harmonic power 中文意思是什麼

harmonic power 解釋
諧波功率
  • harmonic : n 1 【音樂】泛音;和聲。2 〈 pl 〉【數學】諧函數,調和函數。3 【物理學】諧波,諧音。adj 1 和睦的...
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  1. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜密度,以及沖擊響應的最大幅值和恢復時間等。
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  3. Such as harmonic distorted in front analog circuit, sample clock shaking, analog power and the noise in ground plane etc. some suggestion of circuit design is given to improve high - speed a / d circuit performance

    在高速模數轉換電路的應用設計中地電源供電設計、模數地平面設計、采樣時鐘設計等方面提出一些具有指導性的意見。
  4. Application of wavelet transform in power system harmonic analysis

    小波變換在電網諧波分析中的應用
  5. Study on harmonic analysis in power systems based on neural network

    基於神經網路的電力系統諧波測量方法研究
  6. Harmonic analysis of high frequency ac power distribution system in electric vehicle

    電動汽車高頻交流功率分佈系統的諧波分析
  7. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特有的「電源諧波」特性,深入分析了濾波器方案,得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構,並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  8. Series reactor is applied to ac power system with rated voltage of 6kv - 63kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation. it can restrain harmonic current and surge current in capacitor banks so that the capacitor will operate reliably

    Ckdk型串聯電抗器,適用於6 63 kv電力系統中,與並聯電容器相串聯,用以抑制電網電壓波形畸變,從而改變電網質量和保證電力系統安全運行抑制流過電容器組的諧波電流和限制合閘涌流,從而保護電容器的安全可靠運行。
  9. Study on the superposing methods of multi harmonic wave source based on the matlaib power supply system

    的供電系統多諧波源疊加方法的研究
  10. With adaptive ability, harmonic current detecting approach, based on ann, can accurately and real - timely detect harmonic currents for power network

    基於人工神經元自適應的諧波電流檢測方法,能夠準確、實時地檢測電網中的諧波,且有一定的自適應能力。
  11. Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc

    熟悉項目中的高、中、低壓配電系統和功率因素補償研究及諧波分析, ups和直流電氣系統,功率計量,相關計算(包括短路計算和保護裝置協調分析,照明保護計算,發電機功率計算等) 。
  12. Traditional energy meter can cause errors under the condition of harmonics due to its structural characters, and at the same time harmonic loads take in foundational power and send out harmonic power. this paper proposes a new way and realizes accuracy and fair energy metering

    傳統的電能表在諧波存在下由於自身的結構特性會產生誤差,就此進行分析提出了新的電能計量方法,應用虛擬儀器技術實現了準確、公平、合理的電能計量。
  13. The harmonic power flow is the most valid method to study power system harmonic

    諧波潮流計算是研究電力系統諧波最為有效的手段。
  14. Detection and measurement device of harmonic electric energy based on harmonic power tidal current analysis

    基於諧波功率潮流分析的諧波電能檢測與計量
  15. The harmonic impedance is very important to harmonic power flow and analysis of harmonic at pcc

    諧波阻抗對于進行諧波潮流計算和分析pcc處的諧波是至關重要的。
  16. In order to calculate the harmonic power flow, the parameter model of the elements and loads in power system must be achieved

    進行諧波潮流計算必須得出電力系統元件及負荷等的諧波參數模型。
  17. The harmonic power flow algorithm, particularly the three - phase harmonic power flow algorithm of power system is studied based on these harmonic models

    在此基礎上,研究了電力系統諧波潮流演算法,特別是三相諧波潮流演算法。
  18. This paper presents a three - phase harmonic power flow algorithm using phase components and back - forward sweep method to solve the disconvergence when the three - phase transformer harmonic model was used. the example result presented the method was feasible and

    本文針對在進行三相諧波潮流演算法時因引入三相變壓器諧波模型而可能導致計算結果不收斂問題,提出了諧波潮流計算的相分量法,其中引用了前推-回代法。
  19. Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation. in some case, low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi. it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range. among all chaotic switching modulations, the ccfmfd is considered as the best choice in applying to dc / dc converter

    與隨機調制模式相同,混沌開關調制模式也引入輸出低頻噪聲紋波,有些情況下低頻噪聲紋波可能抵消混沌開關調制降低emi水平的效果。分析表明: ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優點,可以作為混沌調制模式較佳的選擇。
  20. This thesis analyses the present situation of energy metering in bishan network and some network at home, main factors which lead to inaccuracy of energy metering are dissected and the severity degree are pointed out. the method of enhancing accuracy of metering using modern technique are put forward which including : 1 ) modernization of meter, replacing the induction watthour meter with full electronic watthour meter ; 2 ) put real time change of mutual inductor ratio of transformation into consideration, method on real - time computation are presented. 3 ) using full electronic watthour meter to measure fundamental power and harmonic power separately and discussing idea of billing on harmonic

    這些方法包括: 1 )計量儀表的現代改造,用全電子式電能表代換感應式電能表; 2 )計及互感器變比的實時變化,對互感器的變比進行實時模擬計算,並提出了實時計算的方法; 3 )用全電子式電能表對基波電能與諧波電能分別計量,並討論了對諧波電能計費的觀點。
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