of power network node. so the stand - alone computer, g / s modes have not been satisfied the need of developing power system. it is necessary that let the related computers to work out the fault of power system in time
隨著我國電力事業的快速發展,電網大規模擴建,使各級電網節點數量不斷增加,這大大增加了繼電保護整定計算量,而故障計算占其絕對的比例,因此基於單機版和c s模式的電網故障計算軟體已經或即將不能滿足電網擴建的要求,必須讓多臺連網的計算機同時進行故障計算。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。It is hence important to develop a kind of new intelligent protection system with wonderful performances used in flameproof switchgear which can not only improve the supply quality of underground hv distribution system but also perfect its protective properties, especially can prevent the underground from gas explosion and guarantee the operating safety for underground worker
長期以來現場所使用的這種開關載流能力小、保護簡單、故障率高,直接影響礦井供電的可靠性、安全性和連續性,因此研究高性能的6kv防爆開關綜合保護系統對提高供電質量、保障人身安全,完善電網保護不僅具有重要的現實意義而且具有較高的經濟價值。For current misoperation cause of microcomputer relay protection, the paper introduces the technology of scattered arrangement protection to improve anti - inteferance ability, the usage of computer digital communication technology to enhance fault diagnostic function of micro computer protection device and outside circuit and decrease bad contact of contactor and terminal which may cause ralay misoperation, establishment of electrical protection remote management network to realize maintenance under condition
針對目前微機保護不正確動作的原因,提出了採用保護分散布置技術,提高抗干擾能力;應用計算機數字通信技術,增強微機保護裝置及外聯迴路的故障診斷功能及減少接點和端子接觸不良引起的保護不正確動作因素;建立電網保護管理遠程網路,實現「狀態維修」 。The fast development of the electric power industry makes the scale of power network larger and larger, and its network more complex. the result of this is that the power network becomes a complex multiloop network, in addition to the variety of operation and the interleaving of voltage grades. such these situations bring forward much difficulty to the calculation and management by traditional manual operation of relay protective settings
隨著電力系統的飛速發展,電網規模日益擴大、網路結構日趨復雜,網路呈現各種接線並存的復雜環網,再加上系統運行方式的變化多樣,各種電壓等級互相交錯,都給現有的傳統手工作業方式的電網保護整定計算和定值管理帶來了很大困難。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。分享友人