pulse converter 中文意思是什麼
pulse converter
解釋
脈沖變換器-
Modular pulse converter supercharging
模組脈沖轉換增壓 -
The simulation results are all in accordance with the theory analysis, some even better than the theoretical specification. the basic principle of discrete pulse frequency modulation on step - up dc / dc converter is testified, and this effort accumulates more experience to design
在完成電路原理分析與電路設計的基礎之上，應用eda軟體hspice對各個子電路模塊和整體電路進行了功能模擬及量化模擬，模擬結果均達到或優于預定指標。 -
High - frequency link power converters are receiving increasing attention. when the input frequency of ac - ac converter is quite high, such as 20khz or above, in order to make sure the converter switching action is restricted to the zero crossing point of the link voltage, the switching cycle becomes discrete pulse spectrums, however, the conventional pwm converters are ruled out because they would fail either to the efficiency or the low - distortion criteria
當交-交變頻器的輸入頻率非常高，通常為20khz時，為了在零電壓條件下實現逆變器開關管的通斷，變換器的開關時刻必須選擇在高頻交流電壓脈沖為零時，這意味著變換器開關時刻在時間軸上成為不連續的點，而常規的硬開關pwm變換器是將開關時刻選擇在任意時刻。 -
The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance
通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。 -
With the development of the converter drive technology, the requirement for the variable frequency drive are becoming more and more strict especially for the modern converter drive employing fast switching semiconductor igbt ， though it has high pulse frequency and refreshing time of only nanoseconds, it generates emf that has adverse effect on the environment
隨著頻率控制傳動技術的發展，對頻率變速傳動系統的要求越來越高，尤其是對採用快速切換的igbt半導體現代變頻技術，盡管脈沖頻率高或更斷時間僅毫微秒內，但它們會對周圍環境產生電磁場。 -
This system consists of a full bridge pwm ( pulse width modulation ) regenerative rectifier or so - called vsc ( voltage source converter ) that connected to pcc ( point of common connection ) at the power utility grid through a passive interface circuitry
這種系統包括一個pwm全橋可逆整流器或者所謂的電壓源變換器，通過無源電路介面與電網的pcc點（公共連接點）相連。 -
The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models
本文以葛上直流輸電工程為基礎，研究直流濾波器設計中的相關問題，採用考慮了雜散電容的三脈動模型來建立換流站模型，更為準確地模擬出直流輸電線路上的諧波分佈情況，尤其是模擬出舊模型中忽略的次（為自然數）諧波，為直流濾波器的設計提供了更精確的數據和判斷依據。 -
The simulation shows that both pulse - swallowing counter and d / a converter ' s working frequency reach 330mhz
模擬結果顯示，吞脈沖計數器及d a轉換器等器件的工作頻率均達到了330mhz 。 -
The techniques with two different methods are classified as : the mode of pulse width modulated, and the difference of control signal. the advantages and disadvantages of each method is analyzed and compared, and where each method is more adapted to is pointed out. a type of switching power supply management ic based on current mode control method is designed which is a pwm boost converter
本文全面分析、描述了dc - dc開關電源變換器的控制方法，並依據脈寬調制的方法何採用控制信號的選取對控制方法進行了分類，詳細闡述了各種控制方法的基本原理，分析比較了他們各自的優缺點，指出了每種控制方法所使用的場合。 -
Chapter 4 focuses on the theory of voltage space vector pulse width modulation ( svpwm ) and its control strategy. a fast space vector modulation algorithm for 3 - level 3 - phase converter is also described in this chapter
首先，分析介紹了空間矢量控制在三相三電平逆變器控制中的應用，採用了一種簡單的空間矢量演算法，簡化了實時計算。 -
The three - phase high - frequency ac pulse density modulation ( pdm ) converter, which is proposed in this paper, can efficiently synthesize low - distortion variable frequency variable amplitude low frequency voltage signals from the fixed - frequency voltage of the high frequency link
本文闡述的高頻交流脈沖密度調制（ pdm ）的控制策略能夠較容易地將高頻交流信號低失真地合成幅值和頻率變換的低頻信號。 -
Buck zvs - mr - tl converter is taken as the examples to illustrate the operation of the zvs - mr - tl converters. the operation of buck zvs - mr - tl converter is analyzed as well as parameter design, realization of pulse - frequency - modulation ( pfm ) interleaved control and comparison between zvs - mr converters and zvs - mr - tl converters. a 1000w prototype converter is built in the lab to verify the effectiveness of the proposed converter
本文以buck零電壓開關多諧振三電平變換器為例，詳細分析了它的工作原理、參數設計、脈頻調制交錯控制的實現、與常規的多諧振變換器的對比，並以一個1000w的原理樣機對該變換器進行實驗驗證。 -
The dc / dc converter provides pulse voltage, which returns to zero periodically, for the devices in the inverter to realize zvs. but the devices still have some on - loss under two kinds of state commutation. therefore, it is better to use the devices with smaller junction capacitor
通過對逆變橋工作模式的分析，發現在兩種模式轉換的過程中功率管開通時存在一定的損耗，據此認為逆變橋功率管應採用輸出電容小的器件。 -
Cmos image sensor consists of image array logic registers, memory, timer pulse generator and converter
Cmos圖像傳感器包括圖像陣列邏輯寄存器、存儲器、定時脈沖發生器和轉換器在內的全部系統。 -
The input of traditional ac - dc converter is diode - capacitance combined circuit. it ? input current wave presents pulse shape, and the power factor ( pf ) on ac line side is low
傳統的ac ? dc開關變換器輸入端是二極體整流-濾波電容組合電路，其輸入電流波形呈脈沖狀，交流網側功率因數很低。 -
Sine pulse width modulation matrix converter based on digital signal processor
基於數字信號處理器的正弦脈寬調制矩陣變換器 -
Among them, phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields. but it has some limitations such as smaller load range with zvs and larger circulation energy. the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy, to enlarge load range with zvs and improve output efficiency under light load
其中，移相控制零電壓開關脈寬調制dc / dc全橋變換器在大容量領域很有競爭力，但它具有實現零電壓開關負載范圍小，循環能量大等限制，帶飽和電感的移相控制零電壓開關全橋變換器利用飽和電感的臨界飽和電流特性及儲能，來擴大零電壓開關（ zvs ）的負載范圍，提高輕載時的輸出效率，具有非常重要的研究價值。 -
In theory analysis, the voltage waveforms of the 12 - pulse waveform controlled rectifier circuit and three - phase thyristor converter under fault and normal condition are analyzed and researched in detail, all the faults states are summarized and classified according to the aberrant voltage waveforms
在理論分析方面，本文對三相橋式整流電路、 12脈波可控整流電路等大功率電力電子裝置整流電路在正常運行及故障狀態下的整流電壓波形進行了詳細分析和研究，按照電壓波形對故障狀態進行了總結和歸類。 -
This converter is thermally protected and current limited, protecting the load and regulator during fault conditions. in the circuit design chapter, the basic charge pump operation principle and equivalent circuit model are given first. then two control modes, pulse skip mode and linear mode, are analyzed
在電路設計中，首先分析了跨周期調制的電荷泵dc / dc轉換電路的基本原理，然後推導出電荷泵等效模型，以此為理論依據分析了電荷泵的兩種控制模式:線性調制模式和跳周期調制模式。 -
Voltage - pulse converter
電壓脈沖轉換器
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