步進發電機 的英文怎麼說

中文拼音 [bùjìnfādiànjī]
步進發電機 英文
step generator
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 進 : 進構詞成分。
  • 發 : 名詞（頭發） hair
  • 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...
  • 機 : machineengine
  • 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
  1. According to the multi - areas development strategy, the corporation has expanded its business to engineering and construction of all kinds of civil works, municipal and public works, marine works, dredging and reclamation works as well as manufacture and installation of hydraulic steelworks and electro - mechanical equipment, with the major annual capacity of 150 million m3 in earth and rock works, 15 million m3 in concrete production and placement, 10, 000 mw in installation of generating units, and 150, 000 tons in manufacture and erection of hydraulic steelworks

    根據多元化發展戰略，集團公司的業務范圍除水電工程總承包外，還將業務擴展到各類土木工程、市政工程、海事工程的設計、施工、機械設備和金屬結構製造安裝等，核心競爭力進一步得到擴展和增強，形成了年完成土石方開挖15000萬立方米、混凝土澆注1500萬立方米、發電機組安裝1000萬千瓦、鋼結構製作安裝15萬噸的綜合施工能力。
  2. To increase the utility of energy sources, it is necessary to pay full attention to the refurbish and upgrade of the generators, where the skin effect of stator bars is an important problem

    為了進一步提高能源的利用率，人們對已有發電機的增容增效引起了高度的重視，發電機定子線棒的集膚效應問題也受到廣泛的關注。
  3. My research paper can be divided into five parts : i. practical mathematical models have been derived and equations are also derived ( includes field excitation system, governing system ), which are used in generator three phases short circuit and by adding large loading. ii. simulation of the generator ' s shunt - wound run

    發電機組實用數學模型的推導（包括勵磁系統和調速系統） ，並由此推出了用於發電機三相突然短路和突加異步電機大負載模擬的差分方程；並進行了突卸負載、突加負載時調速系統的模擬過程； 2
  4. By analyses and compares, the conclusion is that it would be better to choose high resistance grounding of distribution transformer for hydro turbine in hydro power station. there is no certain conclusion for steam turbine in fossil - fired power plant. getting a clear answer to choose good generator grounding mode still needs practice and time

    經分析比較認為，在水電站水輪發電機組宜選用接地變高阻接地方式；在火電廠和熱電廠汽輪發電機組，選用何種接地方式，給出明確的結論尚需理論和實踐的進一步深入。
  5. These days, automatic measuring system has new approach for the computers a great deal application. improving the precision and speed of motor test, carrying motor identity testing and adopting new testing method becomes feasibility because of the technique of electron developed rapidly in latter - day

    近年來，計算機的大量推廣應用為自動測試系統的發展開拓了新的途徑，近代電子技術的迅速發展又為提高電機試驗的精度和速度、進行電機特性測試及採用新的測試方法提供了可能性，進一步推動了電機測試技術的發展。
  6. The paper has done all - around study on the ac excited of variable - speed constant - frequency ( vscf ) wind power generation. the author has done thorough study on the vscf wind power generation technology using wound - rotor doubly - fed induction generator, from simulation to experiment, from theory to practice. he also did at large theory analysis to the vscf wind power generation technology using cascaded brushless doubly - fed generator, and has established stability theoretical foundation for continue study work

    本文對交流勵磁變速恆頻風力發電領域的關鍵技術進行了較為全面的從模擬到實驗、從理論到實踐的深入研究，同時對具有廣泛潛在應用前景的級聯式無刷雙饋發電機變速恆頻風力發電技術也進行了洋盡地理論分析，為今後進一步的深入研究奠定了一定的理論基礎。
  7. Based on the operation principle of the system, a set of control unit is designed and some basic tests have been done

    分析了高速發電機組控制系統的工作原理，研製了一套控制系統，並對高速永磁發電機進行了初步的實驗研究。
  8. This paper discusses some research result related hev energies management system on basis of the development of hybrid electric bus - wg6120hd. the basic structure of hev energies management system is developed. the energies management system includes battery management sub - system ( bms ), engine management sub - system ( ems ), vehicle information sub - system ( vis ), energy regenerated management sub - system ( erms ), generator / electromotor management sub - system ( g / ems ), do some theory researches with test results

    本文結合混合動力電動大客車wg6120hd的開發經歷對混合動力電動汽車多能源控制系統探討了如下研究工作：建立了混合動力電動汽車多能源控制系統的基本結構，開發出了蓄電池管理子系統、發動機管理子系統、駕駛員信息子系統、能量再生控制子系統、發電機電動機管理子系統等組成部分，結合採集的有關數據對各個子系統從理論方面進行了深入探討，為以後進一步的研發工作打下了基礎、積累了經驗。
  9. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  10. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  11. Some practical method to lifting the rated capacity of vsc - hvdc is discussed. ( 4 ) the subsynchronous oscillation ( sso ) characteristics of a synchronous machine connected to a static var compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of svcs to avoid sso problem

