輸電線損耗 的英文怎麼說

中文拼音 [shūdiànxiànsǔnhào]
輸電線損耗 英文
transmission line losses
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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) ...
  • 電線 : (導線) wire; electric wire; current lead
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. 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

    路模擬軟體pspice中進行了mosfet開關路以及典型dc dc轉換路模擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對模擬曲進行擬合,計算出相應的能量數據,最後綜合模擬結果確定出減小器件開關,提高dc0c轉換路效率的器件容cob優化曲
  2. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    感應通信是基於磁感應原理,利用磁耦合完成車輛與地面雙向數據傳的一種通信方式,具有傳小、覆蓋路長、架設方便、易於維護等優點。
  3. In this paper, the research progress of ac losses of high temperature superconductors and the existing problems on ac losses investigation are introduced ; the characteristics of the critical current and ac losses of hts tapes, stacked tapes and hts coil, such as electro - magnetic characteristics, the anisotropy, the mechanics characteristics and the effects of insular layer between stacked tapes and the influence of frequency of ac transport current etc, are investigated

    本文在系統介紹高溫超導體的交流及其研究現狀與存在問題的基礎上,從理論和實驗兩方面,研究了bi系高溫超導單根帶材、多根超導並聯組合帶材、及超導圈的臨界流與交流的特性:重點研究了交流與臨界流的磁特性、機械特性、各向異性特性、及帶間絕緣層與傳流頻率對交流的影響等。
  4. A much smaller power loss occurs in the cable when energy is transmitted at high voltage.

    用高壓能時,沿的功率小得多。
  5. High voltage is the best way to transmit power ( the higher the voltage, the smaller the loss ), but high voltage is not usually what the user wants

    但是由於交流路在長距離的情況下太大,時至今日「全歐聯網系統」仍未建成。
  6. With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency

    隨著子技術進一步向高頻的大功率用領域發展,功率mosfet在各種力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間容引起的能量將會影響到功率轉換路的能量傳效率,特別是在以mosfet作為開關器件的高頻感應加熱源中(工作頻率可達兆赫) , mosfet在開關過程中的能量嚴重影響到源的效率,因此如何減小開關器件的提高高頻功率轉換路的效率成為子技術領域的重要研究課題之一。
  7. 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機的準性模型,本文分析了開通角和關斷角與相流、出功率以及之間的關系,並根據給定的優化目標,給出了該機開通角和關斷角的優化結果。
  8. From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed

    最小的角度出發,提出了任意相無中性或有中性系統的瞬時無功功率理論,在新的理論下,每個量都有清晰的物理意義,且能分解出零序流的有功分量和無功分量,並給出了通用的零序流補償方法,揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別,從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。
  9. On the condinary, much reactive capacity loaded would be bad, and net ' s voltage would be higher and its security would be influenced. with the needs of reducing line loss, to study the method of compensating reactive capacity has been an important task in power department

    同理,如果就地投入補償過大,多餘的無功就要通過路向其他設備或區域送,也會造成無功和有功,使得用戶的壓偏高,影響到力網的安全經濟運行。
  10. With the increasing of digital cable transmission frequency, srl ( structural return loss ) on - line evaluation using diameter data of digital cable core became a method of cable quality control. higher measuring precision and higher measuring speed of the diameter gauge was required

    此外,由於數字通信纜傳頻帶的提高,對均勻性要求也不斷提高,採用直徑信息來在評估數字通信纜的srl (結構回波)成為也質量控制一種方法,這就對測徑儀的測試性能提出了更高的要求。
  11. The main research aspects are as follows : the method of ac transport losses measurement in ac applied magnetic field was investigated. upon the analysis of ac loss measurement, a method to measure ac transport losses in ac applied field was proposed by use of double " 8 " shape coils. a programme controlled system was set up to measure ac losses of hts tapes and coils, which can ensure the experiment data needed by theoretical analysis and verification

