in phase current 中文意思是什麼

in phase current 解釋
同相電流
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • 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. The induced electromotive force and the current do not move along evenly together, that is, in phase.

    感應電動勢和電流並不協調一致地變化,即並不同相位。
  2. Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep

    本文以三相反應式步進電機為實例,對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究;實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上,本文對細分驅動環形分配器的設計和微步距測量修正進行了創新;提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。
  3. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷,更將故障定位在故障線路最小故障區段。
  4. Based on quasi - linear model of sr motor, the influences of angle on phase current, output power, energy loss are analyzed. an optimum result of angle is produced in accordance to given target

    基於sr電機的準線性模型,本文分析了開通角和關斷角與相電流、輸出功率以及損耗之間的關系,並根據給定的優化目標,給出了該電機開通角和關斷角的優化結果。
  5. Currently, the large space vehicle ’ s vibration test usually adopted dual - shaker system, the electric current phase synchronous controller is one of the equipments importantly in the system. the existing control equipments make use of tri - tek704d controller, and the current feedback in - phase control method

    目前,我國大型航天器環境振動試驗採用多振動臺同步激勵的試驗系統來完成,電流相位/幅值同步控制器是並聯雙振動臺同步控制系統中重要的組成設備之一。
  6. In this thesis, phase - locked loop ( pll ) technogies are used to acquire phase of fundamental current in bais current, which enhances the detecting precision of bais current. and we want the phase of bais current and the phase of system current is the same, so this thesis think of locking the phase of bais current which based on this theory to sure the security and the reliability of apf

    本文採用鎖相技術,以獲得畸變電流中基波電流的相位,進一步提高了畸變電流的檢測精度,並據此原理考慮鎖定補償電流的相位,使補償電流與系統電流相位同步,保證apf安全可靠運行。
  7. Abstract : the phenomenon of light and heavy steps in 5 - phase hybrid stepping motors is investigated. focusing on the relationships between phase - current and phase - voltage caused by different switching modes, a proposal to improve the light and heavy steps under3 - 4 phase mode is presented and the well - agreed experimental results are given

    文摘:研究了五相混合式步進電動機4 5相通電運行時的輕重步現象,通過分析不同通電方式時導通與截止相的相電壓變化對相電流的影響,闡明了3 4相通電方式可以改善電機輕重步現象的機理,並進行了實驗驗證。
  8. In order to consider the different heating of positive - sequence current and negative - sequence current of the motor stator generally, the equivalent current is adopted instead of the traditional phase current. the way how to gather positive - sequence current and negative - sequence current is brought forward, and the recurrence fourier - algorithm is adopted to calculate the effective value of current and voltage, the effective value of positive - sequence current and negative - sequence current

    為了全面考慮感應電動機定子正序電流和負序電流的不同發熱效應,提出了正序電流和負序電流獲取的方法,並採用遞推傅氏演算法來實現電流、電壓及電流正序和負序分量的有效值的計算。
  9. Firstly, the experimental phase current and input power data obtained from load test are employed to estimate the parameters in ii rated condition. then, the phase current and input power data in locked rotor condition are used to track the variation of the parameters of the secondary coil with slip frequency. the classical method and the direct modification method are also used to estimate the parameters of the induction machine in comparison with this technique

    首先利用了負載試驗的定子電流和輸入功率數據來識別額定工況下的電機參數,然後又使用了堵轉時的定子電流、輸入功率數據來識別電機二次繞組參數隨轉差頻率的變化,並與傳統參數測試方法和直接修正參數法進行了比較。
  10. At low frequencies, the current in the collector of a transistor is in phase with the applied current at the base

    在低頻段,晶體管的集電極電流與施加在基級的電流同相。
  11. If balanced three - phase current flow through these three - phase distributed windings, a rotating magnetic field of constant amplitude and speed will be produced in the air gap and will induce current in the rotor circuit to produce torque

