dc capacitor 中文意思是什麼

dc capacitor 解釋
有極性電容器
  • 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...
  • capacitor : n. 【電學】電容器 （＝condenser）。 a capacitor microphone 電容傳聲器[話筒，微音器]。
  1. 3000 hours. lower voltage high capacitance cdf farad - grade aluminum electrolytic capacitor. well suited for use in super car audio systems, industrid robots, telecommunication equipmemt of dc or pulse circuits

    3000小時，低電壓高電容量法拉級cdf ，廣泛用於精密汽車聲頻系統、工業機器人，電信設備的直流電或脈動電路中。
  2. The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current

    傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換，導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量，功率因數變低（通常只有0 . 65 ） 。
  3. Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure

    通過理論計算和模擬分析，比較了並聯型apf的幾種控制策略的優點和缺點，從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法，並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制；比較了並聯型apf主電路的兩種常見形式，從中選擇了三相電壓型變流器的主電路形式；算出適合該apf的直流側電容和出線電感的參數；設計出能有效消除apf產生的高次諧波的高通濾波器。
  4. Some important parts for these two vsc - hvdc control systems are designed in detail, especially the structures and parameters of the vsc controllers, as well as the principles for selecting the equivalent inductance of the convertor transformer and the capacitance of the capacitor on the dc side of the vsc. digital simulation using netomac is done to verify the validity of those proposed control strategies. ( 2 ) the operation performance of the vsc - hvdc under some characteristic faulted conditions without any protection measures are studied, and the over - current and over - voltage of the vsc - hvdc during those faults is revealed

    （ 2 ）對vsc - hvdc在沒有保護控制的情況下其交流側、直流側和vsc內部等部位發生常見較嚴重故障時的運行特性進行了模擬研究，總結出這些較嚴重故障可能對vsc - hvdc造成的危害，並針對這些危害提出了幾種切實有效的保護策略，模擬結果證實了應用這些保護策略可確保vsc - hvdc中的一些重要部件能夠在大多數類型的故障時免遭過電壓或過電流的損害。
  5. 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。
  6. Abstract : the initial charge - process of dc capacitor and the steady working state of active voltage - source - inverter power filters are analyzed in this paper, and four new parameters are proposed to judge the working performance of active power filters and to aid their design

    文摘:分析了電壓逆變器型單相有源電力濾波器直流側儲能電容器的初始充電過程（有源電力濾波器的起動過程）和有源電力濾波器的穩定工作狀態，並提出了判定有源電力濾波器性能、幫助有源電力濾波器設計的四個標識性參數。
  7. Cbb22 - i metallized polypropylene capacitor is used in electronic equipments, such as acoustic apparatuses which are high standard in capacitance stability 、 loss 、 insulation resistance in ac & dc

    適用於電子設備中的容量穩定性、損耗、絕緣電阻要求高的交直流電路中。
  8. Cbb22 - ii metallized polypropylene capacitor is used in electronic equipments, such as acoustic apparatuses which are high standard in capacitance stability 、 loss 、 insulation resistance in ac & dc

    Ii適用於電子設備中的容量穩定性、損耗、絕緣電阻要求高的交直流電路中。
  9. Cbb20 metallized polypropylene capacitor is used in electronic equipments, such as acoustic apparatuses which are high standard in capacitance stability 、 loss 、 insulation resistance in ac & dc

    Cbb20適用於電子設備尤其是音響設備中的容量穩定性、損耗、絕緣電阻要求高的交直流電路中。
  10. Results of analysis indicate the self - charge ability of active vsi power filters without additional equipment under start - up process and their ability of maintaining the average voltage on dc capacitor in steady state

    分析結果表明，無需附加任何充電環節或裝置，電壓逆變器型有源電力濾波器就能自動完成對儲能電容器的初始充電過程，然後自動過渡到穩定工作狀態，並在穩態中維持儲能電容器上的電壓平均值不變。
  11. Calculation and simulation of the filter capacitor at the dc side of the vsr

    直流側濾波電容的計算及實驗分析
  12. The mathematical and circuit analyses of the converter show that the output current of the dc - dc converter tends to be saturated with the gradually increasing product of the operation frequency and the capacitor capacitance in the case of a determinate effective loop resistance

    分別用matlab和pspice從理論和電路兩個方面進行的模擬研究都表明：在等效同路電阻一定的情況下， dc - dc變換器的輸出電流隨工作頻率和電容容量乘積的增大而趨于飽和。
  13. At the same time, charge pump circuits are also used in the low - supply - voltage switched - capacitor systems that require high voltage to drive the analog switches and dc - to - dc converters and so forth

    同時，電荷泵還可以應用在需要高壓來驅動模擬開關低電源電壓的開關電容系統和dc - to - dc轉換器等電路中。
  14. Matrix converter is an " all silicon " power converter with an advanced circuit topology. it permits frequency conversion in a single - stage processing without the need of large reactive energy storage components, such as dc capacitor

    =矩陣式變換器是一種先進拓撲結構的「全硅」功率變換器，它允許頻率單級變換，無需大容量的貯能元件。
  15. In the end, this chapter also described and analyzed the features of switched - capacitor dc - dc converter

    此外還對可實現集成化的開關電容升壓電路的原理和穩態特性進行了分析。
  16. The simulation results show that with the method, the capacitor voltages in the dc side are balanced effectively and the switch frequency reaches requirement

    模擬結果表明：在合理選擇電壓平衡系數的情況下，該方法不僅能夠有效地平衡直流側兩電容上的電壓，也能夠使開關頻率滿足要求。
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