Based on the equations, the condition of ZVS is analyzed, and the engineering design method of highest working frequency is discussed, which is based on dissipation of turning off and duty cycle lose.

基于这些方程，研究了实现软开关的条件，并从关断损耗和占空比丢失的角度探讨了吸收电容与电路最高工作频率的关系，给出了工程设计公式。

youdao

This paper focuses on the unsteady characteristic of cascade separation flow under off-design condition.

本文针对非设计工况下叶栅的分离流动进行研究。

youdao

Many off-design condition phenomena of a turbojet engine are related with the variation of incidence angles at front and rear compressor stages.

涡轮喷气发动机非设计状态下的许多现象都与共同工作时压气机前后各级攻角的变化有关。

youdao