電損耗模量 的英文怎麼說

中文拼音 [diànsǔnhàoliáng]
電損耗模量 英文
electrical loss modulus
  • : 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...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. And experiment was based on the simulation, the results show that charge circuit and uplifted circuit both was adopted the same circuit, which can realize energy bi - directional flow, also have low switch ullage and high dynamic response

    在此基礎上進行了實驗研究,擬和實驗結果表明,該裝置升壓和降壓只採用同一個主路,即可實現能的雙向流動,且具有低開關和較高的動態響應。
  2. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    子線路擬軟體pspice中進行了mosfet開關路以及典型dc dc轉換線路擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對擬曲線進行擬合,計算出相應的能數據,最後綜合擬結果確定出減小器件開關,提高dc0c轉換線路效率的器件輸出容cob優化曲線。
  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

    對配壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用糊區間來描述實際的負荷情況,並用負荷的糊區間值計算配網的潮流,得到有功功率壓的糊區間值,使網率和節點壓最大偏移的隸屬函數更接近實際情況;將改進遺傳演算法與糊集理論相結合,通過求解多目標函數和約束條件的糊集合的交集,得出網率和節點壓最大偏移最小的最優運行狀態。
  4. With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth

    隨著激光技術的發展,諧振腔由於其腔內小、精細度高、線寬窄等特點,使得其在監視激光式、測並壓窄激光線寬、激光式清潔、激光穩頻、激光光譜學、腔動力學等方面起到重要的作用。
  5. Based on the breakdown model of blemish dielectrics, the dielectrics state of power cable can be monitored using measures of the loss current from the shield of power cable that is sparked by the disturbing source in power network

    藉助于含有缺陷的絕緣擊穿型,利用力系統固有的干擾作為信號源,直接測纜屏蔽層的流,監測纜絕緣運行狀態。
  6. Through the loss model of lim, best efficiency control scheme is proposed based on the vector control, by which low efficiency of lim under light load or low speed is improved. the control scheme is proved effective through simulation under a specified speed - location curve

    通過建立型,在矢控制的基礎上設計了最優效率控制策略,解決了輕載或低速運行時的效率低下問題,通過指定速度位置曲線下的擬分析驗證了控制策略的有效性。
  7. For the algorithm of reactive power optimization, presented in this paper, in order to found the linear programming model equations, the objective function is minimum total power losses, the controlled variables include the compensating capacity of reactive power, generator bus voltages and transformer tap positions, the state variables include reactive power of the generators, and the voltage amplitudes in the ends of transformers

    本文研究的力系統無功優化演算法是以整個網路的最小為目標函數,以無功補償設備出力、發機端壓和可調變壓器變比為控制變,以發機的無功出力和變壓器端壓幅值為狀態變建立了線性規劃型方程。
  8. Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance

    對于已經大採用高頻軟開關技術的源,限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件,而磁集成技術由於具有可以減小磁件體積重,減少磁件,減小輸出流脈動,改善輸出動態性能等優點,成為目前子技術的研究熱點之一。
  9. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重點研究了含有諧振極無緩沖容的逆變器,對其換流過程中的不同工作狀態進行分析,討論了如何減小逆變器的開關,給出了最佳工作狀態下緩沖容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大擬和實驗波形證明了理論分析的正確性。
  10. Switching losses analysis indicates that the switching losses can be extremely reduced with different load qualities by choosing proper phase - voltage modulation method. the method of minimum switching losses svm is investigated. the modulation functions of a quasi - optimum method and a two - phase modulation method are given

    本文深入研究了一種基於壓空間矢的最小開關pwm技術,給出了準優化方法和二相優化方法的相壓調制函數,並在理論分析的基礎上,通過擬實驗,對兩種減少開關的方法和調制與過調制進行了分析。
  11. The analysis and study on the dynamic efficiency of pmsm performing under the various loads. the influence of machine ' s parameters on dynamic efficiency and dynamic power factor is studied ; this has significant meaning for design of pmsm applied in the various load fields. the theoretical analysis and fem calculation fo air - gap magnetic field of pmsm is done

