斷路容量 的英文怎麼說
中文拼音 [duànlùróngliáng]
斷路容量
英文
breaking capacity-
And a solve scheme is presented, controlling the voltage of 220kv power network in chongqing under 232kv during low load period. with the increase of load and power supply, the reasonable positions and capacitance of reactive power compensation become reasonless
隨著負荷的不斷增加,電源亦隨之大幅度增加,使得原網路中本來合理的補償位置、補償容量變得不合理,因此有必要重新選擇補償點。China unicom in our country is the first and also only the telecommunication operator that provide the cdma network service uniquely, aim at the customer to put forward the higher request with comprehensive business ability continuously under circumstance towards the scale, capacity, the service grade that move the network currently, how constuct the more reasonable network of cdma and how the technique advantage of the exploitation cdma network provides more datas to increase in value the service, to draw on more customers to join the cdma network the camp become a company of china unicom develops from now on of core problem
中國聯通公司作為我國第一個也是目前唯一的提供cdma網路服務的電信營運商,針對目前用戶對移動網路的規模、容量、服務等級和綜合業務能力不斷提出較高要求的情況下,如何建設更為合理的cdma網路以及如何利用cdma網路的技術優勢提供更多的數據增值服務,以吸引更多的用戶加入cdma網路陣營成為聯通公司今後發展的核心問題。Main switch with inadequate short circuit breaking capacity
總開關掣的短路斷流容量不足。For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis
由於開合空載架空線路試驗對電源側的阻抗有明確的規定,這就要求試驗電源必須具有足夠大的短路容量,實驗室很難滿足要求,因此,一般對較高電壓等級的斷路器採用合成試驗方法,本文介紹了利用現有條件,對252kv以上電壓等級的斷路器採用合成試驗時的試驗線路。As the basis apparatus components, which are use to switch on and switch off main circuit or big capacity control circuit, ac contactors are widely used in control of electromotor and other power load
交流接觸器是一種用來頻繁的接通和切斷主迴路或大容量控制電路的電器,廣泛應用於控制電動機和其它電力負載。And we design an intelligence switch that is to be used to protect power system. the switch ' s strong advantage is that cutting - current is small, so time is very short when power system, which happened short circuit is switched off
該智能開關的優點是斷開電路時電流小,不易拉弧,因而開斷時間短,斷路器使用壽命也長,而且有望減小斷路器的容量,節省投資。Application of high - voltage explosion fuses is very abroad. in addition to protecting the electrical equipment by melting itself, disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance, for example, to switch on or off no - load overhead transmission line, no - load transformer and little burden current
跌落式高壓熔斷器的應用極為廣泛,不僅能保護電氣裝置,在一定條件下還能直接用高壓絕緣鉤棒來操作熔管的分合,以斷開和接通空載的架空線路、小容量空載變壓器和小負荷電流。When switching the no - load overhead lines by alternating - current high - voltage circuit breaker which is a kind of daily operations in electric power system, over - voltage is probably bringed out and insulating property of the electric devices is breakdowned sometimes, especially, when occuring re - strike. the main purposes that the tests on switching line - charging current are performed in the laboratory are assessing re - strike performance of circuit - breakers. according to the test results, the design of the circuit - breaker is optimized and re - strike performance is improved
交流高壓斷路器是電力系統中最關鍵最重要的設備之一,斷路器開合空載架空線路是電力系統中常見的操作,操作過程中通常會出現過電壓,對系統絕緣造成威脅,嚴重時會破壞系統的絕緣性能,發生事故,隨著電力系統電壓等級的提高、輸電線路不斷延長及傳輸容量的增大,由操作過電壓引起的絕緣閃絡、設備破壞事故的幾率更加突出。With the high speed development of computer, the integrated circuit as the basis of computer have been developed from vlsi to ulsi
隨著科學技術的飛速發展,計算機不斷更新換代,存儲容量在不斷的增長,作為其基礎元件的集成電路已由超大規模( vlsi )向甚大規模( ulsi )階段發展。Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended
文摘:用蓄電池做后備電源的系統(或設備) ,常因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變化的規律,利用電壓比較器和電壓基準源設計製作了電池放電保護電路,當電池放電量接近容量的50 %時,啟動預警信號;當電池放電量達到容量的80 %時,電路自動切斷負載,防止電池過度放電,延長電池壽命,保證系統(或設備)在供電恢復正常后能正常運行That would help restrain demand, would raise money to pay for increasing the capacity of britain ' s stunted road network where this is necessary, and would show, through drivers ' willingness to pay, where that capacity can most efficiently be added
這不僅能夠為擴大英國原有的瘦小公路網路容量籌集資金,而且還能通過司機支付過路費的意願來判斷哪裡最需要擴建,這筆錢花在什麼地方能夠收到最好的效果。So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening
本文針對126kv31 . 5ka自能式sf _ 6斷路器的研製,建立了相應的滅弧室氣壓特性數學模型,對自能式sf _ 6斷路器開斷過程中電弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口位置進行了詳細深入的理論分析和計算,並根據斷路器開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。High voltage shunt capacitor installation is comprised of assembling capacitor, high voltage vacuum or sf6 switch, serial reactor, zno arrestor and discharge device. because of its simple structure, small cubage, high output,
