exciting current 中文意思是什麼

exciting current 解釋
激磁電流
  • exciting : adj. 1. 令人興奮的,使人激動的。2. 【電學】勵磁的。adv. -ly
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  1. An ambient field aids the magnetization from the exciting current.

    背景場加強了激勵電流的磁化強度。
  2. 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。
  3. It is the foundations to further analysis, such as thrust calculation, selection of exciting current and design of control method

    為進一步進行推力計算、控制電流的選擇及控制方法的設計提供了理論基礎。
  4. The main achievements of the thesis include : 1 the model design of abyssal aquaculture cages ; 2 the hydrodynamic characters of the cages under the action of pure current in the states of floating vs submerging ; 3 the hydrodynamic characters of the cages under the action of pure wave in the states of floating vs submerging ; 4 the hydrodynamic characters of the cages under the joint action of currents and waves in the states of floating vs submerging ; 5 the effects of currents and waves on the exciting forces and motion of the gravity cages

    漂浮狀態和下潛狀態相比,在單純流作用下,網箱的水動力特性; 3漂浮狀態和下潛狀態相比,在單純波浪作用下,網箱的水動力特性; 4漂浮狀態和下潛狀態相比,在波浪水流共同作用下,網箱的水動力特性; 5
  5. All cores are made of high quality low loss grain - oriented cold rolled silicon steel with 45mitre joints and stepping construction to decrease the not - load losses, it has small exciting current

    全斜接縫,步進疊裝結構,空載損耗降低約20 % ,激磁電流小。
  6. Teach - nology. com offers teachers free access to 19, 000 lesson plans, 5, 600 printable worksheets, over 200, 000 reviewed web sites, rubrics, educational games, teaching tips, advice from expert teachers, current education news, teacher downloads, web quests, and teacher tools for creating exciting classroom instruction

    此網站提供英語教師19000個教案, 5600個工作表,超過200000個網頁,文章章節,教學游戲,教學妙方,專家學者的建議,教育新聞,線上下載,網頁搜尋,教師工具等。
  7. The exciting news is that the current release of groovy version jsr - 02 at the time of writing supports the

    令人興奮的消息是, groovy的當前版本(在編寫本文時是jsr - 02版)支持在
  8. Sine sweeping constant current exciting for geophone characteristic parameter measurement and identification

    地震檢波器特性參數識別的一種新的正弦掃頻恆流激勵方法
  9. Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values

    摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題,分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法,提出了採用電機磁場能量微動法計算相繞組的參數,並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。
  10. The thesis realizes the control exciting winding method and the best exciting in towards polarity method provided in this thesis with singlechip ( at90s8535 ) and scr hardware. it proves these methods are accurate and available through the control exciting winding test. analyzing the stator current and exciting current test curves on a salient - pole synchronous motor with 2kw - 4 poles, it solves the starting - difficulty of salient - pole synchronous motors, and improves motors " starting capability

    通過在一臺2kw 、 4極凸極同步電動機上進行異步起動試驗和分析試驗過程中的勵磁繞組電流和定子繞組電流的波形,證明了本文提出的勵磁控制線路的正確性和可行性,較好地解決了凸極同步電動機起動難的問題,同時改善了電機的起動性能。
  11. The theory basic of this paper is the induction of extracting exciting current and the induction of self - adaptive gain module

    本文的理論基礎是:相似電感提取勵磁電流的推導,及變增益自適應模型的推導。
  12. All vanadium redox flow battery is a new - style and environmentally friendly energy storage battery that has many characteristics such as instant recharge by replacing the spent electrolytes, discharged at large current density, really fully discharged ( 100 % ), increasing storage capacity easily, a theoretically unlimited life, sim - ple operation and maintenance. therefore, it is undergoing a exciting development and commercialization. however, there are still some questions to be solved during its commercialization, such as how to prepare highpurity vanadium electrolyte, to enhance its energy density and efficiency, to improve its charge / discharge performance. so it is very important for improving the perfoemance of vanadium redox flow battery and its commercialization to select adaptive electrode materials, to investigate the mechanism of the electrode reaction and to select some additives

    如何制備高純度的釩液流電解質、進一步提高釩電池的能量密度和效率,提高其充放電性能,是釩電池實用化過程中需要解決的問題。因此,選擇合適的電極材料,進一步探討釩離子的電極反應機理,研究釩電池在充放電過程的變化,適當選擇並探討添加劑對釩電池電行為和性能的影響,對進一步改善和提高釩電池的電性能以及釩電池的實用化具有重要的理論意義和實用價值。
  13. Actually to ensure the effect of soft - contact continuous casting, the power input should be increased to compensate the decrease in exciting current if the frequency increases

    在實際生產中,如果需要提高電源輸入頻率,則應該同時適當的增大電源功率來彌補激勵電流的減小,以保證軟接觸效果。
  14. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術,選用智能功率模塊ipm作為逆變開關器件,輸出交流脈沖勵磁信號,以調節勵磁轉換頻率和勵磁電流大小為手段,實現對磁場旋轉頻率和磁場強度大小的有效調節,並通過閉環反饋實現閉環恆流控制。
  15. The core loss is an important criterion of its performance. if the core loss is too large, it will be heated and the efficiency will be decreased when add the exciting current to the stator coils

    鐵損是評判電機鐵芯性能的一個重要指標,如果鐵損太大,在定子繞組中加勵磁電流后則會產生發熱和效率下降等不良現象。
  16. Simulation and analyses on the model are done. the paper gives detailed analyses of the motor ' s exciting current by the experiment of the voltage regulation system for the first time. the methods of improving automatic voltage regulator are presented based on the analyses of results

    然後設計了發電調壓器的硬體電路,建立了調壓系統的頻域模型並進行了模擬分析,對發電系統作了較為全面的實驗,首次詳細分析了勵磁電流的變化規律,分析了實驗結果,提出了調壓器的改進。
  17. In this method, the similar inductance is used to extract the excitation current of ct, which, through some electronic circuits, turns into proper compensation current and is injected into the compensation winding. this current replaces the exciting current, so the error is reduced

    本文的實現方法是採用具有與電流互感器鐵芯相似磁特性的鐵芯製成的電感提取電流互感器的勵磁電流,將該勵磁電流經過一些電子電路的處理,產生補償電流,注入補償繞組,從而減小電流互感器的誤差。
  18. Because the dynamic character of pma is affected by permanent magnet and exciting current, in this paper, new mathematic model and equation are established and the calculation result is analyzed

    在動態計算中本文根據永磁和激磁電流共同作用這一特點,建立了相應的數學模型,給出了動態微分方程組的求解方法,並對動態過程進行了分析。
  19. In the calculation of static magnetic field, the finite element method ( fem ) is used. the force characteristic of pma with exciting current and without exciting current are calculated and analyzed

    其中靜態磁場的計算採用了目前應用較為廣泛的有限元方法,對永磁單獨作用的機構靜態吸力特性和激磁電流與永磁共同作用的吸力特性進行了分析計算。
  20. Transient exciting current

    瞬時勵磁電流
分享友人