定質電力 的英文怎麼說

中文拼音 [dìngzhídiàn]
定質電力 英文
custom power
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 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...
  • : 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...
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  1. A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass

    微子一種假想粒子,被假為引相互作用的量子,並被推測為具有無限長壽命、零荷和零靜止
  2. The excitation control of synchronous gene rators is one of basic m e ans that ensures the stable operation of power syst em a nd im proves the dynam i c character of power system

    同步發機勵磁控制是保證系統穩運行和改善系統動態品的一項基本措施。
  3. The series genrating set combination of single and three phase brushless generator 、 control panel 、 common base produced by liuzhou jiali electric manufacturing co. ltd and engine produced by nanning machine factory ( abbreviation : nanji ) 、 changzhou engine co. ltd ( abbreviation : changfa ), which appears small size 、 light in weight 、 easy to start 、 low in fuel consumption and noise production with stale voltage and frequency output. it is an ideal power supply for banks 、 post office 、 public places of entertainment 、 households and pasturelands, so on

    本系列機組由柳州佳工有限責任公司生產的單相無刷發機、控制箱及公共底座與南寧機械廠(簡稱南機) 、常發集團(簡稱常發)等柴油機廠生產的柴油機組成,具有穩壓和頻率輸出及體積小、重量輕、啟動方便、油耗低、噪音低等特點,充分地體現了高性能、高量發機所應具備的要素,是銀行、郵局、娛樂場所、家庭及牧場等的理想源。
  4. This warranty doses not cover defects, malfunctions, performance failures or damages to the unit resulting from use in other than its normal and customary manner, abuse, misuse, accident or neglect ; or improper installations, alternations, or repairs ; acts of nature or problems with electrical power

    公司通過素精良且執行有的銷售隊伍,建立了包括傳統it mall手機分銷和綁賣場網上b2b b2c子商務時尚數碼店品牌沖印店以及代工銷售在內的立體化的渠道體系。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了系統中特別引人注目的幾個量- -轉子角、轉子轉速、發機q軸勢eq 、暫態勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端壓vt ,在此基礎上建立了實用的系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發機的非線性綜合控制器及機端壓最優控制器,通過模擬實驗與採用常規的按壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高系統的暫態穩性,並且在系統遭受小干擾時同樣具有良好的調節性能。
  6. It is a indispensable related material on metallurgy, glass, petroleum, chemical industry, electricity, boiler, building materials, thermal technology equipment that the indefinite type drenches the material fire - resistantly, our factory select high - quality raw materials for use, science compound, is it press different kinds of to welcome, select the fire - resistant pour material of different materials for use, can lengthen the furnace life, improve production and render a service

    型耐火澆材料是冶金、玻璃、石油、化工、、鍋爐、建材、熱工設備上必備配套材料,本廠選用優原料,科學配製,歡迎按不同類型,選用不同材的耐火澆注料,可延長爐齡,提高生產效
  7. Secondly, the sorts and weights of the components of the gel electrolyte are optimized, and a gpe with excellent performance is prepared, whose ion conductivity reachs 9. 2ms / cm. we analyze all the factors influencing the performance of the gpe, and study many performances of the gpe, including the microstructure, conductivity performance, liquid electrolyte holding ability, electrochemical stability, thermodynamics stability, and interfacial stability between electrolyte and electrode, et al

    其次,對gpe各組份進行了改進和優化,找到了最佳的配比,制備了性能良好的凝膠,該gpe的室溫離子導率最高可達9 . 2ms cm ;考察了影響凝膠性能的各種因素;研究了凝膠的微觀結構、導性、保液性、化學穩性、熱學穩性以及極間的界面穩性等性
  8. This paper discusses every kind of risk in laws, management system, personnel, market structure, infrastructure, emergency system, safety management, combines the active safety evaluation methods with risk conception, and brings a method of multi - stage fuzzy comprehensive evaluation and gives detailed numerical examples. the systematic way of risk control to is put forward in safety evaluation dynamic management system, law system, management system, economic method, personnel, scientific method, revolution relationship and grid construct, and according to inland and outland status, a management system of " three standards together " is also presented to give consult in the safety management of the grid enterprises in our country

    從法律法規、管理機制與人員素、市場結構、基礎設施、應急機制等多個方面系統論述了網企業在安全管理中所面臨的各種風險;基於當前企業中所採用的安全性評價方法,將現有方法與風險理念相結合,提出了安全評價的多級模糊綜合評價方法,通過算例進行了的說明;針對風險識別中得出的網企業所面臨的多種風險,分別從安全性評價動態管理體系、法律體系、管理體系、經濟手段、人員素、科技手段、改革關系和網建設等多個方面提出了系統的風險控制辦法,並結合國際、國內的現狀提出了「三標一體」的管理體系,以期對我國網企業的安全管理工作提供一的參考。
  9. Water stabilizer production, marketing ; concrete additives, efficient jianshuiji production, marketing ; computer hardware and software and peripherals sales and maintenance, consulting, training, services ; up computer engineering, network engineering ; computer power systems protection ; automation equipment development, marketing

