電力電量平衡 的英文怎麼說
中文拼音 [diànlìdiànliángpínghéng]
電力電量平衡
英文
electric power and electric energy balancing- 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 衡 : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
- 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
- 電量 : [電學] (物體所帶電荷的多少) quantity of electricity quantity of electric charge電量表 voltamete...
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To resolve agc problem perfectly, the base is unit burthen control. the famous coordination control scheme - direct energy balance ( deb ) method - is still the focus of the thermal power plant control domain
而圓滿解決agc問題的基礎在於機組負荷控制,聞名於世的直接能量平衡( deb )法協調控制方案,一直是火力發電廠控制領域關注的焦點。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。Abstract : there are offered many ways how to improve work of a spark plug. but one of the m ost important problems has not been solved yet. this is a thermal mode operation of a spark plug. the ideal spark plug should be instantly heated at the moment of occurrence of a spark and instantly cooled down in expectation of the foll owing electrical pulse. thus it balances between preservation of heat for self ? c leaning from scale and its removal in avoidance self ? ignition. in this article a uthor managed for this time to offer a spark plug with capability “ self ? regula tion ” of heat flux removed from a zone of ignition. essence of the offer is a t ip , which is transparent for heat flux. it is produced from single crystal of sap phire
文摘:在如何提高火花塞的工作質量方面有多種方法,但是其中最重要的一個問題還沒有得到解決,那就是火花塞工作的熱學模型問題.理想的火花塞應該能在點火的瞬間被立刻加熱,並且在接下來的電脈沖過程中迅速冷卻,由此在熱量的存儲與散發之間取得平衡,以避免自點火.本文力圖展示一種具有自動調節源於點火區域熱流能力的火花塞,其技術的關鍵是頂部絕緣體材料,它是由藍寶石單晶製作,而非傳統的氧化鋁陶瓷Trial - use standard definitions for the measurement of electric power quantities under sinusoidal, nonsinusoidal, balanced, or unbalanced conditions
試驗用標準定義.在正弦曲線,非正弦曲線,平衡和非平衡條件下電力數量測量的試驗用標準定義The inner - plant economical operation of lijiaxia hydropower station is studied based on the disadvantageous operating mode area of the units determined by school of civil engineering of tianjin university and the actual operating experience of the lijiaxia hydropower station in the last a few years
摘要以天津大學建築工程學院確定的李家峽水電站機組的不利工況區為依據,以近幾年來該水電站的實際運行經驗為參考,在綜合考慮機組初始運行狀態、機組振動特性、機組出力、下泄流量、水庫蓄水量和電網負荷平衡等因素的基礎上對李家峽水電站的廠內經濟運行進行了研究。General rules of guide for energy balance of thermal power plant
火力發電廠能量平衡導則總則Not only will you be able to improve your surroundings toattractromance, but you can increase your personal energy thatwill makeyou feel more energized ( 7 ) and attractive, according tofeng shuiconsultant ( 8 ) sugitas e - book the feng shuiequation
風水先生蘇吉塔在電子圖書《風水平衡》中說: 「不僅可以通過改善環境來獲得艷遇,還可以通過提高自身的能量使自己感到有活力、有魅力。 」We can obtain the trap density by measuring the change of gate voltage of mos capacitance under constant current stress and the change of high frequency c - v curve before and after the stress
該方法根據電荷陷落的動態平衡方程,測量恆流應力下mos電容的柵電壓變化曲線和應力前後的高頻cn曲線變化求解陷階密度。The equations which are used in the radiation hydrodynamic model include the hydrodynamic equation of plasma, the absorption equation of laser, non - lte electron occupation probability equations, electron ion and photon energy equations ( three - temperature equations ), and the state equation of matter and so on
考慮的方程有:等離子體流體力學方程組,激光吸收方程,非局域熱動平衡電離下電子占據概率的速率方程組,電子離子的能量守恆方程組和光子的能量輸運方程(三溫方程組) ,關于元素不透明度的方程,以及描述物質狀態的方程等。In the end, the paper summarizes and evaluates the above strategy, finds the strongpoint and shortage. moreover it sets down the sales plan and improves strategy for 2006. the paper studied marketing strategy adopted by hunan science - infor electronic system equipment co, who is the special dealer of omron industrial automatic control products, reached the conclusion that marketing strategy will directly influence enterprises ’ sales and the following aspects should be taken into consideration : i ) thoroughly analyzing individual conditions and market environment in combination with products ’ characteristics to find out opportunities as well as challenges ; ii ) fully making the most of one ’ s own advantages and opportunities, least competing with the