    主要包括:在實驗方面,探討了交流背景磁場下高溫超導帶材的交流傳的測量問題,通過對交流測量的理論分析,提出了採用雙「 8 」字形勢引測量交流背景磁場下高溫超導帶材交流傳的方法;建立了超導帶材短樣及圈交流測量系統;從而為交流的研究提供實驗數據與理論檢驗標準。
  12. Quick and frequent cutting for a few sets of capacitors shall be carried out, of which the factors of electric power shall be maitained in optimum condition so as to minimize the line loss, increase effective output capacity of distrubuting transformer and optimize the quality of power demand

    對多組容器進行快速而頻繁的投切,使受功率因數始終保持在最佳狀態,從而最大限度地降低和增加配變壓器的有效出容量,優化用質量。
  13. By measuring in transmission, rather than in reflection, it overcomes the limitation imposed by cable loss on the use of the switched reflectometer

    該方法對傳信號而非反射信號的測量,克服了引起的對交換反射計的使用限制。
  14. Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability

    而光控相控陣雷達採用光子技術,通過光實時延遲的方法來抵消孔徑渡越時間,可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化,並具有強的抗磁干擾的能力;另外,由於光纖傳具有低、頻帶寬等固有優點,採用光纖連接雷達天和雷達控制中心,可以使兩者的距離較採用同軸纜有較大的提高,更有利於保護雷達控制中心。
  15. A new terahertz source of folded waveguide traveling - wave - tube which based on vacuum electronics is introduced, which may answer the question for scarcity of small, economical terahertz source with continuous wave of high average power. secondly, transmission characteristics of terahertz wave in the periodic slow wave circuit of folded waveguide traveling - wave - tube have been researched combined with development of micro - fabrication technology. dispersion relation and interaction impedance of the slow wave circuit are deduced by the way of equivalent circuit, and results accounted by theory are close to those simulated by software

    其次,結合計算機模擬技術對這種新型太赫茲輻射源的折疊波導慢波路傳特性進行研究:用等效路法從理論上推導了慢波路場、色散關系及路耦合阻抗,磁模擬軟體計算得出的慢波路色散曲與理論計算所得結果基本上一致,表明這種尺寸的慢波路在太赫茲頻段有著色散曲較平坦以及寬帶、低的良好傳特性。
  16. Full - sealed assembling capacitor is applied to ac power system 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid, reducing transmission loss and raising the efficiency of power transmission transformation facilities

    全密封集合式並聯容器,主要用於工頻50hz或60hz ,額定壓6kv 10kv及35kv的交流力系統中用來提高功率因數改善網質量降低,充分發揮設備效能。
  17. So it is an important research in the field of the electronic technology to reduce the loss caused by the switching device and to improve the efficiency of high frequency power converters. this paper primarily focuses on the optimization of the mosfet parasitic capacitance so as to reduce the switching loss and improve the efficiency of power transforming in converters using mosfet as switch

    通過分析mosfet器件的開關特性,根據容c _ ( oss )給器件引進的動態來確定優化器件容西安理工大學碩士學位論文l變化曲的目標函數,運用可行方向法求解帶約束條件的最優值,確定出優化的容人變化曲
  18. Firstly, the propagation of intense laser light in ionizing gases is analyzed including the ionization - modulation instability, the vectorial and nonparaxial effects, and the mechanism of laser energy loss. secondly, we analyze the propagation of intense laser light in plasmas, and effects such as the weakly relativistic nonlinearity, the ponderomotive force and the wakefield are analyzed

    文中對強激光在離氣體中傳離不穩定性、矢量非傍軸傳和能量機制,以及強激光在等離子體中傳的弱相對論性非性效應、有質動力作用和尾波場效應等都作了基本的分析。
  19. Radome is designed to protect the antennas from the external environment. however, radome is interfering with the electromagnetic radiation of antenna, which may result in significant degradation of antenna performance, cause transmission attenuation and beam deflection

    罩在保護天不受外界影響的同時對天磁輻射產生某些干擾,使天性能降低,引起天的傳和波束偏移。
  20. With the expanding of the power system, power plants are far away from each other geographically, and the network loss caused by power transmission among power plants must be considered during economic dispatch and control

    隨著力系統規模的擴大,各發廠在力系統中的地理位置相距較遠,在進行經濟分配時,則必須考慮廠間傳送功率所帶來的網路中的有功功率
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