    劑生產、銷售;混凝土添加劑、高效減水劑生產、銷售;計算機軟硬體及外圍設備的銷售及維修、咨詢、培訓、服務;承接計算機工程、網路工程;系統微機保護;自動化設備開發、銷售。
  10. This mode of valve is a kind of brand - new patent electromagnetic valve developed by this co., with an electromagnetic block as the auxiliary valve and not directly acting on the switch valve while only through adjusting the force difference between the media to get the switch valve, having lower energy consumption, longer duration, more stable performance etc. notable feratures, compared with the traditional electric valves, and extensively used for various water etc. liquids control system

    A型閥是我公司開發的一種新型專利磁閥。磁塊作為輔閥,不直接作用於開關閥,僅調節介差獲得開關閥,與傳統動閥相比具有耗能低壽命長性能穩等顯著特點。廣泛應用於各種控水油等流的控制系統。
  11. The low ceiling and the use of lightweight materials make for a far more streamlined vehicle, which in turn requires only a modest electric motor : though engineers have not yet decided whether the superbus will be powered by fuel cells or batteries, they estimate that it will be able to accelerate from rest to 100kph in a leisurely 36 seconds

    低車頂和輕材料令車身更符合流線型,這樣的汽車對發動機的要求不高:雖然工程師們還沒有決是否讓超級巴士採用池供能,但他們估計該汽車靜止加速到時速100公里僅僅需要36秒。
  12. Professional / technical knowledge of elevator & escalator site installation or inspection. good in mandarin ( spoken and written ) ; general pc skills

    專業的現場梯安裝或檢技能,良好的中文語言及文字表達能(懂英語更好) ,一腦使用技能。
  13. The reactive power optimization compensation is to find the suitable compensation place and the best compensation capacitance by adjusting the generator bus voltages, transform taps and reactive compensation capacities in the condition of satisfying power load requirement, which can guarantee the secure and high quality power for consumers. the improved genetic algorithm is applied in this thesis according to the features of reactive power optimization of high voltage transmission bus, which are the non - linear problems with multi - variables and multi - restrictions

    網無功優化補償是在有功潮流調度給的情況下,以負荷節點壓和線路輸送無功功率作為狀態變量,運用優化演算法,調節發機節點壓、變壓器可調分接頭和無功補償裝置,在滿足負荷的要求下,尋求合理的無功補償點和最佳補償容量,保證網能夠安全、優地向用戶供
  14. Aiming at the fact that power factor of low - voltage power equipment is very low in china and application condition of fieldbus technology in the world, based on enhancing power factor of ac motor, lowering losses of the reactive power, improving power quality, therefore, it is of great significance and practical value to research the reactive power compensation by applying the technology of fieldbus, computer and power electronics

    針對目前國內低壓設備用負載功率因數偏低和國內外現場總線技術的應用現狀,基於提高交流機的功率因數、降低無功功率損耗和改善量,本文綜合運用現場總線技術、計算機技術和子技術對交流機無功功率補償的有關方面進行了研究,其研究成果具有一的理論意義和實用價值。
  15. In order to ensure the whole system operate economically, power department equip transformer with onload tap changer and shunt capacitors for most distribution substations, according to the operating condition, adjusting the position of transformer taps and capacitors can control the variation of voltage and reactive power exchanger of distribution substations and power system in certain extent

    為確保整個系統運行經濟性,降低網損,部門在大多數變站配置了有載調壓變壓器和並聯補償容器組,根據運行情況適當調節變壓器分接頭的位置和投切並聯補償容器組,可以降低壓變化和變站與系統的無功交換控制在一的范圍內,確保供量和網運行的經濟性。
  16. P. i. d. interior counted microprocessor temperature difference is used for accurate, keep product ' s quality stable, and avoiding the unnecessary electric damage

    演算精準控制溫度的變化,即能使產品品亦可避免不必要的損失
  17. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時,針對直線永磁同步動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步直線機動子量變化、摩擦系數變化等造成的模型參數不確性,機運行期間存在磁密分佈變化、時間諧波等產生的推擾動等,採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器,並輔助設計了外環的pi位置控制器。
  18. Full - sealed assembling capacitor is applied to ac power system 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid, reducing transmission loss and raising the efficiency of power transmission transformation facilities

    全密封集合式並聯容器,主要用於工頻50hz或60hz ,額壓6kv 10kv及35kv的交流系統中用來提高功率因數改善量降低線路損耗,充分發揮輸變設備效能。
  19. Technical regulation for engineering geological boring of electrical power engineering

    工程地鉆探技術規
  20. Firstly, the propagation of intense laser light in ionizing gases is analyzed including the ionization - modulation instability, the vectorial and nonparaxial effects, and the mechanism of laser energy loss. secondly, we analyze the propagation of intense laser light in plasmas, and effects such as the weakly relativistic nonlinearity, the ponderomotive force and the wakefield are analyzed

    文中對強激光在離氣體中傳輸的離不穩性、矢量非傍軸傳輸和能量損耗機制,以及強激光在等離子體中傳輸的弱相對論性非線性效應、有作用和尾波場效應等都作了基本的分析。
分享友人