短路特性 的英文怎麼說
中文拼音 [duǎnlùtèxìng]
短路特性
英文
short circuit characteristic- 短 : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導線性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。Superior frequency characteristics shortest recovery time, realize the switching of the circuit, complete functions such as open and close, clip wave, wave detector, high - frequency rectifier, logic control, which fit for all kinds of digital circuits and analog circuits
具有良好的高頻開關特性反向恢復時間短,可實現對電路開和關的控制功能,可完成開關限幅檢波高頻整流邏輯控制等功能,適用於各類數位電路類比電路。The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly
但是在母線區外發生短路故障(特別是故障電流含有大量非周期分量)時, ct會出現飽和現象, ct飽和后,不能正確地傳變一次側電流,從而使二次電流發生嚴重畸變,產生很大的差電流,這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是母線保護的一個重要課題,近年來提出的在ct二次電流過零時的線性傳變區投入差動保護,避開ct飽和區,能對母線故障做出正確判斷。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。As existing approaches for computer aided conceptual design hardly take into consideration the consistency of input and output energy objects in their detailed features during the synthesis process, a heuristic approach for conceptual design of energy transforming systems was proposed based on the gene model of energy - transforming systems and the knowledge of the shortest paths between different physical objects
摘要針對目前的概念設計方法在考慮多種能量對象細節特徵匹配性方面的不足,以能量轉換產品基因模型為基礎,提出了一種基於相異物理量間最短路徑知識的啟發式搜索求解模型。The typical performance characteristics include : line and load transient response, efficiency, output voltage ripple, quiescent current, maximum load current, output voltage temperature characteristics and the short
其中,整體模擬指標包括:晶元線性調整率和負載調整率、轉換效率、輸出電壓紋波、晶元靜態電流、最大負載電流、輸出電壓溫度特性及短路負載電流。Road vehicles. lubricating spherical heads with short conical screw threads. dimensional characteristics
道路車輛.球面頭錐形短螺紋潤滑器.尺寸特性This paper presents two new electric system devices, a grounding and short - circuit fault indicator and an intelligent hybrid dc contactor. the fault indicator may be used in mid to high voltage power system
其中,短路與接地故障顯示裝置可用於檢測中、高壓電力系統短路或接地故障,該裝置具有強弱電隔離、安全性好、安裝方便、能耗低、成本低的特點。The conceptual design of a lighting system using sea waves as the energy source demonstrates that the proposed approach can not only maintain tile consistency of input and output energy objects in detailed features, but also achieve efficient synthesis of solutions with aid of tile shortest path knowledge and other heuristic knowledge
一種海浪照明系統的概念設計實例證明:該模型不但能在復雜能量轉換系統的概念設計過程中正確考慮輸入輸出能量對象在細節特徵上的匹配性,增強組合解的可行性,而且能藉助最短路徑知識和其他啟發式知識較迅速地從知識庫中找到合適的組合原理解。With the high development of the quantum circuits, the testability of the circuits will become a very serious problem. the method of testability design for rt circuits is proposed in the end of this paper, which has high testability and low hardware cost. only adding one extra mos transistor and two control ports, it can detect all open and short faults in rt circuits
隨著量子電路的飛速發展,由於其本身所特有的高集成度特點,電路的測試必然會成為越來越嚴重的問題,因此論文在最後就電路中常見的開路、短路故障提出了rt電路的可測試性設計方法,並針對具體的mobile電路進行了可測試性設計, pspice模擬結果表明達到了可測試的目的。Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not
非線性定向耦合器( nldc )是用在光網路中的光開關器件,它主要用在全光網路中, w . s . man等研究過基態孤子在nldc中的傳輸控制,便於對全光網路中數據的正確傳輸,由於目前研究集中在100fs的超短脈沖傳輸特性上,顯然基態孤子的特點不再適用於超高速網路; maryj . potasek等就超短脈沖在nldc中的自耦合做了研究,在光網路中自耦合任意性太大,不利於控制脈沖的傳輸。Finally, the photovoltaic characteristics of polyaniline are also investigated. the voltage - current curve, the relationship of light intensity and open voltage and short current and stability of polyaniline heterojunction solar cells are tested, the various effect factors on polyaniline heterojunction are discussed as well, and some result that are never reported in published paper have been acquired
利用聚苯胺和復合材料與n型硅制備出了有機p - n異質結太陽電池,對電池的伏安特性、開路電壓、短路電流和穩定性進行了測試,對電池的機理進行了初步探討,分析了影響聚苯胺p - n異質結電池特性的各種因素。The recent researches of network traffic have shown that many kinds of real network traffic have both self - similarity and long - range dependence
近年來的網路業務流特性研究表明,多種不同類型的網路業務流不僅具有短相關特性,還呈現長相關特性或自相似性。The co2 welding process needs the special external characteristic and dynamic characteristic of power source for there are alternately arcing time and short circuiting time at the period of short - circuiting co2 welding
在採用短路過渡方式的co2焊過程中,短路和燃弧過程交替發生,因此它對電源的外特性和動特性有特殊的要求。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。A source routing framework is proposed to route traffic flows proactively over multiple paths, which tries to optimize routes for long - lived flows based on dispersity routing ; based on mathematical analysis, our approach disperses incoming traffic flows onto multiple paths according to path qualities. long - lived flows are detected and migrated to the shortest path if their qos could be guaranteed there. suggesting non - disjoint path set, four types of dispersion policies are analyzed, and flow classification policy which relates flow trigger with link state update period is investigated
提出一種以業務量內在特性為基礎的前攝式多路路由演算法:以對業務量的內在特性分析為基礎,該方法在多路發送數據流的同時檢測非最短路徑上的長流,而後在保證服務質量的前提下將長流遷移到最短路徑上傳輸;前攝式多路路由使用以路徑質量評價為基礎的業務流分佈方法有效提高網路吞吐量,通過周期性的路徑質量評價適應時變網路狀況;模擬實驗表明,該方法可以有效提高「盡力而為」方式下的網路服務質量和資源利用率;浙江大學博士學位論文3The effects of the error of ct and vt, hysteresis and load variation to short - circuit reactances are discussed also. by using error analysis and simulation analysis, this paper discussed the feasibility in engineering
論文分析了互感器誤差在幾種情況下對短路電抗測量結果的影響;通過變壓器建模,分析了磁滯特性和負載變化量大小對短路電抗測量結果的影響,驗證了該方法在工程應用上的可行性。Three phase short circuit characteristic
三相短路特性曲線With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised
本文在系統地研究了汽輪發電機運行特性(飽和特性、短路特性、零功率因數負載特性和u形曲線) 、非線性有限元方程計算精度、定轉子實際結構對飽和特性的影響及計及定轉子實際結構時的剖分策略等問題之後,進一步研究開發了適于不同型號汽輪發電機穩態分析的通用性有限元軟體。Aerospace, aircraft electrical systems ; testing of short - circuit behaviour
航空和航天.飛機電氣系統.短路特性檢驗分享友人