最大功率運行 的英文怎麼說

中文拼音 [zuìgōngyùnháng]
最大功率運行 英文
maximum capability operation
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • 運行 : move; be in motion; run; working; machine run; operation; corotation; propulsion (影片)
  1. When cooling load is less than ice - melting ability, optimal control strategy is just ice priority, optimal control saves 24 - 45 % operating cost compared with chiller - priority. when cooling load is more than ice - melting ability but still less than ice - melting ability plus half of chiller cooling ability, optimal control is to keep chiller load to half of chiller cooling ability and tune ice - melting to meet load, optimal control consumes 13 - 20 % more power but saves 9. 2 - 11 % operating cost compared with chiller - priority. when cooling load is more than ice - melting ability plus half of chiller cooling ability, optimal control is just ice - priority again, optimal control is to keep ice - melting to maximum and tune chiller to meet load, optimal control consumes 0 - 13 % more power but saves 0 - 9. 2 % operating cost compared with chiller - priority

    在冷負荷於融冰供冷時,又分兩種情況:總冷負荷小於融冰供冷加一半的單主機滿負荷時,優化控制是保持主機供冷負荷系數為0 . 5 ,通過調節融冰來改變冷負荷,此時與主機優先比較增加能耗13一20 % ,節約費達9 . 2一11 % ;在冷負荷於融冰供冷加一半的單主機滿負荷時,優化控制就是融冰優先,通過蓄冰槽滿負荷,調節製冷主機來調節冷負荷,此時比主機優先控制僅增加能耗o一13 % ,但能節約費o一9 . 2 % 。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出和斜效的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、佳輸出耦合、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小ld泵浦nd : yag激光器和透鏡組耦合高ld泵浦nd : yag激光器,對激光器的輸出穩定性等特性進了實驗研究;再次,在帶尾纖輸出的高ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模轉;後,根據泵浦光焦斑端面位置對激光輸出的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工學碩士學位論文蕩光束腰半徑時,激光輸出的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦,隨著泵浦的增加,測量范圍擴,靈敏度提高,當端面泵浦為7 . 24w (輸出為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無優化問題中負荷的非概性的不確定性問題、多目標問題、約束不可性問題進了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有損耗和電壓的模糊區間值,使網損和節點電壓偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論相結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損和節點電壓偏移量小的狀態。
  4. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入為1 . 5kw ,輸出轉速,額定輸出轉速的無級變速器的設計要求,並考慮到傳動角及變速比等因素,在動學模擬的基礎上,對動學參數進了優化;本文對變換器連續作用的初始裝配條件進了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進了強度校核計算;本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進了結構設計;後採用workingmodel3d軟體,進虛擬樣機的計算機輔助模擬設計及動學和動力學計算。
  5. Engine and performance : two stroke air cooling engine, powerful ; key parts imported, reliable and durable ; excellent start - up performance of no less than three times ' drawing, easy and convenient to operate ; chain wheel drive, minimum power loss ; constantly variable speed and disk brake guarantee your safety

    動力性能:風冷二沖程發動機,,多種進口件組裝,性能穩定可靠,壽命長;優異的啟動性能,保證您不超過三次拉動,即可啟動發動機;採用無級變速裝置及性能優良的碟剎系統,使整車安全可靠,操縱方便;鏈式傳動,令損失減至小。
  6. As a result, the peak power for operation is limited to 86% for continuous operation.

    結果,對于持續限制於86。
  7. Based on the analysis of designed cad graphics and the given parameters, computer can convert the cad graphics to a acdbpolyline which can simulate the routine of the conveyor chain. then by using the method of point - by - point strain calculation, computer could figure out each point ’ s strain of the chains under different load states, and get the results such as strain ’ s maximal and the minimal values and their positions, weight of the strain equipment and power of the drive electric - machinery that the conveyor need

    通過對設計的cad圖形和給定參數的分析,將輸送鏈軌跡轉化為一條可模擬輸送鏈軌跡的多義線,然後用逐點張力計演算法動態地計算出各種加載狀態下輸送鏈上各點的受力,得出小受力點的力的小和位置,拉緊裝置的重量,驅動電機所需的等結果。
  8. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是強、具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸,以實現兩相長期,那麼輸電系統的穩定性、可靠性將提高。
  9. As a result, the peak power for operation is limited to 86 % for continuous operation

