单级式 meaning in Chinese

single stage type

The single - stage isolated inverters can fulfill all the functions of two - stage inverters in one stage , including dc / ac inverter , voltage adjustment and electrical isolation . thus , the circuit structure and the control schemes can be simplified , with resultant high reliability and reduced cost
单级式隔离逆变技术只需一级功率变换就可完成传统两级逆变电路的全部功能包括dc / ac逆变、电压调整及电气隔离。
The control strategy and the way of filter design are discussed . this two - stage converter keeps the advantages of the single - stage ppfc scheme and improves its several disadvantages . the simulation and experimental results verify the superiority of the two - stage converter scheme and prove out that it is suitable for the fuel cell power generation system
该两级式变换器保留了上述单级式ppfc方案的基本优点,同时改善了其存在的几点不足之处,具有相当的优越性,适用于本文所研究的燃料电池发电系统,文章最后通过仿真和实验进行了原理验证。