通過式功率機 的英文怎麼說

中文拼音 [tōngguòshìgōnglǜjī]
通過式功率機 英文
thru-line wattmeter
  • 通 : 通量詞（用於動作）
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 機 : machineengine
  • 通過 : 1 （從一端到另一端） pass through; get past; traverse 2 （同意議案） adopt; pass; carry 3 （以人...
  1. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  2. Firstly, through the theoretical analysis of the flexible - oared wind generator, mechanics model of this wind generator is created. then the formula about absorbing power of the wind generator is deduced, which is the foundation of base size being determined while different grades of the wind generators are designed

    首先，通過對柔性槳風力發電機原理分析，建立了該風力發電機的力學模型，並以這一力學模型為基礎，推導出了該風力發電機的吸收功率公式，以此作為設計不同功率柔性槳風力發電機時，確定其基本尺寸的依據。
  3. The effect of cutting speed, cutting thickness, cutting knife and materials on the working power capacity is discussed. finally tractive property of road plane milling machine is also studied. through the comparison of the results of theory calculation and experimental results the equation of working power capacity of milling machine is modified

    本文對冷式瀝青路面銑刨機的動力學工作過程進行了理論分析與試驗研究，並利用金屬材料切削的基本原理，研究了主切削力，並從能量轉化守恆的角度推導了銑刨機銑刨作業阻力和功率計算公式，討論了機器切削速度、銑刨厚度以及刀具與材料特性對銑刨作業阻力和功率的影響規律，最後討論了銑刨機牽引性能，且通過試驗研究驗證了銑刨作業阻力和功率公式。
  4. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論分析、模擬分析和實驗驗證，得出這兩種旋轉變換器都能進行感應電能傳輸，但它們的傳輸功率是不同的，反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能，因此只能用在感應電能傳輸較小的場合，或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率，可用於電機的新型無刷勵磁方案中。
  5. It mainly focuses on the development of optical fiber communication and maintenance of the optical fiber line operation resulting from the expansion of network. it also changes from the positive method of maintenance to an automatic, real - time alarming and optical fiber automatic reversion system. finally the system can supervise the power of local optical fiber cable network and provide information ( including geographic information ) for the equipment management in local computer center

    它主要解決由於光通信的發展，網路規模的擴大所帶來的光纜線路的運行維護問題，並且把以前的被動維護方式過渡到自動、實時告警（報警）和光路自動倒換的模式上，同時系統提供了本地網光纜的光功率監控和本地機房設備管理信息（包括地理信息）功能。
  6. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上，重新構建了系統級故障診斷的理論基礎，定義了系統級故障診斷測試模型的三值表示；改進了系統級故障診斷的矩陣方法，重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣，由此能直觀、簡便地生成集團和極大獨立點集；補充和完善了各類測試模型的系統級故障診斷的集團演算法，通過定義集團測試邊和絕對故障集，簡化了集團診斷圖，由此能較易地找到所有的相容故障模式，即使不滿足t -可診斷性，大大減少了系統級故障診斷的復雜度，尤其是對強t -可診斷系統；首次分析探討了各類測試模型的方程解決，由此從另一角度能系統地、高效率地求出所有的相容故障模式（ cfp ） ：擴充了系統級故障診斷模擬系統的功能，快速、直觀和隨機地模擬實驗運行環境，進行清晰和正確的診斷，同時提供大量的實驗數據用於理論研究，優化演算法和設計。
  7. E ) lack of foresight on finance lease scheme, which causes irrational tenor structure and imbalanced annual outflow of rental payments, results in funding costly. to solve aforesaid problems, thesis finds out the following principles for optimizing ca ' s aircraft finance : a ) determining the volume and currencies of ca ' s cross - border aircraft finance based on the annual outflow of foreign debt repayments and annual net inflow of foreign exchange, so are the dominated currencies in debt. b ) enlarging the portion of borrowings at floating interest rate in ca ' s whole foreign debt

    針對以上存在主要問題，本文進一步提出了優化飛機融資的總體構想，包括：根據其每年的外匯流入總量及幣種構成確定國航合理的飛機境外融資規模應與負債幣種；在利率結構方面，擴大浮動利率在整個國航外債中的比重，選擇適當時機將部分固定利率貸款轉換為浮動利率貸款；在飛機引進多元化方面，通過與飛機製造廠商、出租公司飛機互換的方式優化機隊構成，結合提前中止現有飛機租賃就能夠起到優化債務結構和機隊構成的事半功倍的效果，以及在未來飛機融資中優先使用經營性租賃等。
  8. In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current

    本文首先比較了幾種變速恆頻方案，從中選擇了雙饋式變速恆頻方案；它運用雙饋電機的工作原理，允許發電機轉速變化，而在電機轉子側接入低頻勵磁電流，通過控制該電流的頻率，保證雙饋電機定子輸出的頻率恆定；再結合矢量控制技術，通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量，相應獨立地控制發電機輸出的有功功率和無功功率。
  9. ( 5 ) taking full of advantage of the ado. net and asp. net technology under the. net platform. it construct a powerful remote control and monitor system and meet the reqirment of the users. in order to achieve real - time control, it design a front environments built on the asp. net structure, from which the system can fulfill the real - time function. due to the characteristic of drain off water pump station remote control and monitor system ( big pump station need high voltage ( 6000v ) and great power ), so now do n ' t adopt the ways that client _ end controls it. in addition, the server - end design a database to manage from which the system could tackle users information and online users log in the form of winform and strengthen the safety of the system