由集合式並聯電容器和高壓真空或六氟化硫斷路器串聯電抗器氧化鋅避雷器及放電線圈等設備組成的高壓並聯電容器成套裝置,具有裝置結構簡單體積小容量大佔地省Circuit breakers, three - pole, temperature compensated, rated currents 2a to 25a, switching capacity 65 in - unc thread terminals - product standard
轉換容量為65 in ,額定電流為2a至25a的溫度補償的三級電路斷路器. unc螺紋接頭.產品標準Circuit breakers, single - pole, temperature compensated, rated currents 1 a to 25 a, switching capacity 65 in 1000 a max - unc thread terminals - product standard
最大轉換容量為65 in 1000 a ,額定電流為1a至25a的溫度補償的單極電路斷路器. unc螺紋接頭.產品標準Under the background of the development of computer technology, digital compressing technique, rapid band width technique and rapid high capacity memory, it is a trend to digitize video automatic broadcasting system
隨著計算機技術、數字壓縮技術、高速寬帶網路技術和高速大容量存儲介質的不斷完善,視頻自動播出系統的各個環節走向全面數字化是一個必然趨勢。Alkaline zinc - manganese battery is widely used all over the world it has good performance of storage , low cost , stable discharge and convenience of carrying the sealing of the battery is a crucial factor to the performance of the battery due to the disadvantages of present sealants , leakage of electrolyte often happens what ’ s more , the sealing capability affects the performance of the battery the way to raise the sealing capability is to search for a good additive , which can improve the sealing capability through adding according to chemical principles , this article picks out ptfe and nylon66 as additive adding ptfe or nylon66 into the pitch can improve the sealing capability of the pitch at the same time , the temperature , the time , the amount of addictive , the way to drop temperature and the time of churning all should be considered by testing the constitutions , softening point , moving degree and length of needle of various pitch samples , we can compare the properties of different sealants can be studied by using of x - ray, the constitutions of the pitch can be indicated which can help us to explain these changes this article includes : testing the constitutions , soften point , moving viscosity and needle penetration of various pitches ; raising the sealing capability by adding ptfe nylon66 into the pitches ; testing the constitutions , soften point , moving viscosity and needle penetration of raised samples ; analyzing and discussing the basic principles of this method it is showed that soften point , moving viscosity and needle penetration of pitches are increased by adding ptfe nylon66 and the discharge time , initial voltage , capacity of battery with pitch raised by nylon66 are good and get to the requirement of gb t7 1 1 2 in a11 the method proposed in this article is available in practical industry use
通過測定改進瀝青的軟化點、運動粘度和針入度等指標參數來比較不同的添加劑及不同的添加條件對瀝青封口性能的影響。本論文的主要研究結果為:系統測試了多種瀝青樣品的組成、軟化點、運動粘度、針入度;對市售瀝青分別添加聚四氟乙烯乳液、有機硅樹脂和尼龍66進行改進,制備了改進產品;對改進瀝青的組成、軟化點、運動粘度、針入度進行了測試和比較;使用改進瀝青組裝成電池並對電池進行恆電流放電測試、短路電流測試和電池漏氣、漏液性能的測試;對瀝青改進的原理進行了分析和討論。實驗結果表明:在瀝青中添加尼龍66和聚四氟乙烯乳液對瀝青的封口性能有明顯的提高;通過對工藝條件的不斷改進,目前的工藝條件已完全可以用於實際生產操作;以添加尼龍66改進的瀝青為封口劑組裝成的電池完全滿足堿錳電池生產的需要,且電池電容量、短路電流等指標均達到gb t7112標準要求;本文提出的改進方案,通過驗證是一種效果好、實用性強的方法。With the advancement of people ' s life and the development of socialist market economy, people require so many telephones that the capacities of the telephone lines which had been put originally could n ' t reach to the users " satisfaction. therefore, searching a modern communication technique to communicate for more users by using the limited channels resources in communication fields is becoming the main subject of researching
隨著人們生活水平的不斷提高和市場經濟的發展,人們對電話的需求日益增多,原來敷設的線路容量已經不能滿足要求,因此,利用有限通道資源以增加電話用戶數量成為現代通信領域研究的一個主要課題。Utilities are faced with fault current which can exceed the rated capacity of the installed circuit breakers and other equipments. to correct this problem, a fault current limiter ( fcl ) is available
而另一方面,系統容量的擴大將直接導致短路容量增加,這對電網原有的和新投運的開關設備的開斷能力是一個嚴峻的考驗。Hutchiso n global crossing is a 50 50 joint venture between hutchison telecommunications hong kong limited and global crossing limited, which was established in january 2000. it combines hutchison telecommunications hong kong limiteds fixed line and internet networks in hong kong with global crossings international fiber optic broadband cable and its expanding portal facilities, internet applications and data services, which help to explore strategic development opportunities in hong kong
和記環球電訊為和記黃埔有限公司及global crossing於今年一月組成之五十五十合資企業,將和黃現有遍布全港的固網光纖網路及部份網際網路資產global crossing的國際光纖寬頻電纜網路容量及其不斷增長的網站設施網際網路應用及數據服務結合,尋求在港更具策略性之發展機會。分享友人