    （ 4 ）基於時域模擬實現的復轉矩系數法，對與靜止無功補償器svc相聯接的同步發電機組的次同步振蕩（ sso ）特性進行了深入的研究，得出了一些重要結論，可為svc的設計和運行提供避免sso的依據。
  12. Section iii proposes a possible organization of a reactive power market, a regional reactive power market established according to the distribution of the load and the reactive supply. the regional reactive power market is composed of a reactive energy market based on marginal pricing and a reactive capacity market based on a reactive regulating capacity payment. the cases in section iv, based on the market organization proposals and the reactive bid structure previously presented, performed on a five - bus system and the ieee 14 bus system, are used to analysis the effects of active bid, voltage control and power factor on the reactive marginal price

    本文首先回顧了電力市場發展的歷史和現狀；然後對市場中的定價方法和無功輔助服務的內容及特點進行了總結，並介紹了一些國家的無功輔助服務市場模式和交易方法；接著立足我國國情，提出了單邊開放電力市場下的無功市場框架：即根據負荷和無功源的分佈特點建立區域無功市場，各區域無功市場又由相應的無功電量市場和無功容量市場組成；並提出了該無功市場模式下的機組報價模型和基於報價的以系統總購電費用最小為目標的無功電價計算方法；最後用一個5節點系統和ieee14節點系統進行了實例分析，初步研究了發電機有功報價、系統電壓控制以及負荷功率因數對無功電價的影響，得出了一些有借鑒意義的結論。
  13. The asynchronized synchronous generator ( asg ) ' s reactive power and active power can be adjusted independently by excitation control because of asg ' s special multi - phase wounded winding rotor structure, which provides a novel approach for improving power system ' s stability and extending generator ' s operating range

    異步化同步發電機以其獨特的多相繞線式轉子結構，通過勵磁控制可以實現無功、有功的獨立調節，為提高電力系統穩定性和擴大進相運行范圍提供了一條嶄新的途徑。
  14. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題，本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法，即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分，將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分，對前一部分採用特徵線法求解，對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解，這兩部分的求解過程交替進行，最終即可得到水電系統大擾動過程的模擬結果。
  15. Changzhou company began to develop the auto generator finish forged claw pole, and through the cooperation with valeo group, we gradually went into the international market

    常州公司開始開發汽車發電機精鍛爪極項目，並通過與法雷奧集團的合作，逐步進軍國際市場。
  16. As a part of the project of energy - saving potential diagnosis based on artificial intelligence in thermal power station, this paper elementarily studied the important factor which affects boiler ' s operation economy - loss - boiler ' s air leak

    本文作為「基於人工智慧理論的火力發電機組節能潛力診斷」課題中的一部分，針對影響電站鍋爐運行經濟性損失的重要因素? ?鍋爐漏風，進行了初步的研究。
  17. In order to push forward sustainable development of wind power generation, " the research of the mw - scale stall - regulated wind turbine generators and the key parts " has been ratified by the ministry of science and technology as one of the national high technology research and development plan ( 863 plan ). we shall form self exploit ability soon by ourselves developing and trackling some key technology, such as the total design, electric control system ( ecs ) and the design of the rotor blades, etc. during the process of localization of mw - scale wind turbine generators ( wtgs )

    為了進一步推動我國風電事業的持續發展，國家科技部將「 mw級失速型風力發電機組及其關鍵部件研製」列入「十五」國家高技術研究發展計劃（ 863計劃） ，通過自行研製和技術攻關，掌握mw級風力發電機組總體設計技術、單機電氣控制技術和葉片設計技術等關鍵部件的設計和製造技術，盡快形成自主開發能力。
  18. To solve the problem that output voltage can not be adjusted of the permanent magnet synchronous machine ( pmsm ), the paper deuelope a new type of machine, the paratactic structure hybrid excitation synchronous machine, describing the structure and working principle of the machine, and anolysing its non - load characteristics, the voltage characteristics and regulative characteristics

    摘要針對永磁同步電機磁場調節困難、輸出電壓不可調的問題，研製了一種新型的並列結構混合勵磁同步發電機，並對其空載特性、外特性及調節特性進行了分析。
  19. 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運行特性及其最佳風能利用原理，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最大輸出功率曲線的可行性，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功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大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；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；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、可行性。
  20. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後，實際研製了一套以dsp （高速數字信號處理器）和ipm （智能功率模塊）為核心的小功率混合型有源濾波裝置，在交交變頻acem實驗平臺上進行了全面的實驗研究，充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性，從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。
分享友人
分享到 Line

分享到臉書