輸入電容 的英文怎麼說
中文拼音 [shūrùdiànróng]
輸入電容
英文
i ut capacitance- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 入 : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
- 電容 : electric capacity; capacitance; capacity
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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 ) 。A topological study of representative single - stage pfc converters are presented. in sigle - stage pfc approach, there are two important issues of concern. one issue is how to implement the input current shaper ( ics ). another one is how to control the energy - storage capacitor voltage below 450v
本文對現有的單級pfc變換器拓撲進行了詳細的分析,指出在單級pfc變換器中,必須解決兩個問題:如何實現輸入電流整形和控制電容電壓在450v以下。Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer
由於箝位電容的加入,相對于推挽電路而言,該拓撲具備了一些獨特的優點:減小了輸入電流的脈動:削弱了開關管的關斷電壓尖峰;有效抑制了變壓器的偏磁。To reduce voltage stress of power switches, a series - parallel type cttfc is studied in this paper. voltage - sharing of input capacitors can be realized naturally in discontinuous conduction mode, andvoltage - sharing of input capacitors can also be realized naturally in continuous conduction mode. the voltage stress of power switches is only half of the input voltage, so power mosfet can be used in high input voltage applications
揭示了串?並型雙管組合變換器電流斷續工作方式時輸入電容電壓自然均壓的機理;對于電流連續工作方式,也能實現輸入電容自然均壓。輸出續流管串聯方式的串?串型雙管正激組合變換器,其輸入電容自然均壓特性與串?並型雙管正激組合變換器一致。Dc input voltage ; output voltage ; frequency ; load capacity
直流輸入電壓,交流輸出電壓,頻率,負載容量Note : a maximum is specified that is the most - positive value of low - level input voltage for which operation of the logic element within specification limits is to be expected
注:在限定的工作條件下,所規定的最大輸入電壓是極不容易保證邏輯單元所期望的低電平輸入電壓的最大正電壓值。Note : a minimum is specified that is the least positive value of high - level input voltage for which operation of the logic element within specification limits is to be expected
注:在限定的工作條件下,規定的最小輸入電壓是極不容易保證邏輯單元所期望的高電平輸入電壓的最小正電壓值。The circuit utilizes 1mhz current - mode pulse width modulation ( pwm ) control to allow small input and output capacitors and a small inductor, while reducing the circuit ’ s volume and minimizing the input supply ripple to 15mv
該電路採用頻率為1mhz的電流反饋模式脈沖寬度調制模式,可使外部電路選用小的輸入、輸出電容以及小電感,減小了電路的體積,同時能將輸入電壓紋波減小到15mv 。In order to obtain ideal efficiency, the rf mosfet sd2918 [ 4 ] is used. also, the dead - time is inserted between the drive signals of mosfets, which is effective for reducing the shot - through loss and drain - source capacitor cds loss
為了獲得理想的放大效率,採用射頻場效應管sd2918 [ 4 ] ;同時,在兩驅動信號之間引入dead - time ,減小mosfet的串通損耗以及mosfet的漏源輸出電容cds損耗。The ml converter splits voltage constraints among series - connected switches through the flying capacitors, so keeping the flying capacitor voltages at proper value is very important
該變換器利用飛跨電容使得輸入電壓在串聯的各開關管之間均分,以降低開關管的電壓應力,因此飛跨電容電壓保持在適當值是保證變換器正常工作且具有良好性能的關鍵。The exact design methods of switched - current filters are summarized, such as the director synthesis of z - plane, euler mapping, state variable analysis, matrix decomposition, and signal - flow - graph simulation of the lc and switched capacitor prototypes. at the same time, a modified left decomposition matrix method is proposed to overcome the usual problems of large silicon area, high sensitivity and component spreads by minimizing the input circuits. examples of switched - current low - pass, high - pass and band - pass filters are given to verify the feasibility of these methods
總結分析了實現高精度開關電流濾波器設計的各種實用方法,包括z域綜合法、歐拉映射法、模擬無源lc網路和開關電容網路的狀態變量法、矩陣分解法和信號流圖轉置法,並對左分解法加以整理改進,提出一種更為簡潔的設計結構,通過減化輸入電路克服一般電路中存在的佔用矽片面積大、靈敏度高等問題。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。Charge pump operation principle and a 50ma switched - capacitor automatic step - up / step - down charge pump converter with wide input supply voltage and multi output versions, which uses 0. 5 m standard cmos technology, are presented in this paper
在對電荷泵原理研究的基礎上,論文採用0 . 5 m標準cmos工藝設計了一種具有寬輸入電壓范圍和多輸出規格的50ma自動升/降壓開關電容電荷泵dc / dc轉換器。Condenser input circuit
電容輸入電路Grid input capacitance
柵極輸入電容The system now in place in hong kong allows this to be done on a risk - stratified basis that takes into account the precise patient demographics for each cardiac surgical unit, based on age, severity of illness and other precise measures for each individual patient operated on
外科審核數據庫容許香港外科醫生將手術病人的詳細資料包括年、嚴重罹患疾病及其它精細的檢查等輸入電腦,再進行精確的風險評估。Chaotic switching signal obtained from chua ' s circuit was used to control buck dc / dc converter. by compared the power spectrum of input current between chaotic modulations and classical pwm, it demonstrate that chaotic switching modulations have good effect on spreading power spectrum, which can be used to reduce the level of emi and to improve emc of smps
通過對四種混沌調制模式下變換器輸入電流與周期pwm模式下輸入電流頻譜的分析比較表明,混沌調制技術在擴展頻譜方面有良好的效果,可以用於降低開關模式電源的電磁干擾( emi )水平,改善電磁兼容性( emc ) 。The second reason is the nonlinear rectifier with a bulky capacitor in the input stage of the smps, which leads to a narrow pulse and rich harmonics
原因之二是開關電源的輸入端採用二極體整流,後接較大的濾波電容,導致輸入電流為一很窄的脈沖波,含有豐富的諧波分量。This converter operates as a bidirectional converter and transfers energy between its two sides by charging the midpoint capacitors to a known constant dc voltage level
多電平矩陣變換器的能量傳遞,是通過三相輸入電壓對中點電容充電到一個恆定直流電壓而實現的。If completing this form electronically, type in the shaded areas ( ) and the area will increase with typed information. for selecting the boxes ( ) please click in the shaded area
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