    結果,對于持續限制於86 。
  10. Thirdly, it is supported by java technology. java language is not only a right programming language to build agent, but also it has some characters such as architecture neutral and higher safety, running java applet, program can increase the functions of the client, lighten the burden on the server, as well as can operate the client contents according to the privilege assigned, and in order to increase the safety of system. finally, in the thesis, by using the knowledge related probability and statistics, author puts forward a kind of method which can make the grade mark quantifying, and with this method, the problem which is how to get an accurate evaluation for the subjective test questions that learners answer in exam, is solved primely

    本文針對以上缺點,提出基於agent的個性化遠程教學系統,本系統中引入分散式人工智慧( dai )領域中的agent技術,在系統中構造一個學習者agent ,它隨時跟蹤學習者的學習過程,記錄其興趣、愛好等個性特徵,並適時地調整對其採用的教學策略,有效地解決了目前的系統智能性較低的缺點;其次,本系統採用xml技術來組織教學內容,改變了html中內容和形式捆綁在一起的缺點,使得內容和形式相分離,從而可以為太原理工學碩士學位論文不同認知水平的學習者提供不同的教學內容,增強了交互能;另外,本系統採用java技術, java語言不僅適合作為agent的開發語言,而且java語言具有平臺無關和安全性高的特點,通過javaapplet來增強客戶端的能,減輕服務器端負擔,並且這些appiet根據客戶賦予的權限對客戶端內容進操作,增加了安全性;後,本文用概論與數理統計學中方法,提出一種把等級成績數量化的方法,很好地解決了對學習者考試中主觀題的準確評價問題,為實現個性化教學提供了一個較準確的依據。
  11. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化計算和生物質能量利用計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進了求解,解析出各種生物質的頻因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與產油的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的小錐角設計、錐壁強度設計、生產能力設計理論和計算方法及臨界轉速理論等。
  12. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機特性及其佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的輸出曲線的可性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有、無獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;後為實現從理論到實踐的全面研究,研製出了一套小完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進了空載、並網、同步速及上、下的發電等一系列的實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可性。
  13. Based on the muscle force trait of slalom kayaking and by using the force quality testing equipment, the maximal power test of bench pull in different weight was given to the national excellent women slalom kayakists

    摘要通過研製的力量素質測試設備,根據皮劃艇激流動主要肌肉用力特點,對國家皮劃艇激流隊優秀女隊員進了不同重量下的臥拉的測試。
  14. The thesis presents a new method to calculate transient stability limit, describing the calculation problem as a best parameters selection problem, with an object of largest transport power on transmit lines and constrains of static variables and transient stability

    本文將求解暫態穩定極限問題描述為一個以輸電線路或輸電斷面輸送為目標,以靜態變量及暫態穩定為約束條件的優參數選取問題。
  15. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術,按照頂層設計思想,採用先進的專用細分控制電路和能強的80c196kc單片機來組建系統構架,設計了單片機小系統、多能i o介面電路、繼電器切換電路、鍵盤顯示電路和多能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻設定、自動調頻變速控制、細分方波切換控制,在此基礎上,該系統還設有按預置步、 led頻電壓相電流顯示等能。
  16. Having features of concentrated lubrication, neat cutting section and small curvilinear cutting, low noise, stable running, easy operation, and high efficiency, automatic knife grinding, powerful motor, this machine is and ideal cutting tool for garment industry

    本機具有集中潤滑,切口平直,且能作小曲半徑曲線裁剪,低噪音,轉平穩,操作簡便,高效,自動磨刀,採用電動機等特點,是服裝理想的裁剪工具。
  17. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取優設計方案,提高設計的準確性和成,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次流損失、擴穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  18. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取優設計方案,提高設計的準確性和成,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次流損失、擴穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  19. Furthermore, it was the first time to make a systemic analysis and study to the motion rule and affected factors of this kind of transformer. with the applications of relative polar method and equal view angle method, the transformer that satisfies the requirement of transmission rate and output motion is synthesized. thus, an original non - frictional stepless speed regulator with a 1. 5kw input power, a 1500 rotation speed, a constant150output rotation speed and a maximum 300 output rotation speed was achieved

    在此基礎上利用相對極點法和等視角法按傳動比及輸出動的要求對轉換器進了綜合,得出了輸入1 . 5kw ,輸入轉速1500 ,額定輸出轉速為150 ,輸出轉速300的新型的非摩擦式無級變速器的基本尺寸參數並應用adams軟體對其進了優化;後對該非摩擦式無級變速器進了過約束分析,提出了新型的非摩擦式無級變速器無過約束分析的機構動副的配置方案。
  20. The system runs smoothly and presents good static and dynamic performance. also, we get a good tracking result of mppt

    實際研製的樣機經實驗測試,能夠控制直流無刷電機準確換相,系統穩定,同時跟蹤也取得了很好的跟蹤效果。
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