dc-ac-dc converter 中文意思是什麼

dc-ac-dc converter 解釋
直交直電路
  • dc : ＝1 direct current 直流電：a DC generator 直流發電機。2 District of Columbia 哥倫比亞特區〈美國首...
  • ac : ＝1 air controlman 美海軍航空兵的空中交通管制員。2 alternating current 【電學】交變電流，交流電。...
  • converter : n. 1. 使轉變[改變信仰]的人。2. 改裝者，改裝品。3. 【冶金】煉鋼爐，吹風轉爐；【電，無】換流器，變壓器；變頻器；【自動化】變換器；密碼翻譯[編制]機。
  1. Sliding - mode current control of three - phase ac dc converter

    變換器的滑模電流控制
  2. From the viewpoint of electrical damping, this dissertation focus on the damping analysis of subsynchronous oscillation for different systems, such as hvdc system, hybrid ac / dc system and multiple - converter hvdc system

    目前，直流輸電技術已經在我國得到了廣泛的應用，並且在今後的幾十年中，直流輸電在我國還將有更為廣闊的應用前景。
  3. With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced

    近年來，隨著電力電子技術與器件的迅速發展，使用dc dc高頻變換技術代替工頻升壓，系統具有較高的功率密度與轉換效率，裝置體積、重量與交流噪聲大大減小。
  4. The thesis includes two parties : research on 2kw multi - function ac excitation power and study on high voltage high power ( hh ) dc / dc full - bridge converter

    論文包括兩個部分： 2kw多功能交流勵磁電源研製和高壓大功率dc dc全橋變換器研究。
  5. Medium plate plant of chongqing iron & steel has reconstructed technically the original two stand rolling mills ( roughing mill and finishing mill ) and changed dc drive system into ac frequency converter drive system

    重慶鋼鐵集團公司中板廠對兩臺主軋機（粗軋機和精軋機）驅動系統進行了技術改造，將原來的直流驅動系統全部改造成變頻調速驅動系統。
  6. Ac - dc converter

    交直流?換器
  7. This paper makes a detailed analysis as to the fundamental circuits and fundamental principles of boost dc - dc converter, spwm inverter and ac voltage adjustment circuit in the power supply. at the same time, the paper introduces the choice of the parameters and the design of control

    本文分別對逆變電源中的boost升壓斬波電路、 spwm逆變電路以及斬控式交流調壓電路從基本拓撲結構和工作原理上進行了詳盡闡述，同時介紹了各功能模塊的參數選取和控制設計。
  8. This paper mainly describes the small signal model and properties of the dc / dc converter, the optimum control model of the dc / ac inverter and analyses the stability and dynamic characteristics of the system. the experimental results show that the static inverter achieves high performance target

    本文主要對6kva電源變換器系統進行了分析，包括前級dc dc變換器的小信號特性，后級dc ac逆變器的最優控制模型，分析了系統的穩定性和動態性能，模擬和實驗表明該電源變換器具有高的性能指標。
  9. Research on a novel control method of a hf link dc ac converter

    勵磁控制下抽水蓄能電機靜止變頻器起動研究
  10. The principle of ac - dc - ac locomotive is that transformer transforms the high single - phase ac voltage from contact system to lower ac voltage first, then rectifier transforms this ac voltage to steady dc voltage, finally converter transforms this dc voltage to three - phase vfvv ac voltage as the voltage source for asynchronous machine

    交?直?交型電力機車系統的原理是：先將從接觸網獲得的單相交流高電壓經變壓器降壓后，再經整流器變換為平穩的直流電壓，直流電壓經逆變器變換為三相交流電壓，供給機車輪對上的牽引電機。
  11. The principle of operation, the selection of snubber circuit, the design of the coupling inductor and the relationship between the dc / dc and dc / ac converters are illustrated and verified on a 1kw experimental circuit. a two - stage dc / dc converter consists of a boost and ppfc is presented in this paper through further research

    文章詳細分析了電路工作過程，給出了緩沖電路的選取原則及耦合電感的設計，討論了該ppfc與后級dc / ac逆變器連接工作時的相互影響，並通過模擬分析和一臺1000w實驗樣機進行了原理驗證。
  12. 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。
  13. According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation, the transformation relations of the matrix converter are deeply investigated. the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced, the four - step current commutation strategy of matrix converter is expatiated, the design method of input filter and over voltage protection circuit is analyzed, and the modeling and simulation of a three - phase matrix converter are implemented

    從等效交-直-交變換的空間矢量調制方法出發，深入分析了矩陣式變頻器的變換關系，導出了交-交直接變換控制規律和雙空間矢量脈寬調制技術，闡述了矩陣式變頻器的換流控制策略，分析了輸入濾波器和過電壓保護電路的設計方法，實現了矩陣式變頻器的建模和運行分析。
  14. Besides these, it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion, the conversion relations of the matrix converter were deeply investigated. the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling, sin ~ iu1ation and experiment of a three - phase matrix converter were implemented

    本文從等效交一直一交變換的空間矢量調制方法出發，深入分析了矩陣式變換器的變換關系，推導出了交一交直接變換控制規律和雙空間矢量pwm調制技術，實現了交一交直接變換控制方式下矩陣式變換器的建模和運行分析，並進行了計算機模擬和實驗研究。
  15. Comparing with the ac - dc - ac converter, the commutation process of a matrix converter ( mc ) is more complicated due to having no natural free - wheeling paths

    摘要由於矩陣變換器（ mc ）電路沒有續流路徑，它的換流過程比交直交變換器更為復雜。
  16. These harmonic current will inflow in the ac power system through the converter transformers and effect the normal operation of ac / dc system without any limitation

    這些諧波電流通過換流變壓器網側注入交流系統，如果不加以控制，會影響交、直流系統的正常運行。
  17. On the bases of detailing the control theory and circuit of dc - ac converter, this paper introduces the fuzzy logic theory into the control of the digital pwm converter. in order to realize the control strategy, intel high performance micro controller 80c196kc, the kernel of the intelligent controller are purposed

    本文在討論逆變器控制理論和控制電路的基礎上，將模糊控制理論引入到數字式pwm型逆變器的控制中，設計了以80c196kc為核心的智能控制器，用新型的基於eprom存儲的pwm電路給予實現的硬體電路。
  18. Uninterruptible power system ( ups ) has power storage parts, an ac / dc converter and a dc / ac inverter as major components

    Ups （ uninterruptiblepowersystem ） ，即不間斷電源，是一種含有儲能裝置，以逆變器為主要組成部分的恆壓、恆頻的不間斷電源。
  19. Integrated ac / dc converter with power factor correction, uninterruptible power supply, and dc output voltage ' s regulation is proposed and studied based on ac / dc converter with uninterruptible power supply

    本文在論述了不間斷供電ac dc變換器的基礎上，提出並深入研究了一類集功率因數校正、不間斷供電、輸出直流電壓調節與穩定於一體的ac dc變換器。
  20. The prototype for single - stage ac / dc converter with uninterruptible power supply and high power factor is designed and manufactured. the test results are given and corresponding to the theoretical analysis

    設計並研製了單級不間斷高功率因數ac dc變換器原理試驗裝置，給出了它的試驗結果，試驗結果和理論分析一致。
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