dc inverter 中文意思是什麼

dc inverter 解釋
直流換流器
  • 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...
  • inverter : n. 【電學】1. 換流器；倒相器，倒換器。2. 變換電路。3. 反相旋轉換流器。
  1. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。
  2. Zero - crossing control of resonant dc link inverter

    一種新穎的模糊控制演算法研究
  3. Development of 3 kva dc ac soft - switching inverter

    交軟開關逆變器研製
  4. The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory

    以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。
  5. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。
  6. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。
  7. This paper select the series - resonant inverter because it is more suited to high frequency power supply and it will be easy to enhance power capacity and enable the power supply to work on higher frequency if power is regulated in the rectifier. so uncontrolled rectifier and buck chopper constitute dc circuit is selected as rectifier circuit

    並分析了感應加熱電源的各種調功方式，在對比幾種功率調節方式的基礎上，得出在整流側調功有利於高頻感應加熱電源頻率和功率的提高，選擇了不控整流加斬波器調壓作為研究對象。
  8. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字變換器平臺中，採用全數字波形校正技術，完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變，充分保障了變換器控制的準確性；採用數字直流分量調節技術，可以精確地對控制信號進行補償，在充分保證輸出性能的前提下，實現了輸出直流分量的調節。
  9. This digital inverter amplifier ' s dc power is supplied by an ac / dc with pfc circuit controlled by 3854

    前級直流電壓由3854晶元控制pfc后的ac dc提供。
  10. Maintenance on line to rail with high frequency inverter dc welding machine

    高頻逆變焊機用於鋼軌及轍叉線上焊補與維護
  11. Influence of dc - rail zero - voltage notch on the output of the inverter is investigated, and an important conclusion is obtained that the direction of output current of the inverter is not effected by the voltage deviation produced by dc - rail zero - voltage notch, on the basis of which, a new simple correction approach is put forward. experiment results show that the proposed correction method is effective

    探索了直流母線零電壓凹槽對逆變器輸出特性的影響，得出了母線零電壓凹槽形成的輸出電壓偏差與逆變器輸出電流方向無關這一重要結論，在此基礎上，提出了一種簡便的校正新方法，通過試驗驗證了該校正方法的有效性。
  12. On the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk. based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel

    研究表明，系統整流站附近的同步發電機組要承受電氣負阻尼作用，因此有可能引起機組低頻扭轉振蕩模式失穩；而hvdc的逆變站向其臨近同步發電機組提供正阻尼，因而機組不存在次同步振蕩危險。
  13. A prototype for 3000va 27vdc / 115v400hzac three - phase aviation static inverter with high frequency pulse dc link is designed and successfully developed

    設計、研製成功了3kva27vdc 115v400hzac三相高頻脈沖直流環節航空靜止變流器。
  14. The operation principle of the aviation static inverter with high frequency pulse dc link is discussed, and the design criterions of the key circuit parameters are gained

    本文論述了高頻脈沖直流環節航空靜止變流器的工作原理，獲得了關鍵電路參數設計準則。
  15. The three - phase aviation static inverter with high frequency pulse dc link is made of three independent aviation static inverters and has the advantages such as strong function with unbalanced load and easy realization for module

    三相高頻脈沖直流環節航空靜止變流器由三個獨立的航空靜止變流器構成，具有帶不平衡負載能力強、易於實現模塊化等優點。
  16. The high frequency inverter power can invert 75 - 130 volt vibrating dc voltage which come from battery charge into 110 volt, 20khz ac voltage. the control of high frequency inverter power consists of two parts : chopper control and inverter control

    給出了直流斬波電路及全橋逆變電路的工作原理，此高頻逆變電源可將75 130v的蓄電池直流電壓逆變為110v ， 20khz的交流電壓。
  17. Development of 3 kw dc dc inverter with high - frequency soft - switch

    高頻軟開關直直變換器的研製
  18. While being the trend and the symbol of high technology of the rac, the ac inverter and the dc inverter rac are seldom sold in china because the know how of these products can not be imported directly or can be imported very expensively

    但代表家用空調高新技術和發展方向的交流變頻空調器和直流變頻空調器在我國市場銷售份額中僅占極小比例，其主要原因為關鍵技術（變頻控制器及直流變頻壓縮機）無法從國外引進或引進價格過高。
  19. Dc inverter split room air - conditioner ms1389bvy ma1389bvy was honored with innovative technique award

    直流變頻分離式室內空調機ms1389bvy ma1389bvy榮獲創新技術獎
  20. Dc inverter split room split air - conditioner ms1389bvy ma1389bvy was honored with good function award

    直流變頻分離式室內空調機ms1389bvy ma1389bvy榮獲功能獎
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