零功率電平 的英文怎麼說

中文拼音 [línggōnglǜdiànpíng]
零功率電平 英文
zero power level
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  1. The high power eletric motor increases the rotary inertia. after balance adjustment, the mechanical viberation and running noise of the rotary parts are remarkably reduced

    ：採用大功率電機后轉動慣量較大，轉動零件經過平衡調整后機械震動和轉動噪音較以前產品顯著減小。
  2. The harmonic voltage at zero power test of longquan hvdc converter station is calculated

    摘要計算了龍泉政平hvdc工程龍泉站系統試驗期間零功率試驗時的諧波電壓。
  3. 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

    從輸電損耗最小的角度出發，提出了任意相無中性線或有中性線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，且能分解出零序電流的有功分量和無功分量，並給出了通用的零序電流補償方法，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。
  4. The following is the main works and conclusions of this thesis. the novel upfc needs high power rate because it is generally used in high voltage transmission lines. after studied high - power converters and the literatures of upfc, the main circuit topology of novel upfc base on diode - clamping multilevel inverter is presented and the principle of using novel upfc to eliminate zero sequence and negative sequence currents is analyzed

    本文所做的主要工作及得出的主要結論如下：由於upfc一般用於高壓輸電線，其功率等級要求很高，在綜合研究大功率變換器和upfc現有文獻的基礎上，提出了基於二極體箝位多電平變換器的新型upfc的主電路拓撲，分析了用其來濾出高壓輸電線非全相運行時所產生的零序和負序電流的原理。
  5. The validity and superiority of all these are proved by use the parallel converter of novel upfc to implement reactive current compensation, zero sequence and negative sequence currents compensation, harmonic currents compensation and the mixed compensation of them. this thesis also studies that use novel upfc to implement two phases operating in high - voltage transmission lines by theory analyze and simulation testify

    提出了基於多電平變換器的廣義大功率有害電流補償的概念，提出了適合於它的多環定時滯環控制方案，通過用新型upfc的並聯變換器實現無功補償、零序和負序補償、諧波補償及它們的綜合補償來驗證了其有效性和優越性。
  6. The zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode, the output rectified voltage is close to the output voltage over the entire input voltage range, thus the output filter can be reduced significantly, leading to high power density and fast dynamic response. so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells, photovoltaic cells, and telecom power supplies, where the voltage varies in a wide range

    零電壓開關復合式全橋三電平（ zero - voltage - switchingpwmhybridfull - bridgethree - level ， zvspwmh - fbtl ）變換器可以工作在三電平模式和兩電平模式，在很寬的輸入電壓范圍內，輸出整流電壓都接近輸出電壓，從而可以減小輸出濾波器，因此可以提高變換器的功率密度和改善動態性能。
  7. The results indicate that asvg not only can compensate reactive currents, but also can effectively filter the harmonic currents, negative sequence currents and zero sequence currents

    模擬結果證明基於空間矢量調制的asvg既能夠補償不平衡系統的無功功率，同時又能夠有效地濾除系統中的諧波、負序和零序等有害電流。
  8. The parts of the unproved diesel are reliable and did not have obvious wearing. the specification of the new diesel met the requirements of mwm co. the purpose of improving design was established. the new diesel extended the power range selected for marine electricity generation stations

    經過結構改進、提高功率的tbd604bl6柴油機經過性能試驗和1ooh可靠性考核試驗、分解檢查，表明tbd604bl6柴油機經過優化設計后，功率捉高了10 ，並且運轉平穩，性能參數正常，零部件可靠，無明顯磨損，符合duetz - mwm公司的技術要求，達到了改進設計的目的，為將來船用主機、船用電站的選型擴大了功率范圍，使tbd604b柴油機綜合性能達到國內領先水平。
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