電線保護裝置 的英文怎麼說
中文拼音 [diànxiànbǎohùzhuāngzhì]
電線保護裝置
英文
wire protector- 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 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
- 裝 : Ⅰ名詞1 (服裝) dress; outfit; attire; clothing 2 (演員的化裝品) stage makeup and costume Ⅱ動詞...
- 置 : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
- 電線 : (導線) wire; electric wire; current lead
- 裝置 : 1 (機器設備的配件)installation; device; apparatus; equipment; arrangement; gear; appliance; rig...
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But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs
針對國內目前中、低壓電網大都未裝設母線保護裝置,發生故障不能及時切除時造成很大損失的狀況,本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上,提出了一套適合中、低壓微機母線保護裝置的研製方案,並據此選擇、搭建了硬體平臺,設計了軟體功能程序。In verifying of relay protection sensitivities, a network portioning method combining with graphic interface is proposed. it can online track the varieties of network, accordingly it can satisfy real - time and emulation analysis of topological configuration. with the real - time network configuration and nodal admittance matrix analyzed, the short - circuit calculation is carried out ; by means of an expert system, the verification of protection sensitivities has been achieved
在網路拓撲在線快速跟蹤基礎上,進行實時結線分析並形成導納矩陣,同時將短路計算的理論運用於在線,將獲得的在線短路計算的結果同專家系統相結合進行保護靈敏度的在線校驗,最後通過友好的人機交互界面提供整個城市電網全部投運保護裝置的保護靈敏度狀況。Uitra - high voltage transmission line distance protection equipment
超高壓輸電線路距離保護裝置Based on researching the function of every kind of eliminating arc loop, new concept was brought up in this paper, and the protective device for eliminating arc and overvoltage was researched and manufactured. when the arc light connecting the ground emerges, the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly
本文在研究各種消弧線圈的基礎上,提出全新的概念,研製出了消弧及過電壓保護裝置,該裝置在出現弧光接地時,通過單片機綜合控制器控制一組可以分相操作的真空接觸器,使故障相接地,達到徹底消除弧光的目的。Adopted advanced computer chip and digital technology, back - curve engineering, multiple choices of massage and modes, easily operated, uniquely movable shaking massage points, automatic time - set, built - in device for over - heat load protection
採用先進電腦晶元和數碼控制技術,依據人體背部曲線,多種按摩選擇,百種按摩手法,操作簡便,獨特的行走震顫式按摩手,電腦自動定時,內置過熱過載保護裝置。Adopt modern technology and advanced computer chips, body curve engineering, humanized designed, multiple emulated transducers, thoroughly massage the body, automatic time - set, built - in over - heat load protection devices, concept a new field of healthy massage
採用先進電腦晶元和數碼控制技術,依據人體背部曲線,人性化的椅背設計,多個模擬按摩傳感器按摩全身穴位,電腦自動定時,內置過熱過載保護裝置,開創健康按摩新概念。Mine electrical : integrated automation intelligent switch controller ; mine explosion - proof type intelligent combine switch ; mine power center ; mine vvvf devices ; automation system : mine hoist automation system ; coal preparation plant automation system ; drilling machine control system ; lines of motor vehicles and power leakage protection devices, etc
礦用電器:綜合自動化智能開關控制器;礦用隔爆智能組合開關;礦用動力中心;礦用變頻調速裝置等;自動化系統:礦井提升機自動化系統;選煤廠自動化系統;鉆井機自動控制系統;架線電機車電源及其漏電保護裝置等。This paper is focused on the operation of single - phase earthprotection for little earth current system. based on the analyses for several kinds of ground protections, one ground protection with the functions of line selection and ground positioning is proposed for the complex automatic and mordern management for the electric substation. by this means, the economic, reliability, safty and stable operation for the grid can be achieved
針對小接地電流系統單相接地保護的運行進行了論述,並分析比較了幾種目前採用的小接地電流系統單相接地保護的功能及優缺點,建議採用一種既能選線又能定位的小接地電流系統單相接地保護裝置,以適應綜合自動化和現代化管理的需要,確保系統經濟、可靠、安全、穩定運行。Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment
對小電流接地系統電弧故障的選線模擬是本文的重點,也是一個創新點,本文從研究的角度,在深入分析電弧接地時故障電壓、電流的特點和變化情況的基礎上,進行了大量的選線模擬,模擬表明電弧故障時,小波分析方法也能準確地選出故障線路,這對研製高性能的接地保護裝置將起到重要的指導作用。A industry pc is used as the network server, and all the protectors are used as network nodes. in this way, we realy realize the automatic control, the centralized control and the intelligent self disposal functions of the motor protection
另外將profibus和modbus現場總線運用於電機保護,以保護裝置為節點,以工控機或plc為上位機,形成了電動機智能保護網路的基本筐架。Incorporation of kones mature escalator technology, advanced micro - computer control system, high strength truss structure, classical driving system, and completed safety devices, fully ensure our products safe, reliable, endurable and bring steady and comfortable riding. refine craftwork, fluent lines and elegant style form the combination of practical riding function and visual enjoyment. frequency conversion technology selected makes the escalator more energy - saving