    在建立永磁同步動機dq軸數學型時,考慮了機的鐵和雜散,提高了擬計算的精度,根據實測的負載變化情況,對永磁同步動機的動態性能進行擬,並研究分析了機各參對其動態平均效率和動態平均功率因數的影響,總結出變化規律。
  12. Abstract : a mathematical model of electrical data calculation of coreless induction furnace is proposed and a useful method of measuring stray loss and electrical resistivity at high temperature of crucible is given

    文摘:提出了一種無芯感應爐參數計算的數學型,給出了測雜散和坩堝高溫阻率的實用方法。
  13. Minimize depletion save consumptions of electricity and water,

    減低機構
  14. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態型與高溫超導體的有效質理論,建立了高溫超導帶材及並聯堆疊帶材的交流與臨界流的各向異性理論型;給出了高溫超導帶材的交流及臨界流隨(交、直流)背景磁場與超導帶面夾角變化規律的理論公式;依據所建立的高溫超導短樣帶材的各向異性理論公式,給出了高溫超導線圈交流的數值計算型;並利用該型,計算了高溫超導雙餅線圈的交流;並與實驗測結果進行了比較分析。
  15. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停時間上都占據總60以上。因此,及時了解斷路器的工作狀態對提高供可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路流分斷次數,計算每次分閘對應的觸頭壽命,預測觸頭壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷流間接計算主觸頭迴路的阻;在硬體路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用壓范圍給設計帶來的特殊問題;在通信塊的設計中,解決了不同工作壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  16. Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate

    在對分析的基礎上,建立了考慮鐵時異步機的動態數學型,推導出在同步旋轉坐標系下變速、變轉矩時使機功率最小的方法,並且結合矢變換提出了基於快速轉子磁場定向的矢控制。
  17. In this paper the measurement of conductive emi emission is discussed, and the design of cm / dm discrimination network is also presented, further, the performance of insertion loss ( il ) and common - mode rejection ( cmr ) is researched, together with the test approach and experiment results

    摘要分析了傳導性磁干擾信號的測方法,提出基於共( cm / dm )信號的識別網路設計,進一步研究了態識別網路的插入( il )及共抑制比( cmr )等重要性能,並給出態識別網路的性能實驗設計與分析方法。
  18. When the motorcycle is braking or slowing down, the kinetic and / or potential energy is fed back to the battery, so the running distance can be extended and the energy efficiency is improved. an asynchronous motor is employed in this new system which can overcome the traditional dc drive system bugs and to reduce the cost and maintenance. in addition, the switches of dc / dc converter switch under zero current and zero voltage conditions, which can also reduce the switch losses, electro magnetic interference ( emi ) and prolong its life

    該系統在功能上實現了車輛剎車減速或下坡制動時能的回饋,達到節能、提高能使用效率和增加車輛行駛距離的目的;採用交流異步機,克服了傳統直流驅動系統的諸多缺陷,降低了成本,減少了維護;採用zczvs技術,降低了磁干擾和,提高了效率;另外,在逆變主路中採用ipm塊,簡化了系統結構,節約了空間,提高了整個系統的可靠性和經濟性。
  19. In order to optimize the modulation performance, the relationships between the modulation signals ( include fundamental signals and zero - sequence signal ) and space vectors, between the modulation signals and space - vector sectors were discussed, then three kinds of optimal switching pattern of space - vector modulation are established

    文章首先從研究svpwm調制中零序信號與零壓矢和非零壓矢之間的關系這一獨特角度出發,探討了svpwm的優化調制方法,找出了三種開關小、適用於高頻化逆變器的優化開關式。
  20. The other is to simulate simple lc filters which call ideal and real inductors model, then we can get the simulating results such as time 、 phase movement and amplitude - frequency specifications are very different mainly due to hysteresis. in all, this paper presents some called real inductors models and provides a design method of real inductor model

    擬結果表明,調用磁芯型的擬曲線比調用理想感的情況滯后、幅值小,反映了磁芯感元件的、磁滯效應和磁滯都影響濾波器的時移、相移和幅頻特性。
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