本文通過對科信電子特約經銷歐姆龍工控產品營銷策略的研究,得到如下結論:營銷策略將影響企業銷售成績,在制定營銷策略時應注意, ( 1 )認真分析自身條件和市場環境特點,結合產品特性,發現機遇和挑戰; ( 2 )方案設計時要充分發揮企業優勢和市場機遇,在實力較弱的情況下,盡量避免挑戰市場領導企業; ( 3 )在實踐中逐步調整營銷策略,並分階段實施以適應環境的變化; ( 4 )銷售情況和利潤情況的分析最能說明營銷策略好壞與否,在制定營銷策略時就要關注銷售額與利潤的平衡。A computer program in turbo - basic is also compiled based on the new method in this paper. pumped storage power plants work flexibly and start very fast
本文按照上述思路,提出了新的電力電量平衡和燃料消耗計算方法,並基於這種方法採用turboIn the end, the decision - making order of scrolling development of cascade hydropower stations is obtained under different power demands by comprehensive analysis
然後運用多種方法進行分析,運用電力電量平衡方法論證開發方案的適應性,通過綜合分析得到了不同電力需求下的梯級水電滾動開發決策順序或者可接受的編序。In big hydropower proportion of power network, the hydropower plan determines the power network operation mode, based on that the hydropower operation mode is definite already, we can be engaged in load generation balance and the power network resources optimized de1ilovment
摘要水電比重較大的電網,其運行方式的安排往往取決於水電計劃,在「以水定電」的基礎上才能進行電力電量平衡及電網資源的優化配置。By incorporating the power sources location and load prediction results in the energy utilizing proposal, a balance for the power volume needed by 3 counties in the area in three " five - year plans " period is also made, the result of which indicates that, it can meet the power demand required by the social - economic development in the region in next three " five - year plans " if the water power resources are rationally planned and developed and then a comprehensive energy utilizing proposal by combining solar and winding energy together
並結合區內電源點分佈和負荷預測結果,進行了各縣三個五年計劃期間的電力電量平衡。得到了相應的結論。基於對風能、光能和水能資源開發各自特點的分析,文中進一步對多能互補系統進行了較深入的研究,明確了在阿里地區特定的自然條件下,採用風光互補抽水蓄能開發方式的合理性及可行性。It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage
並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理,闡述了與同步發電機、異步發電機的不同之處,分析了其能量平衡關系,在坐標變換技術的幫助下,詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型,分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性,證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models
本文對基於電動力纜繩的航天器離軌過程進行了深入研究,具體工作如下:首先,本文研究了電動力纜繩產生電動力拉力的基本原理,建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下,對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下,對受電動力纜繩作用的航天器的離軌過程進行模擬,分析了在不同精度地磁場模型下,航天器離軌過程中各軌道參數的變化情況,並比較了不同模型對離軌時間的影響。With the development of power electronic technology, much nonlinear, impactive and imbalance load emerges in power system. as a result, power quality has deteriorated. the problem of voltage fluctuation and flicker, one issue of power quality, becomes more and more serious
近年來,依託電力電子技術發展起來的用電負荷日益增多,由於它們非線性、沖擊性及不平衡的用電特性,造成諸多電能質量問題,電壓波動與閃變就是其中之一。In recent years, current rectifiers, frequency converters, arc furnaces and other power electronic devices etc have been increasingly used in power network. with nonlinear, impactive, unbalanced characteristics, they generate lots of harmonics and cause distortion in power network current or voltage
近年來,配電網中整流器、變頻裝置、電弧爐以及其它電力電子設備等的應用不斷增加,由於這些負荷具有非線性、沖擊性和不平衡的用電特性,引起供電網中的電流(電壓)畸變,產生大量諧波。As technique of power electronics develops, the load with nonlinear, impactive, unbalanced characteristics such as current rectifiers, frequency converters, arc furnaces have been increasingly used in power network in recent years. they generate lots of harmonics and cause distortion in power electrical network current ( voltage )
隨著電力電子技術的發展,近年來電網中象整流器、變頻器、電弧爐這樣具有非線性、沖擊性和不平衡用電特性的負荷不斷增加,引起供電網中的電流(電壓)畸變,產生大量諧波。分享友人