    Net平臺下的ado . net與asp . net技術，發揮兩者的武漢理工大學碩士學位論文優勢，構造了功能更強的遠程監控系統，更好的滿足用戶的需要。系統設計中以asp . net架構為前臺環境，實現了客戶端通過ie瀏覽器來實時的監控到排水泵站的運行情況，使系統達到了實時監視，但由於大泵機工作電壓高（ 6000v ）功率大（ 100okw ）的特點，暫不採用客戶端控制系統。在服務端，設計了數據庫，並且以winform的形式來管理網路管理員和用戶的信息以及在線用戶的日誌，加強了系統的安全性。
  10. Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing

    摘要通過對我國現行減速器行業標準及煤炭行業生產現狀與國外同類減速器的對比分析，提出了不同散熱方式對減速器熱功率的影響，給出了在設計和選用大功率減速器時，針對不同的工況所應採取的有效散熱方法，保證減速器熱功率的有效提高，最大限度地發揮和使用設計機械功率。
  11. 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理論其本質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，使之適應于電力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電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力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電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電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電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（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  12. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。
  13. It is a new - style society and economy organization which depends on the government ' s guidance and supports. sharing installations such as telecommunications, internets and offices etc. also a yard for r & d manufacture operating systematic training, counsel policy credit and market - popularizing etc, in order to reduce pioneering risks and costs of s & t businesses, increase their survival rates and achievement rates, supply continually increasing tax resources and steady employment opportunities. its industrial mode is always combining s & t resources ( including s & t projects and s & t talents ) with economy resources ( including s & t capital and workforces ) and organically organizing integrating managing and operating to commercialize high - tech fruits

    這是一種新型的社會經濟組織，通過政府引導和支持，提供研究、生產、經營的場地，通訊、網路與辦公等方面的共享設施，系統的培訓和咨詢、政策、融資、法律和市場推廣等方面的支持，降低科技企業的創業風險和創業成本，提高企業的成活率和成功率，為社會提供持續增長的稅源和穩定的就業機會，其產業模式就是不斷把科技資源（包括科技項目和科技人才）和經濟資源（包括資本和勞力等）進行有機組織、整合、管理和經營，使科技成果商品化，科技企業及科技企業家市場化，網路化和國際化。
  14. Through testing research, makes certain the best combination of the mixer working mechanism and geometric - motional parameters, and check up the capability of the mixer, finds out the formulas of the vibrating and mixing mechanism power consumption by using regression analysis. finally, the author combines the research analysis and the test research result, also gives conclusions and suggestions

    通過試驗研究，確定了攪拌機工作機構和幾何、運動參數的合理組合，並檢測了攪拌機的性能，回歸分析得到了振動、攪拌機構的功率消耗計算公式。最後，根據理論分析和試驗研究結果，給出了結論和建議。
  15. The relationships between the laser performance index, such as laser power densities, pulse energy and energy densities, and the diameter of holes have been set up, and a experience formula between the energy density and the diameter of holes has been established by the regression method, based on the experiment results

    在此基礎上，本文對微噴帶激光打孔機的性能進行了試驗研究，得到了激光功率密度、激光脈沖能量和激光能量密度對打孔孔徑的影響關系。通過數據回歸的方法，建立了激光能量密度與孔徑之間的半經驗公式。
  16. 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率計算和生物質能量利用率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率（ 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行了求解，解析出各種生物質的頻率因子和活化能參數，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行了實驗觀察和測定，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行了研究，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最大產油率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，綜合運用工程力學、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（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  17. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。
  18. It is one of the most important works to run economically in today and future. the system of electric control automation in zhao zhaou is open, it bases on the net of rs485 bus control and centrally manages substation by control the main machine. the system controls the run parameter of electric equipment and the run environment by using the computer measure, communication and automation technology, it can realize measure, communicate, control and allocate in the remote area, transmit data and control through collect data and automatic count parameter

    肇州縣電力調度自動化系統是以rs485總線工業現場控制網路為基礎，通過監控主機對變電站進行集中管理的完全開放式系統，該系統綜合了計算機、測量、通訊和自動化的專業技術來監控電力設備的運行參數、監控運行環境，通過對輸變電線路及設備的交流電壓、電流的數據採集，自動計算出功率、電量、功率因數、頻率等參數，實現四遙：遙測、遙信、遙控、遙調及數據傳輸和監控功能。
  19. In this thesis, the multi - channel sharing system is considered as a stochastic service system. based on the steady state solution of the birth and death process which state space is a limited set, utilized m / m / n / n / m queue model, the call congestion ratio formula and the channel utilization ratio formula fitting to the limited user system are derived. drawing support from the visual data analyzing function of the software matlab, the value divergence between the formulas and the corresponding one fitting to the infinite user system are compared

    本文將多通道共用通信系統視為一個隨機服務系統，根據有限狀態生滅過程的穩態解，利用m m n n和m m n n m兩類排隊模型，分別推導出了無限用戶和有限用戶兩類多通道共用系統的呼損率公式和通道利用率公式；藉助于matlab的可視化數據分析功能，比較了這兩組公式在數值上的差異；指明了兩組公式的適用條件。
  20. Digital inputs are processed by fpga after being isolated by photocouplers. the results of digital inputs saved in fpga are read by tms320lf2407 periodically. the digital outputs being written to fpga are used to control empcs after being isolated by photocouplers and driven by darlington transistors

    由於數字量的路數較多，因此採用了fpga進行擴展和簡單處理，數字量輸入通過光電隔離後送給fpga進行軟體濾波，其結果由tms320lf2407定時讀取； tms320lf2407輸出的數字量先送給fpga ，再由fpga經過光電隔離和功率驅動後去控制機電式功率控制器。
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