負荷電流表 的英文怎麼說

中文拼音 [fùhédiànliúbiǎo]
負荷電流表 英文
load-current meter
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 荷 : 荷名詞（蓮） lotus
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 負荷 : [電學] load; charge; weight
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件（ cpu模擬晶元）表面與環境溫度之差及通風、流速的影響進行了系統的測試，發現充液量與溫差的關系在負荷不變時呈拋物線分佈，其極小值點對應的充液量是最佳充液量g 。在充液量為g時，對風速v 、散熱量q進行的研究表明，當風速超過1 . 5m / s后，奔騰晶元在60w發熱條件下晶元溫度小於40 ，能滿足長期正常工作。
  2. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  3. In this paper, the theory of negatively charged surface states is used to investigate dynamic breakdown characteristics and the increase of gate - drain breakdown voltage as well as the reduction of saturated drain - source current after sulfur passivation. the measure which can improve the stability of sulfur passivation is proposed

    本論文通過對gaasmesfet擊穿機理和硫鈍化機理的研究，用負電荷表面態理論，解釋了gaasmesfet動態擊穿特性及硫鈍化后柵漏擊穿電壓增大、源漏飽和電流減小的機理，提出了改善硫鈍化穩定性的措施。
  4. By comparison with transmission power systems, distribution power networks are of their own specialties in the configurations and parameters. for instant, there are great number of busses in the 6 ~ 10kv middle voltage distribution power networks. there are no measuring meters on most of the busses and there is no way to obtain the bus load data in most cases

    潮流計算是配電網分析的基礎，由於配電網結構及其參數的特殊性，特別是由於6 ~ 10kv的中壓配電網節點數多，絕大部分節點無測量表計，負荷資料短缺不全，使傳統的潮流計算方法難以適應配電網功率分佈的計算。
  5. To the exploration, the author studies sailimu and buerjin wind - electricity field. the study shows the short circuit proportion supplied by wind - electricity is very high, so the wind - generator can " t be treated as a simple equipment that assumes energy, nor a simultaneous generator, if as an unsimultaneous generator, the short circuit will be different when the capacity changes, as a sequence, the relay will be influence too

    以上研究結果表明：風力發電機提供的短路電流在短路電流中占相當大的比例，因此不能將風力發電機作為簡單負荷處理，也不能視為同步機處理，即使作為異步機處理，當採用容量不同時，短路電流大小也有變化，因此，也就直接影響繼電保護的整定計算。
  6. Fristly, according to the non - linear characteristics of twelve - phase rectifier, the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection. secondly, the thesis designs the dc feeder protection and control of subway, and gives the principle of setting accordingly, after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors. to validate the rationality of the design, the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit

    其次，本文在詳細分析地鐵牽引負荷電流和饋線短路故障電流特點的基礎上，考慮了直流保護系統設計應注意的幾個因素，對地鐵饋線保護與控制進行配置，給出了相應的保護整定原則，並針對某一地鐵供電系統在詳細分析了兩種工況（機車起動與過分段絕緣）的電流暫態過程，得到了電流計算的數字模型，結合前面提出的短路模型，進行了地鐵饋線保護的模擬，經模擬表明本文的保護設計是合理的。
  7. The visualization of representative day ( root mean square current, average current and equivalence resistance algorithms ) and allot load according to transform capacity method are realized

    實現了代表日方法（包括均方根電流法、平均電流法和等值電阻法等演算法）和按配變容量比例分配負荷的方法的可視化。
  8. With the broad application of the electrical and electronic technology in the industry branches and the power apparatuses, the number of non - linear loads is much more and more, and the capacity of them is biggish, so a mass of harmonic is injected into the power system, which produces the waves of voltage and current in power system to be aberrant seriously

    隨著電力電子技術在各工業部門和用電設備上的廣泛應用，非線性負荷數量越來越多，容量也越來越大，諧波大量注入電網，使電力系統電壓、電流波形發生嚴重的畸變。由於大多數儀器、儀表是針對工頻正弦波設計的，因而造成指示數據不正確。
分享友人
分享到 Line

分享到臉書