    如果平衡型三相電流流經這三相分散式繞組,將在氣隙中產生振幅及速度穩定的旋轉磁場,並會誘發電流在轉子迴路產生轉矩。
  12. The vector relation among voltage, current and magnetic potential in phase shift regulating auto - transformer are analyzed. the parameter algebraic relation and the winding magnetic potential relation are gained

    摘要分析了自耦調壓移相變壓器的電壓、電流、磁勢相量的關系,得到了各參數間的代數關系及各繞組的磁勢平衡關系。
  13. In sensored case, the theory of hall signal checking ahd how to change phase are discussed. in sensorless design, using a single line resistance measure phase current and estimating rotor position are brought forward by analyse associate codes. at the same time, problems and solution which meet in task are mentioned in report

    在有位置傳感器方案設計過程中,詳細討論了霍爾位置信號檢測原理和換相控制原理以及實現過程;在無位置傳感器方案設計中,提出了單電阻電流檢測原理和位置估算的演算法,並且對相關的軟體代碼進行了分析。
  14. This was a milestone for the fund, signifying that it had successfully completed its transition phase. mr lai noted after achieving full " untying ", the next challenge was to maintain a high - quality and sustainable operation in the current economic climate

    黎仕海指出,在全面開放市場后,營運基金的下一個挑戰,就是要在現時的經濟環境下,繼續提供優質服務,同時令營運基金可持續發展。
  15. This paper puts emphasis on dynamic simulation based on switched reluctance drivers ' s ( srd ' s ) nonlinear model, and study of fuzzy control for srd. based on switched reluctance motor ' s linear, nonlinear model, the dynamic simulation model of srd ' s is built respectively. the phase current, phase torque, total torque and speed of srm in current chopping control ( ccc ) and angular position control ( apc ) are calculated respectively with this simulation

    本文在分析sr電機線性、準線性、非線性模型的基礎上建立了四相( 8 / 6極) sr電機調速系統( srd )動態線性、非線性模擬模型,分別對電流斬波控制方式( ccc )與角度位置控制方式( apc )下sr電機相電流、一相轉矩、合成轉矩及角速度進行了模擬。
  16. In modern parlance, the two currents are 90 degrees out of phase, and the motor runs on two - phase current

    以現代的講法,這兩道電流的相位差了90度,而馬達是靠著雙相的電流運轉。
  17. Through research on principle and approach, this paper puts forward three new methods in power cable fault location. the first method is based on wavelet reconstruction, and the measured signal which is the difference between the faulty and sound phase current under the high voltage pulse excitation, is transformed using wavelet, and the high frequency component is reconstructed at single scale

    基於小波重構的電纜故障測距方法採用脈沖電源作用下故障相與健全相的電流差作為測量信號,利用小波變換對其作多尺度分解,然後對信號在高頻下進行單支重構。
  18. These studies in the thesis have been done as follows : it is proved that if the three - phase single - switch boost type power - factor - correction can work in continuous - current - mode, its power factor can not reach unity. therefore, it is not qualified for high power and high requirement application. according to the ac side equivalent circuit of the three - phase three - switch boost type power - factor - correction, the equations to realize unity power factor have been deduced and realized by integrate - reset - control circuit

    本論文把積分復位控製成功應用於三相功率因數校正技術中,作了以下幾方面的研究: 1 .從理論上證明了三相單開關boost型pfc即使工作在ccm ,其功率因數也不能達到1 ,在大功率和對功率因數校正能力要求較高的場合,三相單開關boost型pfc達不到要求, 2 .根據三相三開關boost型功率因數校正交流側的等效電路,推導出實現單位功率因數所需的控制方程,並用積分復位控制電路進行實現,在理論研究的基礎上進行了模擬研究。
  19. The first one is based on keeping the input current vector in phase with the input voltage vector

    第一種方法基於使輸入電流矢量與輸入電壓矢量保持固定偏置角。
  20. Railway applications - fixed installations - particular requirements for a. c. switchgear - measurement, control and protection devices for specific use in a. c. traction systems - single - phase current transformers - single - phase current transformers

    鐵路設施.固定裝置.交流電開關的專門要求.交流牽引系統特殊使用的測量控制和保護裝置.單相電流變壓器
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