parasitic oscillations meaning in English
寄生振荡
Examples
- A lcc multi - resonant ( mr ) network is added to the traditional three - level converters to realize zvs . the unique arrangement of a multi - resonant network results in absorption of all major parasitic components hi the resonant circuit , such as transistor output capacitance , diode junction capacitance and transformer leakage inductance , which can eliminate parasitic oscillation in the converter
它的优点在于谐振电容吸收了开关管和续流二极管的结电容，谐振电感吸收了变压器的漏感，使得开关管和续流二极管都能在软开关的条件下完成导通和关断过程，消除了电路中的寄生振荡。 - Firstly , the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed . there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers
本文首先分析了基本的全桥移相zvsdc dc变换器的工作原理，为解决滞后桥臂不易实现零电压开关( zvs )的情况，讨论了另外三种全桥移相zvsdc dc变换器的电路拓扑，重点分析并解决了四个方面的问题：如何扩大zvs的负载范围；减小变压器原边环流，降低变换器系统通态损耗；减少变压器次边有效占空比丢失；消除输出整流二极管的寄生振荡。