引進通力成熟的自動扶梯技術,採用先進的微機控制系統,高強度的桁架結構經典的驅動技術完善的保護裝置,使產品安全可靠耐用,乘坐平穩安靜舒適精緻的工藝流暢的線條優雅的造型,使產品兼有乘坐的實用功能與視覺的裝飾效果變頻驅動的選用,使產品省電節能,而室外型自動扶梯能經受各種氣候環境條件考驗。Bypass breaker usually operate instead of line breaker in power system, considering the type of bypass breaker ' s carrier wave protection is different from the one of line versus side carrier wave protection, both protection ' s theory and stop signal, send signal logic have got differentiate, in order to ensure power network stabilize operation, line rapid protection must be run, so it is necessary to validate from protection theory and proceeding test the internal fault condition that the protection in both side of the line is different
電網中經常出現旁路開關代線路開關運行,由於旁路高頻保護和線路對側高頻保護型號不一致,保護原理和停信、發信邏輯有區別,為了保證電網的穩定運行又必須要求線路快速保護投入運行,這就要求從保護原理上和進行試驗來驗證此時由線路兩側不同的保護裝置構成的高頻保護的動作情況。Firstly, the paper introduced the commonly hardware configure of microcomputer relaying and the function of every module of industry controlling computer std90386. secondly, the paper introduced several types busbarprotection which was commonly installed on electric power system and the characteristic of mv or lv system with low current grounding. based on it, the paper put forwards the theory of percentage - restraint differential relay. after that, in the discussing every problems of the relaying working the paper put the emphasis on the negative effect of the ct saturation and countermeasure
本文首先介紹了微機保護裝置的一般硬體配置以及作為裝置硬體平臺的std90386工控機各組件模板的功能,然後分析了目前電網系統裝設的母線保護的各種類型以及中、低壓小電流接地電網的特點,在此基礎上分析、介紹了作為本保護動作原理的「比率制動式差動保護」原理。Answer : preparative job includes : understands workplace one, the moving circumstance of 2 equipment, this job has with moving equipment without direct connection, have the job that cooperates without need with other team and group ; makes working priority discipline and the blemish that prepare to solve and weak point ; the staff member makes clear to divide the work and be familiar with the concerned data such as blueprint and test gauge cheng ; should be had the blueprint that agrees with actual state, record that examines last, newest rectify spare parts of the instrument that decides requisition, test gauge cheng, qualification, machine parts or tools kept in reserve, tool and join lead to wait ; is a few righter important equipment, especially complex protector or couplet jumps loop protector, should weave test program, working controller should fill in ticket of protection safety precaution, examine and approve via technical chief, just can carry out
答:預備的工作包括:了解工作地點一、二次設備的運行情況,本工作與運行設備有無直接聯系,與其他班組有無需要配合的工作;制定工作重點項目及預備解決的缺陷和薄弱環節;工作人員明確分工並熟悉圖紙與檢驗規程等有關資料;應具備與實際狀況一致的圖紙、上次檢驗的記錄、最新整定通知單、檢驗規程、合格的儀器、備品備件、工具和連接導線等;對一些重要設備,非凡是復雜保護裝置或有聯跳迴路保護裝置,應編制試驗方案,工作負責人應填寫繼電保護安全措施票,並經技術負責人審批,方能實施。It can be predicated that the study results are useful to the design of overvoltage protective device in electric power system and the development of canceling arc light earthed overvoltage device and small electric current chosen equipment
本文的研究結果對電力系統過電壓保護裝置的設計及消除弧光接地過電壓和小電流選線裝置的開發具有實際指導意義。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 adaptive setting algorithm and realizing strategy of adaptive protection function use local information of adaptive protection device, information of substation, status messages and topology connection relations coming from scada system offered by centralized control center to adapt to changes of topology structure, system impedance and fault type by amending the settings on line. the adatpvie protection algorithm of the device is adaptive three - step current protection
所提出的自適應整定演算法、系統級自適應保護功能實現策略綜合利用供配電線路自適應保護裝置本地信息、變電站站內信息與集控中心藉助scada系統提供的一次、二次設備狀態信息及拓撲連接關系,自動在線計算並修正保護整定值,實現了對電力系統拓撲結構、運行方式及故障類型變化的自適應。Not suited below deep load line in association with impressed current cathodic protection
當裝有外加電流陰極保護裝置時,本品不宜塗在重載水線以下。Personnel protection systems for electric vehicle supply circuits - particular requirements for protective devices for use in charging systems
電動車輛供電線路的人員保護系統.充電系統用保護裝置的特殊要求220kv or above voltage transmission lines usual adopt double protective disposition ; each has its own independent ac and dc system to control different breaker
220kv及以上電壓等級的輸電線路的保護配置一般採用雙重配置;由兩套交、直流輸入輸出迴路相互獨立,並分別控制不同斷路器的保護裝置進行保護。分享友人