介绍了一种新颖的正激推挽变换器。
A novel push pull forward converter is proposed and its principle is analyzed.
实验表明，所提出的变换器克服了传统推挽变换器一些固有的缺点，扩大了其应用范围。
Experiment results indicate that the intrinsic drawbacks of the traditional push-pull converter are overcome, and the application area of the new converter is widened.
传统的推挽变换器存在着一些固有的缺点，诸如开关管的电压应力高、难以实现软开关等，限制了它的应用范围。
There are some intrinsic drawbacks in traditional push-pull converter, such as higher voltage stress and hard-switching of the switches, so the application area of the converter is limited.
采用基于UC 3846电流型控制芯片，简化了电流保护电路，避免了推挽变换器工作时磁芯偏磁导致的事故发生。
UC3846 of current mode control is used so that circuit for current limited function is removed and flux imbalance that can cause accident is been avoided.
这两种方式均可以解决传统推挽直流变换器存在的偏磁问题。
These methods all can be used to solve the magnetic aberration hi the conventional push-pull converter.
本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器，其中开关管的电压应力为输入电压。
This paper presents a novel zero voltage and zero current switching (ZCS) PWM push pull three level converter in which the voltage stress of switches is input voltage.
该静止变流器前级采用推挽正激式变换器，后级采用双降压式逆变器。
The first stage is push pull forward converter, and the second stage is a dual buck inverter(DBI).
最后，本文还提出了另外几种零电压零电流开关PWM推挽三电平直流变换器。
Several zero voltage and zero current switching PWM push pull three level converters are proposed.
文中分析了推挽全桥双向DC/DC变换器的两种工作模式，并进行了仿真分析，理论上验证了其实现能量双向流动的可行性。
This paper analyzes the two operation modes of the push-pull full-bridge bi-directional DC /DC converter and conduct a simulation analysis. In theory, the two-way flow of energy is possible.
通过采用推挽变压器和两个附加的二极管，该变换器可以实现零电压开关，并且有较高的可靠性。
By using two additional diodes and a push-pull transformer, this converter achieves not only ZVS of all active switches but also high reliability.
通过采用推挽变压器和两个附加的二极管，该变换器可以实现零电压开关，并且有较高的可靠性。
By using two additional diodes and a push-pull transformer, this converter achieves not only ZVS of all active switches but also high reliability.
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