例句與用法

1. By removing the two freewheeling diodes of the basic zvs pwm h - fb tl converter , a capacitor - clamped zvs pwm h - fb tl converter is obtained in this paper , and a new control strategy is proposed for the novel converter . the novel
   本文還提出了一種電容箝位型zvspwmh - fbtl變換器,它是在基本zvspwmh - fbtl變換器中去掉兩只續(xù)流二極管得到的。
2. Power fast recovery diode , which is abbreviated to frd , is one of the key devices in modern power electronic technology . in the power electronic circuits , frd is usually parallel connected with three - end power devices as their freewheeling diode
   高壓功率快恢復(fù)二極管(以下簡稱frd )廣泛地應(yīng)用于電力電子電路中,作為續(xù)流二極管與三端功率器件并聯(lián)使用,是現(xiàn)代電力電子技術(shù)中的關(guān)鍵器件。
3. All the power devices including main switches and auxiliary switches are in soft - switching condition ( zvs or zcs ) , while the freewheeling diodes are turned off in zero current condition . besides , the control of resonance between inductance and capacitor can be easily realized without needing of setting the threshold values of the inductance current
   該電路中主開關(guān)和輔助開關(guān)均滿足zvs或zcs條件，續(xù)流二極管也工作在軟關(guān)斷方式，并且電感和電容之間的諧振控制不需要設(shè)定電感電流閾值，控制邏輯簡單，可實(shí)現(xiàn)四象限運(yùn)行。
4. Three parallel - parallel type cttfcs is studied and compared in this paper . the performance of the cttfc with coupled inductor is similar to that with sharing freewheeling diode while coupling coefficient is one , and similar to that with sharing output capcitor while coupling coefficient is less than one and the converter working ccm
   揭示了耦合電感并?并型雙管正激組合變換器與其余兩種并?并型組合變換器的關(guān)系：耦合系數(shù)為1時(shí)，具有與共用續(xù)流管組合變換器相類似的特性；耦合系數(shù)小于1且耦合線圈電流連續(xù)時(shí)，具有與共用輸出濾波容組合變換器相一致的特性。