電效率 的英文怎麼說
中文拼音 [diànxiàolǜ]
電效率
英文
electric efficiency-
To consider the efficiency of charge of the mh - ni battery, this method revises the ah - methods. the battery management system realized to compensates the charge efficiency through a constringent factor
考慮到高比功率鎳氫電池的充電效率,該方法將一般的安時法加以修正,通過一個變壓縮因子實現充電效率補償。The experiment results indicated that by application of new control strategy, the charging efficiency was raised to about 90 %, the charging period was reduced to within 2 hours, and there was no apparent electrolyte temperature - rise, which means high efficiency, fast and damage - free charge is realized
實驗表明,採用新型控制策略的充電過程可使充電效率提高到90左右,充電時間縮短到2小時以內,蓄電池電解液的溫升較之常規充電亦沒有明顯升高,實現了高效、快速、無損的充電思想。Semi - coke is production of gasifier, its combustion efficiency directly influenced power generation efficiency of the total system
第二代pfbc - cc系統中氣化爐產生的半焦在pfb爐內燃燒效率的高低直接影響到整個系統的發電效率。It enhances the efficiency of end - user, and improves electro - usage means by taking inspiring and directing measures, meanwhile it makes power consumption and demand decreasing as well as satisfying same power of electricity usage
電力需求側管理通過提高終端用電效率和改善用電方式,有效地緩解了電力短缺,提高了電能的利用效率,在國內外得到了廣泛應用。Efficiency improved charge and discharge control circuit
可提高放電效率的充放電控制電路Fuel cells have the following advantages over conventional generating systems : low environmental pollution ; highly efficient power generation ; diversity of fuels ; reusability of exhaust heat ; modularity ; faster installation. recent worldwide clean - air movements have greatly increased the importance of fuel cell development
和傳統發電方式相比,燃料電池發電具有以下幾個顯著的優點:良好的環境效益;發電效率高;可用燃料的多樣性;余熱的再利用;安裝簡便可實現模塊化操作運行。Electricity is necessary for nearly all productive activities, and because of inefficiencies, consumption of electricity has generally outstripped economic growth
幾乎所有的生產活動都需要使用電力,由於用電效率低,電力消耗的增長通常高於經濟增長。Rising energy costs have resulted in more efficient use of electricity, but especially in the developing world, economic growth has still generally lagged growth in electricity
盡管能源成本的上漲已經使得用電效率提高,但是經濟增長率通常仍低於電力消耗的增長,發展中國家尤其如此。Electric vehicles - batteries - test method of charging efficiency
電動車輛.蓄電池.充電效率試驗方法The three phases approach allows shorter charging time and higher efficiency
這種充電方式具有充電時間短,充電效率高的優點。The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them
以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流阻抗技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響,推導了這些過程的機理並簡要的進行了分析。Too much cnts contributed no effect in the improvement of overall performance of the batteries. the batteries with nano - scale coo shows better active properties, the addition of nano - scale coo further the conductivity of the nickel electrode, thus lower the internal resistance of the batteries, higher discharge voltages are achieved accordingly. for the formation of the better conductive net of coooh, the effectivity of discharge rise, that contributes positive effect to the high rate capability of the batteries
浙江人學碩十學位論文摘要正極添迦納米coo的ni / mh電池具有較好的活化性能,納米coo更好地增強了鎳正極的導電性,進一步減小了電池的內阻;正極添迦納米coo的ni / mh電池還具有較高的放電平臺;由於納米coo的納米結構,以及相對于普通c00更大的比表面積,會在堿液中溶解形成更均勻緻密的co0oh導電網路,從而提高了放電效率,對電池的高倍率性能也有積極的影響。Three schemes for this technology were given, including air - blown gasification, recycle gas - blown gasification and steam & recycle gas - blown gasification, which were computed and analyzed. due to different conversion ratio of coal and different temperature that gas enters into gas turbine, the different results were got and analyzed, such as gas heat value, gasification efficiency and generation efficiency
本文針對空氣氣化方案、再循環煤氣氣化方案以及水蒸汽+再循環煤氣氣化方案對煤部分氣化聯合循環發電系統進行計算分析,根據不同的碳轉化率以及煤氣進入燃氣輪機前不同的溫度,得出不同的煤氣熱值、氣化效率、發電效率等,並進行了分析,提出了適合不同目標工業應用的煤部分氣化方案。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。In the eme model, the electron energy balance equation is taken into account and the transport coefficients are assumed to be the functions of the electron mean energy. in this paper, a software is programmed to simulate the discharge process of plasma display cell of coplanar - electrode type, the matrix - electrode type and the novel shadow - mask pdp according to the gas discharge mechanism and fluid simulation theory. the simulation results show that both lfa model and eme model can be used to investigate the discharge characteristics of the cell, but the eme model is preferred for its better coincidence with theories and experiments
在本文中,分別使用本地場近似的lfa ( localfieldapproximation )流體模型和假設碰撞反應系數、傳輸系數和電子的平均能量相關的eme ( electronmeanenergy )流體模型對pdp放電過程進行模擬,比較分析模擬結果,得出eme模型和lfa模型對放電的繁流、起輝放電、熄滅等過程的描述的基本趨向是大致相同的,而從模擬工作電壓與實際電壓的接近程度和放電效率角度比較, eme模型的模擬結果跟理論和實驗結果更為相符。In order to improve the power efficiency, it is necessary to detect the power quality sensitively, classify them accurately and clear them effectively
對電能質量進行快速的檢測和準確的分類,進而進行有效的治理是提高用電效率的重要途徑。After i investigated the theory of the hand set product power supply, i improved the work stability of the 2 - cell li - ion and reinforced the charge - manage the current and the voltage of the batteries which made it work longer. i also changed the way of the batteries work which improved the efficiency of the batteries. 4
3 .研究手持式產品的電源工作原理,進一步完善鋰電池電源的工作穩定性,加強了電池的充電的時候的對電流,電壓監控,使電池壽命延長,同時改變鋰電電源的供電方式,使得電池的供電效率大大提高。Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively
結果表明:添加劑為納米coo的電極的活化性能最好,納米coo相對于普通coo能更加均勻的分佈在鎳電極內,也更易溶解、反應生成coooh導電網路,從而加快了鎳電極的活化進程;添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量,納米添加劑能有效提高鎳正極活性物質的放電效率和利用率;納米添加劑可以有效地提高鎳正極片的容量密度,其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ,質量容量密度達到224mah g ;添加cnts的極片體積容量密度達到778mah cm ~ 3 ,質量容量密度達到223mah g 。The hspice simulation results indicate that the charging current is up to 2a and the precision of termination voltage is very high with the error only around 10 - 3. the efficiency is approximate 68 % when the ic is powered by fix voltage source and up to 95 % when the ic is powered by current limited source
Hspice模擬結果表明,該晶元恆流模式下最大充電電流為2a ;對充電終止電壓的控制精度高達10 - 3 ;當採用恆壓作為電源時,充電效率為68 %左右;當採用具有電流限制功能的電源時,充電效率可達到95 % 。The results show that under the new power supply scheme, load rate of equipments, power factor of supply system and supply efficiency of system all have been greatly improved
在新供電方案下,油田電網的設備負荷率、系統功率因數、供電效率都得到很大提高。分享友人